Voyager Therapeutics (VYGR)
Voyager Therapeutics on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders, earnings dates and insider trades. Listed on Nasdaq, classified by the SEC as biological products, (no diagnostic substances).
3.6M
Short interest
settlement 2026-10-15
4.0
Days to cover
-2.4 days vs prior
55.4%
Short share of volume
2026-11-02
175
Fails to deliver
settlement 2026-10-14
Mon 9 Nov
Next earnings
estimated date
$0
Insider flow, 90 days
0 buys, 0 sells
As of 2026-11-02.
Short interest
FINRA, twice a month. The newest 48 settlements in the table, 48 in the chart. JSONAs of 15 October 2026, short interest in VYGR is 3,638,416 shares, down 17,386 shares over the last month. Over the last 48 readings it ranged from 2,442,626 shares (15 November 2024) to 4,443,195 shares (30 June 2025). At the reported average volume of 907K shares a day that is 4.0 days to cover.
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| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-10-15 | 3,638,416 | -8.4% | 906,539 | 4.01 |
| 2026-09-30 | 3,973,207 | +8.7% | 618,059 | 6.43 |
| 2026-09-15 | 3,655,802 | -3.4% | 424,491 | 8.61 |
| 2026-08-31 | 3,785,882 | -4.0% | 426,555 | 8.88 |
| 2026-08-14 | 3,945,546 | +8.3% | 447,812 | 8.81 |
| 2026-07-31 | 3,643,765 | -5.0% | 623,344 | 5.85 |
| 2026-07-15 | 3,837,218 | +7.3% | 838,985 | 4.57 |
| 2026-06-30 | 3,574,789 | -2.0% | 698,113 | 5.12 |
| 2026-06-15 | 3,647,445 | -2.6% | 502,890 | 7.25 |
| 2026-05-29 | 3,744,360 | +7.9% | 614,841 | 6.09 |
| 2026-05-15 | 3,471,109 | -5.2% | 540,870 | 6.42 |
| 2026-04-30 | 3,663,210 | +2.6% | 423,986 | 8.64 |
| 2026-04-15 | 3,569,134 | +8.6% | 634,646 | 5.62 |
| 2026-03-31 | 3,285,717 | +3.4% | 662,104 | 4.96 |
| 2026-03-13 | 3,176,363 | -0.4% | 1,222,052 | 2.60 |
| 2026-02-27 | 3,188,689 | -4.8% | 452,465 | 7.05 |
| 2026-02-13 | 3,350,524 | -1.8% | 555,508 | 6.03 |
| 2026-01-30 | 3,412,764 | -1.0% | 698,447 | 4.89 |
| 2026-01-15 | 3,445,830 | +0.1% | 623,978 | 5.52 |
| 2025-12-31 | 3,442,627 | +1.3% | 405,718 | 8.49 |
| 2025-12-15 | 3,399,216 | +2.2% | 461,753 | 7.36 |
| 2025-11-28 | 3,325,307 | +5.9% | 472,479 | 7.04 |
| 2025-11-14 | 3,140,206 | +1.3% | 463,399 | 6.78 |
| 2025-10-31 | 3,100,811 | -3.6% | 561,827 | 5.52 |
| 2025-10-15 | 3,217,904 | +9.8% | 874,064 | 3.68 |
| 2025-09-30 | 2,932,008 | -6.6% | 795,556 | 3.69 |
| 2025-09-15 | 3,140,559 | +6.7% | 850,214 | 3.69 |
| 2025-08-29 | 2,944,562 | -0.9% | 460,694 | 6.39 |
| 2025-08-15 | 2,972,876 | -7.5% | 984,482 | 3.02 |
| 2025-07-31 | 3,214,674 | +2.8% | 655,695 | 4.90 |
| 2025-07-15 | 3,126,129 | -29.6% | 655,540 | 4.77 |
| 2025-06-30 | 4,443,195 | +13.4% | 699,819 | 6.35 |
| 2025-06-13 | 3,918,856 | +22.6% | 1,218,471 | 3.22 |
| 2025-05-30 | 3,197,363 | +13.7% | 352,994 | 9.06 |
| 2025-05-15 | 2,811,235 | -3.0% | 380,226 | 7.39 |
| 2025-04-30 | 2,896,692 | -3.5% | 250,278 | 11.57 |
| 2025-04-15 | 3,002,050 | +2.3% | 454,664 | 6.60 |
| 2025-03-31 | 2,934,642 | +4.3% | 320,583 | 9.15 |
| 2025-03-14 | 2,814,415 | +4.2% | 411,988 | 6.83 |
| 2025-02-28 | 2,701,718 | -0.6% | 283,051 | 9.54 |
| 2025-02-14 | 2,718,022 | +4.3% | 440,201 | 6.17 |
| 2025-01-31 | 2,605,915 | +2.0% | 313,306 | 8.32 |
| 2025-01-15 | 2,554,494 | +3.8% | 403,003 | 6.34 |
| 2024-12-31 | 2,462,166 | -2.6% | 380,490 | 6.47 |
| 2024-12-13 | 2,528,823 | -1.1% | 500,353 | 5.05 |
| 2024-11-29 | 2,557,134 | +4.7% | 500,899 | 5.11 |
| 2024-11-15 | 2,442,626 | -17.3% | 657,309 | 3.72 |
| 2024-10-31 | 2,952,412 | -14.3% | 724,659 | 4.07 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 2 November 2026, the short share of VYGR volume is 55.4%, down 18.5 points over the last five sessions. Over the last 30 readings it ranged from 30.2% (22 September 2026) to 85.4% (23 September 2026). The latest reading is in line with the 30-session average of 54.0%, on 441K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-11-02 | 244K | 441K | 55.4% | 546 |
| 2026-10-30 | 250K | 387K | 64.5% | 0 |
| 2026-10-29 | 152K | 243K | 62.5% | 0 |
| 2026-10-28 | 208K | 487K | 42.8% | 0 |
| 2026-10-27 | 164K | 393K | 41.8% | 6 |
| 2026-10-26 | 561K | 759K | 74.0% | 3,478 |
| 2026-10-23 | 413K | 557K | 74.3% | 62,222 |
| 2026-10-22 | 354K | 584K | 60.5% | 79,349 |
| 2026-10-21 | 188K | 378K | 49.8% | 19,547 |
| 2026-10-20 | 129K | 315K | 41.0% | 0 |
| 2026-10-19 | 296K | 427K | 69.2% | 0 |
| 2026-10-16 | 104K | 217K | 47.8% | 2,006 |
| 2026-10-15 | 137K | 226K | 60.5% | 3 |
| 2026-10-14 | 176K | 524K | 33.6% | 691 |
| 2026-10-13 | 138K | 330K | 41.9% | 1,125 |
| 2026-10-12 | 134K | 353K | 37.9% | 1,241 |
| 2026-10-09 | 110K | 224K | 48.9% | 2,000 |
| 2026-10-08 | 147K | 288K | 50.8% | 1 |
| 2026-10-07 | 123K | 249K | 49.2% | 0 |
| 2026-10-06 | 107K | 192K | 55.5% | 21,627 |
| 2026-10-05 | 207K | 460K | 45.0% | 1 |
| 2026-10-02 | 276K | 464K | 59.5% | 5,409 |
| 2026-10-01 | 109K | 172K | 63.3% | 0 |
| 2026-09-30 | 118K | 236K | 49.9% | 1 |
| 2026-09-29 | 127K | 208K | 60.8% | 1,600 |
| 2026-09-28 | 119K | 244K | 49.0% | 0 |
| 2026-09-25 | 140K | 263K | 53.2% | 262 |
| 2026-09-24 | 267K | 442K | 60.5% | 696 |
| 2026-09-23 | 262K | 307K | 85.4% | 134 |
| 2026-09-22 | 35K | 117K | 30.2% | 100 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 14 October 2026, the fails-to-deliver balance in VYGR is 175 shares, unchanged over the last settlement date. Over the last 30 readings it ranged from 2 shares (8 July 2026) to 179,404 shares (29 January 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-10-14 | 175 | $2.15 | $376 |
| 2026-10-13 | 175 | $2.27 | $397 |
| 2026-09-28 | 6,876 | $2.68 | $18K |
| 2026-09-25 | 6 | $2.80 | $17 |
| 2026-09-08 | 12,770 | $3.51 | $45K |
| 2026-09-02 | 2,554 | $3.43 | $9K |
| 2026-08-31 | 2,745 | $3.54 | $10K |
| 2026-08-27 | 4,062 | $3.46 | $14K |
| 2026-08-25 | 117 | $3.44 | $402 |
| 2026-08-17 | 3,038 | $3.27 | $10K |
| 2026-08-03 | 2,904 | $3.03 | $9K |
| 2026-07-08 | 2 | $3.78 | $8 |
| 2026-07-07 | 842 | $3.62 | $3K |
| 2026-07-06 | 758 | $3.78 | $3K |
| 2026-06-16 | 29 | $3.63 | $105 |
| 2026-06-15 | 19,421 | $3.50 | $68K |
| 2026-06-11 | 1,173 | $3.32 | $4K |
| 2026-06-03 | 850 | $3.59 | $3K |
| 2026-05-27 | 16 | $3.83 | $61 |
| 2026-04-20 | 199 | $4.13 | $822 |
| 2026-03-30 | 149 | $3.96 | $590 |
| 2026-03-25 | 1,375 | $3.92 | $5K |
| 2026-03-23 | 795 | $3.85 | $3K |
| 2026-03-05 | 255 | $4.13 | $1K |
| 2026-03-02 | 1,514 | $4.10 | $6K |
| 2026-02-25 | 158 | $3.78 | $597 |
| 2026-02-24 | 961 | $3.58 | $3K |
| 2026-02-11 | 504 | $3.70 | $2K |
| 2026-01-29 | 179,404 | $3.97 | $712K |
| 2026-01-12 | 17,751 | $4.02 | $71K |
Insider trades
SEC Form 4, newest first. JSONNo open-market insider trades were reported for VYGR in the last 90 days. The most recent filings are listed below. Latest filing: Sandrock Alfred (President and CEO) on 2026-04-02.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-04-02 | Sandrock Alfred | President and CEO | Sell | 12K | $3.87 | $45K | 473K |
| 2026-04-01 | Shiferman Gregory L. | SVP and General Counsel | Grant | 50K | $0.00 | $0 | 50K |
| 2026-02-24 | Swartz Robin | COO & CBO | Sell | 6K | $3.77 | $24K | 200K |
| 2026-02-24 | Sandrock Alfred | President and CEO | Sell | 14K | $3.79 | $54K | 484K |
| 2026-02-24 | Jorgensen Nathan D. | Chief Financial Officer | Sell | 5K | $3.77 | $18K | 151K |
| 2026-02-24 | Carter Todd Alfred | Chief Scientific Officer | Sell | 4K | $3.76 | $16K | 146K |
| 2026-02-18 | Swartz Robin | COO & CBO | Sell | 4K | $3.44 | $13K | 206K |
| 2026-02-18 | Sandrock Alfred | President and CEO | Sell | 12K | $3.41 | $40K | 498K |
| 2026-02-18 | Carter Todd Alfred | Chief Scientific Officer | Sell | 3K | $3.44 | $11K | 150K |
| 2026-02-10 | Swartz Robin | COO & CBO | Sell | 5K | $3.85 | $18K | 210K |
| 2026-02-10 | Sandrock Alfred | President and CEO | Sell | 12K | $3.78 | $46K | 510K |
| 2026-02-10 | Carter Todd Alfred | Chief Scientific Officer | Sell | 4K | $3.85 | $14K | 153K |
| 2026-02-06 | Swartz Robin | COO & CBO | Grant | 45K | $0.00 | $0 | 215K |
| 2026-02-06 | Sandrock Alfred | President and CEO | Grant | 86K | $0.00 | $0 | 522K |
| 2026-02-06 | Jorgensen Nathan D. | Chief Financial Officer | Grant | 32K | $0.00 | $0 | 156K |
| 2026-02-06 | Ferguson Toby | Chief Medical Officer | Grant | 45K | $0.00 | $0 | 184K |
| 2026-02-06 | Carter Todd Alfred | Chief Scientific Officer | Grant | 33K | $0.00 | $0 | 157K |
| 2025-10-03 | Jorgensen Nathan D. | Chief Financial Officer | Sell | 8K | $4.78 | $37K | 124K |
| 2025-08-18 | Ferguson Toby | Chief Medical Officer | Sell | 19K | $3.73 | $71K | 139K |
| 2025-04-02 | Sandrock Alfred | President and CEO | Sell | 11K | $3.43 | $37K | 431K |
| 2025-04-02 | Ferguson Toby | Chief Medical Officer | Sell | 10K | $3.43 | $35K | 158K |
| 2025-02-21 | Jorgensen Nathan D. | Chief Financial Officer | Grant | 52K | $0.00 | $0 | 132K |
| 2025-02-21 | Ferguson Toby | Chief Medical Officer | Grant | 63K | $0.00 | $0 | 168K |
| 2025-02-21 | Fahey Sandell Jacquelyn | Chief Legal Officer | Grant | 42K | $0.00 | $0 | 123K |
| 2025-02-21 | Swartz Robin | COO & CBO | Grant | 71K | $0.00 | $0 | 170K |
| 2025-02-21 | Sandrock Alfred | President and CEO | Grant | 145K | $0.00 | $0 | 442K |
| 2025-02-21 | Carter Todd Alfred | Chief Scientific Officer | Grant | 46K | $0.00 | $0 | 124K |
| 2025-02-20 | Swartz Robin | COO & CBO | Sell | 4K | $4.25 | $17K | 98K |
| 2025-02-20 | Sandrock Alfred | President and CEO | Sell | 12K | $4.24 | $50K | 297K |
| 2025-02-20 | Carter Todd Alfred | Chief Scientific Officer | Sell | 3K | $4.26 | $14K | 78K |
| 2025-02-11 | Fahey Sandell Jacquelyn | Chief Legal Officer | Sell | 4K | $4.45 | $19K | 82K |
| 2025-02-11 | Sandrock Alfred | President & CEO | Sell | 17K | $4.45 | $74K | 309K |
| 2025-02-11 | Swartz Robin | COO & CBO | Sell | 7K | $4.45 | $31K | 102K |
| 2025-02-11 | Carter Todd Alfred | Chief Scientific Officer | Sell | 5K | $4.45 | $24K | 81K |
| 2025-01-14 | Carter Todd Alfred | Chief Scientific Officer | Sell | 1K | $5.13 | $6K | 86K |
| 2025-01-14 | Swartz Robin | COO & CBO | Sell | 3K | $5.09 | $16K | 109K |
| 2024-12-23 | Swartz Robin | COO&CBO | Sell | 7K | $5.65 | $37K | 112K |
| 2024-10-02 | Fahey Sandell Jacquelyn | Chief Legal Officer | Sell | 6K | $5.82 | $35K | 86K |
| 2024-10-01 | Jorgensen Nathan D. | Chief Financial Officer | Grant | 80K | $0.00 | $0 | 80K |
| 2024-04-02 | Sandrock Alfred | President and CEO | Sell | 12K | $9.86 | $119K | 323K |
| 2024-04-02 | Swartz Robin | Chief Operating Officer | Sell | 1K | $9.88 | $13K | 117K |
| 2024-04-01 | Ferguson Toby | Chief Medical Officer | Grant | 105K | $0.00 | $0 | 105K |
| 2024-02-21 | Carter Todd Alfred | Chief Scientific Officer | Sell | 3K | $7.47 | $25K | 88K |
| 2024-02-21 | PFREUNDSCHUH PETER P. | Chief Financial Officer | Sell | 4K | $7.46 | $28K | 176K |
| 2024-02-21 | Sandrock Alfred | President and CEO | Sell | 13K | $7.46 | $97K | 335K |
| 2024-02-21 | Swartz Robin | Chief Operating Officer | Sell | 4K | $7.45 | $30K | 118K |
| 2024-02-20 | Carter Todd Alfred | Chief Scientific Officer | Sell | 602 | $7.68 | $5K | 91K |
| 2024-02-09 | PFREUNDSCHUH PETER P. | Chief Financial Officer | Grant | 30K | $0.00 | $0 | 179K |
| 2024-02-09 | Sandrock Alfred | President and CEO | Grant | 130K | $0.00 | $0 | 348K |
| 2024-02-09 | Swartz Robin | Chief Operating Officer | Grant | 50K | $0.00 | $0 | 122K |
| 2024-02-09 | Carter Todd Alfred | Chief Scientific Officer | Grant | 39K | $0.00 | $0 | 92K |
| 2024-02-09 | Fahey Sandell Jacquelyn | Chief Legal Officer | Grant | 31K | $0.00 | $0 | 92K |
| 2024-01-17 | Carter Todd Alfred | Chief Scientific Officer | Sell | 1K | $7.18 | $9K | 53K |
| 2024-01-17 | Swartz Robin | Chief Operating Officer | Sell | 3K | $7.15 | $18K | 72K |
| 2023-10-03 | PFREUNDSCHUH PETER P. | Chief Financial Officer | Sell | 14K | $6.99 | $95K | 149K |
| 2023-10-01 | Fahey Sandell Jacquelyn | Chief Legal Officer | Grant | 61K | $0.00 | $0 | 61K |
| 2023-09-15 | Carter Todd Alfred | Chief Scientific Officer | Exercise or conversion | 5K | $2.85 | $14K | 65K |
| 2023-09-15 | Carter Todd Alfred | Chief Scientific Officer | Sell | 11K | $8.16 | $86K | 54K |
| 2023-07-06 | Carter Todd Alfred | Chief Scientific Officer | Sell | 6K | $10.80 | $59K | 60K |
| 2023-06-30 | Carter Todd Alfred | Chief Scientific Officer | Sell | 5K | $11.41 | $57K | 65K |
| 2023-06-30 | Carter Todd Alfred | Chief Scientific Officer | Exercise or conversion | 5K | $2.85 | $14K | 70K |
| 2023-04-03 | Swartz Robin | Chief Operating Officer | Sell | 1K | $7.83 | $10K | 72K |
| 2023-04-03 | Sandrock Alfred | President and CEO | Sell | 7K | $7.83 | $58K | 215K |
| 2023-03-20 | Hesslein Robert W. | Senior VP & General Counsel | Sell | 4K | $7.76 | $34K | 102K |
| 2023-03-20 | Swartz Robin | Chief Operating Officer | Sell | 4K | $7.76 | $28K | 73K |
| 2023-03-20 | Carter Todd Alfred | Chief Scientific Officer | Sell | 2K | $7.76 | $17K | 65K |
| 2023-03-15 | Swartz Robin | Chief Operating Officer | Sell | 15K | $8.20 | $126K | 77K |
| 2023-02-23 | NEUROCRINE BIOSCIENCES INC | TenPercentOwner | Buy | 4.4M | $8.88 | $39.0M | 8.6M |
| 2023-02-17 | Sandrock Alfred | President and CEO | Grant | 120K | $0.00 | $0 | 222K |
| 2023-02-17 | Swartz Robin | Chief Operating Officer | Grant | 40K | $0.00 | $0 | 92K |
| 2023-02-17 | PFREUNDSCHUH PETER P. | Chief Financial Officer | Grant | 38K | $0.00 | $0 | 163K |
| 2023-02-17 | Carter Todd Alfred | Chief Scientific Officer | Sell | 738 | $7.45 | $5K | 68K |
| 2023-02-17 | Carter Todd Alfred | Chief Scientific Officer | Grant | 34K | $0.00 | $0 | 68K |
| 2023-02-17 | Hesslein Robert W. | Senior VP & General Counsel | Sell | 3K | $7.45 | $25K | 107K |
| 2023-02-13 | Hesslein Robert W. | Senior VP & General Counsel | Sell | 3K | $7.67 | $22K | 110K |
| 2023-02-13 | Carter Todd Alfred | Chief Scientific Officer | Sell | 797 | $7.67 | $6K | 34K |
| 2023-02-02 | Third Rock Ventures III, L.P. | TenPercentOwner | Other transaction | 1.5M | price not stated in the filing | not stated | 3.2M |
| 2023-02-01 | Third Rock Ventures III, L.P. | TenPercentOwner | Sell | 129K | $9.32 | $1.2M | 4.7M |
| 2023-01-31 | Third Rock Ventures III, L.P. | TenPercentOwner | Sell | 185K | $9.25 | $1.7M | 4.8M |
| 2023-01-30 | Third Rock Ventures III, L.P. | TenPercentOwner | Sell | 75K | $9.03 | $677K | 5.0M |
| 2023-01-27 | TEPPER ROBERT I | TenPercentOwner | Sell | 50K | $9.02 | $451K | 5.1M |
| 2023-01-25 | Third Rock Ventures III, L.P. | TenPercentOwner | Sell | 50K | $9.22 | $461K | 5.1M |
| 2023-01-24 | Third Rock Ventures III, L.P. | TenPercentOwner | Sell | 100K | $9.27 | $927K | 5.2M |
| 2023-01-23 | Third Rock Ventures GP III, L.P. | TenPercentOwner | Sell | 55K | $9.06 | $498K | 5.3M |
| 2023-01-20 | Third Rock Ventures GP III, L.P. | TenPercentOwner | Sell | 100K | $9.15 | $915K | 5.3M |
| 2023-01-17 | Swartz Robin | Chief Operating Officer | Sell | 792 | $10.34 | $8K | 52K |
| 2023-01-17 | Swartz Robin | Chief Operating Officer | Sell | 1K | $9.57 | $13K | 53K |
| 2023-01-17 | Carter Todd Alfred | Chief Scientific Officer | Sell | 400 | $10.34 | $4K | 35K |
| 2023-01-17 | Carter Todd Alfred | Chief Scientific Officer | Sell | 706 | $9.57 | $7K | 35K |
| 2023-01-17 | Hesslein Robert W. | Senior VP & General Counsel | Sell | 1K | $9.57 | $13K | 114K |
| 2023-01-17 | Hesslein Robert W. | Senior VP & General Counsel | Sell | 792 | $10.34 | $8K | 113K |
| 2023-01-11 | EcoR1 Capital, LLC | TenPercentOwner | Sell | 110K | $8.50 | $935K | 3.9M |
| 2023-01-10 | EcoR1 Capital, LLC | TenPercentOwner | Sell | 336K | $8.05 | $2.7M | 4.0M |
| 2023-01-09 | EcoR1 Capital, LLC | TenPercentOwner | Sell | 456K | $7.67 | $3.5M | 4.3M |
| 2023-01-06 | Carter Todd Alfred | Chief Scientific Officer | Sell | 388 | $6.41 | $2K | 36K |
| 2022-12-31 | Carter Todd Alfred | Chief Scientific Officer | Grant | 388 | $5.17 | $2K | 37K |
| 2022-10-01 | PFREUNDSCHUH PETER P. | Chief Financial Officer | Grant | 125K | $0.00 | $0 | 125K |
| 2022-08-25 | Third Rock Ventures GP III, L.P. | TenPercentOwner | Sell | 200K | $6.22 | $1.2M | 5.4M |
| 2022-08-24 | Third Rock Ventures GP III, L.P. | TenPercentOwner | Sell | 150K | $6.09 | $913K | 5.6M |
| 2022-08-16 | Third Rock Ventures GP III, L.P. | TenPercentOwner | Sell | 128K | $6.04 | $776K | 5.8M |
Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.
Planned sales (Form 144)
Newest first. JSON15 Form 144 notices on file for VYGR worth $499K at the prices reported; 0 in the last 90 days worth $0. Latest: Jorgensen Nathan D. filed on 2026-05-15 to sell 25,000 shares ($97K) from 2026-05-15.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-05-15 | Jorgensen Nathan D.Former Officer | 25K | $97K | 0.041% | 2026-05-15 | Fidelity Brokerage Services LLC |
| 2026-05-15 | Jorgensen Nathan D.Former Officer | 9K | $40K | 0.016% | 2026-05-15 | Fidelity Brokerage Services LLC |
| 2026-04-02 | Sandrock AlfredOfficer, Director | 12K | $45K | 0.019% | 2026-04-02 | Fidelity Brokerage Services LLC |
| 2026-02-24 | Swartz RobinOfficer | 6K | $24K | 0.012% | 2026-02-24 | Fidelity Brokerage Services LLC |
| 2026-02-24 | Sandrock AlfredOfficer, Director | 14K | $54K | 0.026% | 2026-02-24 | Fidelity Brokerage Services LLC |
| 2026-02-24 | Jorgensen Nathan D.Officer | 5K | $18K | 0.008% | 2026-02-24 | Fidelity Brokerage Services LLC |
| 2026-02-24 | Carter Todd AlfredOfficer | 4K | $16K | 0.008% | 2026-02-24 | Fidelity Brokerage Services LLC |
| 2026-02-18 | Swartz RobinOfficer | 4K | $13K | 0.007% | 2026-02-18 | Fidelity Brokerage Services LLC |
| 2026-02-18 | Sandrock AlfredOfficer, Director | 12K | $40K | 0.021% | 2026-02-18 | Fidelity Brokerage Services LLC |
| 2026-02-18 | Carter Todd AlfredOfficer | 3K | $11K | 0.006% | 2026-02-18 | Fidelity Brokerage Services LLC |
| 2026-02-10 | Swartz RobinOfficer | 5K | $18K | 0.008% | 2026-02-10 | Fidelity Brokerage Services LLC |
| 2026-02-10 | Sandrock AlfredOfficer, Director | 12K | $46K | 0.022% | 2026-02-10 | Fidelity Brokerage Services LLC |
| 2026-02-10 | Carter Todd AlfredOfficer | 4K | $14K | 0.006% | 2026-02-10 | Fidelity Brokerage Services LLC |
| 2025-10-03 | Jorgensen Nathan D.Officer | 8K | $37K | 0.014% | 2025-10-03 | Fidelity Brokerage Services LLC |
| 2025-10-03 | Fahey Sandell JacquelynOfficer | 6K | $28K | 0.011% | 2025-10-03 | Fidelity Brokerage Services LLC |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON6 holders report 5% or more of VYGR in their latest filing, all on Schedule 13G (passive). The largest reported stake is Millennium Management LLC at 7.4% of the class (4,442,951 shares), filed 2026-07-31 for an event on 2026-06-30.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-08-14 | 13G/Ano. 9 | Steven Boydparent holding company, individual | 3.4M | 5.6% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 9 | Armistice Capital, LLCinvestment adviser, other entity | 3.4M | 5.6% | 2026-06-30 |
| 2026-07-31 | 13G/Ano. 1 | Millennium Management LLCother entity | 4.4M | 7.4% | 2026-06-30 |
| 2026-07-31 | 13G/Ano. 1 | Millennium Group Management LLCother entity | 4.4M | 7.4% | 2026-06-30 |
| 2026-07-31 | 13G/Ano. 1 | Israel A. Englanderindividual | 4.4M | 7.4% | 2026-06-30 |
| 2026-07-31 | 13G/Ano. 1 | Integrated Core Strategies (US) LLCother entity | 4.4M | 7.3% | 2026-06-30 |
| 2026-05-15 | 13G/Ano. 7 | EcoR1 Capital, LLCinvestment adviser, other entity | 0 | 0.0% | 2026-03-31 |
| 2026-05-15 | 13G/Ano. 7 | Oleg Nodelmanparent holding company, individual | 0 | 0.0% | 2026-03-31 |
| 2026-05-15 | 13G/Ano. 7 | EcoR1 Capital Fund Qualified, L.P.partnership | 0 | 0.0% | 2026-03-31 |
| 2026-03-27 | 13G/Ano. 5 | The Vanguard Groupinvestment adviser | 0 | 0.0% | 2026-03-13 |
13F holders
Tracked managers holding VYGR at their latest 13F. JSON7 of the 30 tracked managers held VYGR at their latest 13F, $25.9M in total at quarter-end prices. Millennium Management is the largest at $15.6M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 5 added shares and 2 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Millennium Management | 2026-06-30 | 4.4M | $15.6M | 0.01% | +1.0M |
| Two Sigma Investments | 2026-06-30 | 949K | $3.3M | 0.00% | +333K |
| Citadel Advisors | 2026-06-30 | 784K | $2.7M | 0.00% | +419K |
| Renaissance Technologies | 2026-06-30 | 495K | $1.7M | 0.00% | -83K |
| AQR Capital Management | 2026-06-30 | 356K | $1.2M | 0.00% | +123K |
| Point72 Asset Management | 2026-06-30 | 236K | $826K | 0.00% | -32K |
| D. E. Shaw & Co. | 2026-06-30 | 144K | $504K | 0.00% | +45K |
Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.
What this page is
Voyager Therapeutics in the regulatory record
Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.
Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.
This page follows Voyager Therapeutics (VYGR), SEC CIK 1640266, listed on Nasdaq, classified by the SEC as biological products, (no diagnostic substances). The cross-market tables live on the short interest and insider transactions hubs.
Source and updates
- Short interest
- FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-10-15.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-11-02.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-10-14.JSON and CSV
- Planned sales
- SEC EDGAR Form 144Source: SEC.New notices appear shortly after the SEC posts them; a notice is filed on or before the sale. Latest 2026-05-15.JSON and CSV
- Large holders
- SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-08-14.JSON and CSV
- 13F holders
- SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
- Earnings dates
- SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-08-06.JSON and CSV
- Insider trades
- SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-04-02.JSON and CSV
- Company record
- EDGAR filing index for CIK 1640266Ticker, name and exchange from the SEC's company list, refreshed weekly.
- Rate limits
- 10 requests a minute without a key, 30 with a free key from a free account.
How to read it
- Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
- Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
- Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.
Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.
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Datasets
Frequently Asked Questions
How much of VYGR is sold short?
3,638,416 shares were held short at the 2026-10-15 settlement, 4.0 days of average volume. FINRA publishes the next count about eight business days after the 15th and the last business day of the month.
What is VYGR's daily short volume?
On 2026-11-02, 244,393 of the 441,170 VYGR shares reported to FINRA were sold short, 55.4% of the day's reported volume. Short volume is a flow for one day, not a position.
Does VYGR have fails to deliver?
The SEC's latest file shows 175 VYGR shares failed to deliver at settlement 2026-10-14. Fails are reported per settlement date and published twice a month with a lag.
Are VYGR insiders buying or selling?
No open-market insider trades were reported for VYGR in the last 90 days. The most recent filings are listed below. Latest filing: Sandrock Alfred (President and CEO) on 2026-04-02.
Have VYGR insiders filed to sell?
15 Form 144 notices on file for VYGR worth $499K at the prices reported; 0 in the last 90 days worth $0. Latest: Jorgensen Nathan D. filed on 2026-05-15 to sell 25,000 shares ($97K) from 2026-05-15.
Who owns 5% or more of VYGR?
6 holders report 5% or more of VYGR in their latest filing, all on Schedule 13G (passive). The largest reported stake is Millennium Management LLC at 7.4% of the class (4,442,951 shares), filed 2026-07-31 for an event on 2026-06-30.
Which tracked 13F managers own VYGR?
7 of the 30 tracked 13F managers held VYGR shares at their latest filing, $25.9M in all. The largest: Izzy Englander's Millennium Management (4.4M shares, $15.6M), Two Sigma Investments (949K shares, $3.3M), Ken Griffin's Citadel Advisors (784K shares, $2.7M), Renaissance Technologies (495K shares, $1.7M), Cliff Asness's AQR Capital Management (356K shares, $1.2M), Steve Cohen's Point72 Asset Management (236K shares, $826K). The table above lists all 7.
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.