Grail (GRAL)
Grail 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 services-medical laboratories.
8.0M
Short interest
settlement 2026-09-30
4.1
Days to cover
-8.5 days vs prior
56.0%
Short share of volume
2026-10-09
276
Fails to deliver
settlement 2026-09-09
Wed 11 Nov
Next earnings
estimated date
-$12.1M
Insider flow, 90 days
0 buys, 15 sells
As of 2026-10-09.
Short interest
FINRA, twice a month. The newest 24 settlements in the table, 48 in the chart. JSONAs of 30 September 2026, short interest in GRAL is 8,009,746 shares, down 502,933 shares over the last month. Over the last 48 readings it ranged from 3,311,754 shares (15 October 2024) to 8,565,314 shares (15 September 2026). At the reported average volume of 1.9M shares a day that is 4.1 days to cover.
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| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-09-30 | 8,009,746 | -6.5% | 1,933,327 | 4.14 |
| 2026-09-15 | 8,565,314 | +0.6% | 676,523 | 12.66 |
| 2026-08-31 | 8,512,679 | +4.4% | 693,363 | 12.28 |
| 2026-08-14 | 8,155,446 | +8.8% | 830,001 | 9.83 |
| 2026-07-31 | 7,492,613 | -3.1% | 489,779 | 15.30 |
| 2026-07-15 | 7,733,785 | -0.2% | 499,653 | 15.48 |
| 2026-06-30 | 7,752,422 | +9.1% | 698,344 | 11.10 |
| 2026-06-15 | 7,104,972 | +11.8% | 957,146 | 7.42 |
| 2026-05-29 | 6,356,948 | -11.1% | 722,563 | 8.80 |
| 2026-05-15 | 7,150,024 | +2.4% | 626,390 | 11.41 |
| 2026-04-30 | 6,980,025 | -0.1% | 521,704 | 13.38 |
| 2026-04-15 | 6,988,095 | -2.4% | 934,069 | 7.48 |
| 2026-03-31 | 7,159,891 | +9.6% | 819,050 | 8.74 |
| 2026-03-13 | 6,535,186 | +3.8% | 1,166,777 | 5.60 |
| 2026-02-27 | 6,297,057 | +15.3% | 3,336,820 | 1.89 |
| 2026-02-13 | 5,463,389 | +7.4% | 630,579 | 8.66 |
| 2026-01-30 | 5,087,841 | -5.2% | 960,502 | 5.30 |
| 2026-01-15 | 5,368,856 | +3.2% | 692,820 | 7.75 |
| 2025-12-31 | 5,203,861 | +10.0% | 779,155 | 6.68 |
| 2025-12-15 | 4,730,136 | -11.3% | 893,447 | 5.29 |
| 2025-11-28 | 5,331,628 | -2.1% | 1,451,755 | 3.67 |
| 2025-11-14 | 5,444,402 | +0.5% | 988,854 | 5.51 |
| 2025-10-31 | 5,416,366 | +13.3% | 1,325,188 | 4.09 |
| 2025-10-15 | 4,782,809 | -4.1% | 1,023,233 | 4.67 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 9 October 2026, the short share of GRAL volume is 56.0%, up 6.9 points over the last five sessions. Over the last 30 readings it ranged from 38.4% (8 October 2026) to 83.5% (1 September 2026). The latest reading is in line with the 30-session average of 55.9%, on 336K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-10-09 | 188K | 336K | 56.0% | 0 |
| 2026-10-08 | 231K | 601K | 38.4% | 0 |
| 2026-10-07 | 194K | 382K | 50.9% | 18,356 |
| 2026-10-06 | 536K | 973K | 55.1% | 26,530 |
| 2026-10-05 | 393K | 726K | 54.0% | 100,548 |
| 2026-10-02 | 194K | 395K | 49.1% | 0 |
| 2026-10-01 | 250K | 531K | 47.1% | 0 |
| 2026-09-30 | 598K | 963K | 62.1% | 177,519 |
| 2026-09-29 | 230K | 476K | 48.2% | 31 |
| 2026-09-28 | 224K | 503K | 44.4% | 10 |
| 2026-09-25 | 184K | 469K | 39.3% | 685 |
| 2026-09-24 | 695K | 1.7M | 42.1% | 1,702 |
| 2026-09-22 | 386K | 950K | 40.6% | 320 |
| 2026-09-21 | 955K | 1.7M | 56.9% | 2,844 |
| 2026-09-18 | 398K | 666K | 59.7% | 0 |
| 2026-09-17 | 331K | 606K | 54.6% | 158 |
| 2026-09-16 | 595K | 912K | 65.2% | 0 |
| 2026-09-15 | 245K | 474K | 51.8% | 39 |
| 2026-09-14 | 354K | 507K | 69.8% | 0 |
| 2026-09-11 | 67K | 115K | 58.2% | 0 |
| 2026-09-10 | 115K | 230K | 50.0% | 0 |
| 2026-09-09 | 122K | 241K | 50.5% | 0 |
| 2026-09-08 | 113K | 278K | 40.7% | 3 |
| 2026-09-04 | 109K | 148K | 74.2% | 0 |
| 2026-09-03 | 60K | 105K | 57.5% | 100 |
| 2026-09-02 | 96K | 146K | 66.1% | 0 |
| 2026-09-01 | 149K | 178K | 83.5% | 18,313 |
| 2026-08-31 | 126K | 170K | 74.4% | 85 |
| 2026-08-28 | 189K | 259K | 73.0% | 0 |
| 2026-08-27 | 210K | 327K | 64.2% | 99 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 9 September 2026, the fails-to-deliver balance in GRAL is 276 shares, down 9,633 shares over the last settlement date. Over the last 30 readings it ranged from 7 shares (16 July 2026) to 177,005 shares (29 June 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-09-09 | 276 | $79.10 | $22K |
| 2026-09-03 | 9,909 | $80.56 | $798K |
| 2026-08-24 | 2,537 | $79.54 | $202K |
| 2026-08-20 | 7 | $73.96 | $518 |
| 2026-08-19 | 106 | $70.89 | $8K |
| 2026-08-17 | 44 | $67.87 | $3K |
| 2026-08-11 | 675 | $74.84 | $51K |
| 2026-08-10 | 768 | $69.48 | $53K |
| 2026-07-24 | 293 | $70.36 | $21K |
| 2026-07-20 | 4,750 | $72.62 | $345K |
| 2026-07-17 | 155 | $71.96 | $11K |
| 2026-07-16 | 7 | $74.36 | $521 |
| 2026-07-01 | 2,908 | $68.27 | $199K |
| 2026-06-29 | 177,005 | $65.92 | $11.7M |
| 2026-06-25 | 182 | $64.58 | $12K |
| 2026-06-24 | 458 | $61.11 | $28K |
| 2026-06-22 | 2,000 | $63.74 | $127K |
| 2026-06-18 | 187 | $59.45 | $11K |
| 2026-06-17 | 152 | $58.29 | $9K |
| 2026-06-16 | 37,860 | $59.81 | $2.3M |
| 2026-06-15 | 2,170 | $59.85 | $130K |
| 2026-06-12 | 280 | $60.16 | $17K |
| 2026-06-01 | 230 | $71.68 | $16K |
| 2026-05-26 | 113 | $67.19 | $8K |
| 2026-05-19 | 73 | $60.71 | $4K |
| 2026-05-18 | 40 | $59.65 | $2K |
| 2026-05-15 | 189 | $61.80 | $12K |
| 2026-05-13 | 563 | $61.98 | $35K |
| 2026-05-01 | 35 | $54.48 | $2K |
| 2026-04-30 | 40 | $49.69 | $2K |
Insider trades
SEC Form 4, newest first, 50 of 100 shown. JSONInsiders at GRAL reported 15 open-market sells worth $12.1M in the last 90 days and no open-market buys. Latest filing: Freidin Aaron (Chief Financial Officer) on 2026-10-05.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-10-05 | Freidin Aaron | Chief Financial Officer | Sell | 24K | $146.39 | $3.5M | 225K |
| 2026-10-05 | Partridge Andrew John | Chief Growth Officer | Sell | 8K | $146.39 | $1.2M | 156K |
| 2026-09-21 | Ofman Joshua J. | Chief Executive Officer | Sell | 10K | $110.00 | $1.1M | 362K |
| 2026-09-21 | Ofman Joshua J. | Chief Executive Officer | Sell | 2K | $100.68 | $211K | 372K |
| 2026-09-21 | Ofman Joshua J. | Chief Executive Officer | Sell | 421 | $99.85 | $42K | 374K |
| 2026-09-21 | Ofman Joshua J. | Chief Executive Officer | Sell | 1K | $97.84 | $137K | 375K |
| 2026-09-21 | Ofman Joshua J. | Chief Executive Officer | Sell | 6K | $96.43 | $598K | 376K |
| 2026-09-21 | Ofman Joshua J. | Chief Executive Officer | Sell | 38K | $94.98 | $3.6M | 382K |
| 2026-09-21 | Ofman Joshua J. | Chief Executive Officer | Sell | 1K | $93.61 | $136K | 420K |
| 2026-09-21 | Ofman Joshua J. | Chief Executive Officer | Sell | 2K | $92.32 | $196K | 422K |
| 2026-09-21 | Ofman Joshua J. | Chief Executive Officer | Option exercise | 26K | $14.00 | $370K | 424K |
| 2026-09-21 | Freidin Aaron | Chief Financial Officer | Sell | 521 | $95.00 | $49K | 249K |
| 2026-09-21 | Freidin Aaron | Chief Financial Officer | Sell | 2K | $93.92 | $169K | 250K |
| 2026-09-21 | Freidin Aaron | Chief Financial Officer | Sell | 2K | $92.26 | $164K | 251K |
| 2026-08-27 | Ofman Joshua J. | Chief Executive Officer | Sell | 5K | $85.02 | $425K | 397K |
| 2026-08-27 | Freidin Aaron | Chief Financial Officer | Sell | 8K | $85.01 | $672K | 253K |
| 2026-07-15 | SUMME GREGORY L | Director | Grant | 427 | $74.36 | $32K | 46K |
| 2026-07-15 | MIZELL STEVEN | Director | Grant | 268 | $74.36 | $20K | 43K |
| 2026-07-15 | CHASE WILLIAM J | Director | Grant | 276 | $74.36 | $21K | 43K |
| 2026-06-18 | Krevans Sarah | Director | Grant | 5K | $63.74 | $350K | 43K |
| 2026-06-18 | SUMME GREGORY L | Director | Grant | 5K | $63.74 | $350K | 45K |
| 2026-06-18 | MIZELL STEVEN | Director | Grant | 5K | $63.74 | $350K | 43K |
| 2026-06-18 | CHASE WILLIAM J | Director | Grant | 5K | $63.74 | $350K | 43K |
| 2026-06-04 | Partridge Andrew John | Chief Growth Officer | Sell | 1K | $61.08 | $91K | 164K |
| 2026-06-03 | Ofman Joshua J. | Chief Executive Officer | Grant | 3K | $61.13 | $193K | 402K |
| 2026-06-01 | Ofman Joshua J. | Chief Executive Officer | Grant | 28K | $64.40 | $1.8M | 399K |
| 2026-04-15 | MIZELL STEVEN | Director | Grant | 396 | $49.79 | $20K | 37K |
| 2026-04-15 | SUMME GREGORY L | Director | Grant | 631 | $49.79 | $31K | 40K |
| 2026-04-15 | CHASE WILLIAM J | Director | Grant | 408 | $49.79 | $20K | 37K |
| 2026-04-08 | RAGUSA ROBERT P | Chief Executive Officer | Sell | 124K | $49.92 | $6.2M | 519K |
| 2026-04-08 | Ofman Joshua J. | President | Sell | 62K | $49.92 | $3.1M | 371K |
| 2026-04-08 | Freidin Aaron | Chief Financial Officer | Sell | 46K | $49.92 | $2.3M | 261K |
| 2026-03-09 | Ofman Joshua J. | President | Sell | 101 | $46.74 | $5K | 433K |
| 2026-03-09 | Ofman Joshua J. | President | Sell | 3K | $47.93 | $136K | 433K |
| 2026-03-09 | RAGUSA ROBERT P | Chief Executive Officer | Sell | 258 | $46.73 | $12K | 642K |
| 2026-03-09 | RAGUSA ROBERT P | Chief Executive Officer | Sell | 7K | $47.93 | $345K | 642K |
| 2026-03-09 | Freidin Aaron | Chief Financial Officer | Sell | 85 | $46.74 | $4K | 306K |
| 2026-03-09 | Freidin Aaron | Chief Financial Officer | Sell | 2K | $47.93 | $115K | 307K |
| 2026-03-05 | Ofman Joshua J. | President | Sell | 690 | $53.01 | $37K | 436K |
| 2026-03-05 | RAGUSA ROBERT P | Chief Executive Officer | Sell | 980 | $53.01 | $52K | 650K |
| 2026-03-05 | Freidin Aaron | Chief Financial Officer | Sell | 655 | $53.01 | $35K | 309K |
| 2026-03-02 | Ofman Joshua J. | President | Sell | 16K | $50.09 | $813K | 437K |
| 2026-03-02 | Ofman Joshua J. | President | Sell | 779 | $51.75 | $40K | 453K |
| 2026-03-02 | RAGUSA ROBERT P | Chief Executive Officer | Sell | 2K | $51.84 | $89K | 651K |
| 2026-03-02 | RAGUSA ROBERT P | Chief Executive Officer | Sell | 36K | $50.09 | $1.8M | 652K |
| 2026-03-02 | Freidin Aaron | Chief Financial Officer | Sell | 438 | $51.86 | $23K | 310K |
| 2026-03-02 | Freidin Aaron | Chief Financial Officer | Sell | 9K | $50.09 | $458K | 310K |
| 2026-02-27 | Ofman Joshua J. | President | Grant | 85K | $53.23 | $4.5M | 454K |
| 2026-02-27 | Freidin Aaron | Chief Financial Officer | Grant | 60K | $53.23 | $3.2M | 319K |
| 2026-01-15 | SUMME GREGORY L | Director | Grant | 329 | $97.44 | $32K | 39K |
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. JSON20 Form 144 notices on file for GRAL worth $40.8M at the prices reported; 3 in the last 90 days worth $7.5M. Latest: JOSHUA OFMAN filed on 2026-09-21 to sell 71,452 shares ($5.8M) from 2026-09-21.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-09-21 | JOSHUA OFMANDirector, Officer | 71K | $5.8M | 0.160% | 2026-09-21 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-27 | JOSHUA OFMANDirector, Officer | 10K | $796K | 0.022% | 2026-08-27 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-27 | AARON FREIDINOfficer | 12K | $955K | 0.027% | 2026-08-27 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-04-06 | Joshua OfmanOfficer, Director | 67K | $3.4M | 0.162% | 2026-04-06 | ETRADE FINANCIAL CORPORATION |
| 2026-04-06 | Robert RagusaOfficer, Director | 133K | $6.9M | 0.324% | 2026-04-06 | ETRADE FINANCIAL CORPORATION |
| 2026-04-06 | Aaron FreidinOfficer | 49K | $2.6M | 0.120% | 2026-04-03 | ETRADE FINANCIAL CORPORATION |
| 2026-03-05 | Robert RagusaOfficer, Director | 9K | $481K | 0.023% | 2026-03-05 | ETRADE FINANCIAL CORPORATION |
| 2026-03-05 | Joshua J. OfmanOfficer | 4K | $207K | 0.010% | 2026-03-05 | ETRADE FINANCIAL CORPORATION |
| 2026-03-05 | Aaron FreidinOfficer | 3K | $180K | 0.008% | 2026-03-04 | ETRADE FINANCIAL CORPORATION |
| 2026-03-02 | Joshua J. OfmanOfficer | 18K | $981K | 0.046% | 2026-03-02 | ETRADE FINANCIAL CORPORATION |
| 2026-03-02 | Robert RagusaOfficer, Director | 41K | $2.2M | 0.101% | 2026-03-02 | ETRADE FINANCIAL CORPORATION |
| 2026-03-02 | Aaron FreidinOfficer | 10K | $552K | 0.026% | 2026-03-02 | ETRADE FINANCIAL CORPORATION |
| 2025-12-03 | JOSHUA J OFMANOfficer | 13K | $1.3M | 0.033% | 2025-12-03 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-12-03 | ROBERT P RAGUSAOfficer, Director | 40K | $3.8M | 0.103% | 2025-12-03 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-12-03 | AARON FREIDINOfficer | 25K | $2.5M | 0.064% | 2025-12-03 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-11-14 | Aaron FreidinOfficer | 2K | $154K | 0.005% | 2025-11-17 | ETRADE FINANCIAL CORPORATION |
| 2025-10-15 | JOSHUA J OFMANOfficer | 15K | $1.0M | 0.042% | 2025-10-15 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-10-14 | Robert RagusaOfficer, Director | 8K | $573K | 0.023% | 2025-10-15 | ETRADE FINANCIAL CORPORATION |
| 2025-10-03 | Joshua OfmanOfficer | 89K | $5.8M | 0.247% | 2025-10-06 | ETRADE FINANCIAL CORPORATION |
| 2025-10-02 | JOSHUA J OFMANOfficer | 10K | $601K | 0.027% | 2025-10-02 | Morgan Stanley Smith Barney LLC Executive Financial Services |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON26 holders report 5% or more of GRAL in their latest filing, all on Schedule 13G (passive). The largest reported stake is Felix J. Baker at 9.8% of the class (4,028,614 shares), filed 2026-05-15 for an event on 2026-03-31.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-08-13 | 13G/Ano. 3 | Spokes, Andrew J. M.parent holding company, individual | 4.2M | 9.6% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Dapice Joshua J.parent holding company, individual | 4.2M | 9.6% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Dreyfuss, Philip D.parent holding company, individual | 4.2M | 9.6% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Dunn Hannah E.parent holding company, individual | 4.2M | 9.6% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Gehani, Varun N.parent holding company, individual | 4.2M | 9.6% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Giauque, Nicolasparent holding company, individual | 4.2M | 9.6% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Husen, Avner A.parent holding company, individual | 4.2M | 9.6% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Kim, David T.parent holding company, individual | 4.2M | 9.6% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Linn, Michael G.parent holding company, individual | 4.2M | 9.6% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Luo Patrick (Cheng)parent holding company, individual | 4.2M | 9.6% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Roberts, Jr., Thomas G.parent holding company, individual | 4.2M | 9.6% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Saito Edric C.parent holding company, individual | 4.2M | 9.6% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Short Daniel S.parent holding company, individual | 4.2M | 9.6% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Farallon Capital Management, L.L.C.investment adviser, other entity | 4.2M | 9.6% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Wehrly, Mark C.parent holding company, individual | 4.2M | 9.6% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Warren, John R.parent holding company, individual | 4.2M | 9.6% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Farallon Healthcare Partners Master, L.P.partnership | 0 | 0.0% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Farallon Capital Partners, L.P.partnership | 0 | 0.0% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Farallon Capital Institutional Partners, L.P.partnership | 0 | 0.0% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Farallon Capital Institutional Partners II, L.P.partnership | 0 | 0.0% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Farallon Capital Institutional Partners III, L.P.partnership | 0 | 0.0% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Four Crossings Institutional Partners V, L.P.partnership | 0 | 0.0% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Farallon Capital Offshore Investors II, L.P.partnership | 0 | 0.0% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Farallon Capital (AM) Investors, L.P.partnership | 0 | 0.0% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Farallon Capital F5 Master I, L.P.partnership | 0 | 0.0% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Farallon Partners, L.L.C.other entity | 0 | 0.0% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Farallon Institutional (GP) V, L.L.C.other entity | 0 | 0.0% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Farallon F5 (GP), L.L.C.other entity | 0 | 0.0% | 2026-06-30 |
| 2026-08-13 | 13G/Ano. 3 | Farallon Healthcare Partners (GP), L.L.C.other entity | 0 | 0.0% | 2026-06-30 |
| 2026-08-07 | 13G | STATE STREET CORPORATIONparent holding company | 2.4M | 5.6% | 2026-06-30 |
| 2026-08-06 | 13G/Ano. 3 | PRIMECAP MANAGEMENT CO/CA/investment adviser | 21.8M | 5.1% | 2026-06-30 |
| 2026-07-28 | 13G/Ano. 1 | BlackRock, Inc.parent holding company | 3.4M | 7.9% | 2026-06-30 |
| 2026-05-15 | 13G/Ano. 2 | Felix J. Bakerparent holding company, individual | 4.0M | 9.8% | 2026-03-31 |
| 2026-05-15 | 13G/Ano. 2 | Baker Bros. Advisors LPinvestment adviser, partnership | 4.0M | 9.8% | 2026-03-31 |
| 2026-05-15 | 13G/Ano. 2 | Julian C. Bakerparent holding company, individual | 4.0M | 9.8% | 2026-03-31 |
| 2026-05-15 | 13G/Ano. 2 | Baker Bros. Advisors (GP) LLCparent holding company, other entity | 4.0M | 9.8% | 2026-03-31 |
| 2026-03-27 | 13G/Ano. 1 | The Vanguard Groupinvestment adviser | 0 | 0.0% | 2026-03-13 |
| 2026-02-17 | 13G/Ano. 1 | Illumina, Inc.corporation | 1.3M | 3.2% | 2025-12-31 |
| 2026-02-09 | 13G/Ano. 1 | Fried, Richard Bindividual | 0 | 0.0% | 2025-12-31 |
| 2026-02-09 | 13G/Ano. 1 | Patel, Rajiv A.individual | 0 | 0.0% | 2025-12-31 |
| 2026-02-09 | 13G/Ano. 1 | Seybold, Williamindividual | 0 | 0.0% | 2025-12-31 |
| 2025-10-06 | 13G/Ano. 3 | CRCM LLCother entity | 1.8M | 5.0% | 2025-10-06 |
| 2025-10-06 | 13G/Ano. 3 | Ding Chun Rindividual | 1.8M | 5.0% | 2025-10-06 |
| 2025-10-06 | 13G/Ano. 3 | CRCM LPinvestment adviser | 1.8M | 5.0% | 2025-10-06 |
| 2025-10-06 | 13G/Ano. 3 | CRCM G SPV, LP | 937K | 2.6% | 2025-10-06 |
| 2025-10-06 | 13G/Ano. 3 | CRCM Opportunity GP IV LLCother entity | 326K | 0.9% | 2025-10-06 |
| 2025-10-06 | 13G/Ano. 3 | CRCM INSTITUTIONAL MASTER FUND (BVI), LTD.other entity | 325K | 0.9% | 2025-10-06 |
| 2025-10-06 | 13G/Ano. 3 | CRCM Opportunity Fund IV, LPpartnership | 326K | 0.9% | 2025-10-06 |
| 2025-10-06 | 13G/Ano. 3 | CRCM Opportunity GP III LLCother entity | 207K | 0.6% | 2025-10-06 |
| 2025-10-06 | 13G/Ano. 3 | CRCM Opportunity Fund III, LPpartnership | 207K | 0.6% | 2025-10-06 |
13F holders
Tracked managers holding GRAL at their latest 13F. JSON4 of the 30 tracked managers held GRAL at their latest 13F, $24.6M in total at quarter-end prices. AQR Capital Management is the largest at $14.2M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 1 added shares and 3 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| AQR Capital Management | 2026-06-30 | 211K | $14.2M | 0.00% | -81K |
| D. E. Shaw & Co. | 2026-06-30 | 116K | $7.9M | 0.00% | +34K |
| Two Sigma Investments | 2026-06-30 | 27K | $1.9M | 0.00% | -37K |
| Renaissance Technologies | 2026-06-30 | 9K | $628K | 0.00% | -46K |
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
Grail 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 Grail (GRAL), SEC CIK 1699031, listed on Nasdaq, classified by the SEC as services-medical laboratories. 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 2026-09-30.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-10-09.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-09.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 2026-09-21.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 2026-08-13.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 2026-08-05.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 2026-10-05.JSON and CSV
- Company record
- EDGAR filing index for CIK 1699031Ticker, 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.
Other companies the SEC classifies as services-medical laboratories
Other company pages
Datasets
Frequently Asked Questions
How much of GRAL is sold short?
8,009,746 shares were held short at the 2026-09-30 settlement, 4.1 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 GRAL's daily short volume?
On 2026-10-09, 188,029 of the 335,627 GRAL shares reported to FINRA were sold short, 56.0% of the day's reported volume. Short volume is a flow for one day, not a position.
Does GRAL have fails to deliver?
The SEC's latest file shows 276 GRAL shares failed to deliver at settlement 2026-09-09. Fails are reported per settlement date and published twice a month with a lag.
Are GRAL insiders buying or selling?
Insiders at GRAL reported 15 open-market sells worth $12.1M in the last 90 days and no open-market buys. Latest filing: Freidin Aaron (Chief Financial Officer) on 2026-10-05.
Have GRAL insiders filed to sell?
20 Form 144 notices on file for GRAL worth $40.8M at the prices reported; 3 in the last 90 days worth $7.5M. Latest: JOSHUA OFMAN filed on 2026-09-21 to sell 71,452 shares ($5.8M) from 2026-09-21.
Who owns 5% or more of GRAL?
26 holders report 5% or more of GRAL in their latest filing, all on Schedule 13G (passive). The largest reported stake is Felix J. Baker at 9.8% of the class (4,028,614 shares), filed 2026-05-15 for an event on 2026-03-31.
Which tracked 13F managers own GRAL?
4 of the 30 tracked 13F managers held GRAL shares at their latest filing, $24.6M in all. The largest: Cliff Asness's AQR Capital Management (211K shares, $14.2M), D. E. Shaw & Co. (116K shares, $7.9M), Two Sigma Investments (27K shares, $1.9M), Renaissance Technologies (9K shares, $628K).
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.