Larimar Therapeutics (LRMR)
Larimar Therapeutics on one page: short interest, daily short volume, fails to deliver, large holders, 13F holders, earnings dates and insider trades. Listed on Nasdaq.
14.7M
Short interest
settlement 2026-10-15
8.9
Days to cover
+0.3 days vs prior
42.7%
Short share of volume
2026-11-02
49,053
Fails to deliver
settlement 2026-10-14
Wed 4 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 LRMR is 14,662,909 shares, up 768,603 shares over the last month. Over the last 48 readings it ranged from 2,724,458 shares (31 October 2024) to 15,369,771 shares (30 September 2026). The latest reading sits at the top of that range. At the reported average volume of 1.6M shares a day that is 8.9 days to cover.
Embed this chart.The embed keeps its attribution line.
<iframe src="https://xoomar.com/embed/stocks/lrmr" width="100%" height="440" style="border:0;max-width:100%" loading="lazy" title="XOOMAR chart"></iframe>
| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-10-15 | 14,662,909 | -4.6% | 1,637,629 | 8.95 |
| 2026-09-30 | 15,369,771 | +10.6% | 1,767,337 | 8.70 |
| 2026-09-15 | 13,894,306 | +1.3% | 932,915 | 14.89 |
| 2026-08-31 | 13,721,861 | +2.1% | 895,151 | 15.33 |
| 2026-08-14 | 13,443,456 | +10.3% | 1,196,769 | 11.23 |
| 2026-07-31 | 12,190,367 | +7.8% | 1,299,572 | 9.38 |
| 2026-07-15 | 11,303,953 | -7.3% | 2,310,404 | 4.89 |
| 2026-06-30 | 12,193,251 | +15.7% | 3,837,640 | 3.18 |
| 2026-06-15 | 10,535,603 | +30.9% | 2,080,723 | 5.06 |
| 2026-05-29 | 8,046,494 | -8.0% | 1,523,753 | 5.28 |
| 2026-05-15 | 8,744,601 | +5.2% | 2,025,677 | 4.32 |
| 2026-04-30 | 8,309,598 | +13.3% | 1,184,563 | 7.01 |
| 2026-04-15 | 7,332,588 | -4.0% | 1,474,748 | 4.97 |
| 2026-03-31 | 7,639,333 | +5.3% | 1,963,239 | 3.89 |
| 2026-03-13 | 7,255,138 | -5.7% | 2,692,324 | 2.69 |
| 2026-02-27 | 7,692,689 | -14.3% | 13,246,649 | 1.00 |
| 2026-02-13 | 8,977,079 | +2.4% | 844,140 | 10.63 |
| 2026-01-30 | 8,765,467 | +2.1% | 1,400,998 | 6.26 |
| 2026-01-15 | 8,588,537 | +4.2% | 1,129,121 | 7.61 |
| 2025-12-31 | 8,240,719 | +4.0% | 1,180,422 | 6.98 |
| 2025-12-15 | 7,922,334 | -19.2% | 1,359,308 | 5.83 |
| 2025-11-28 | 9,804,662 | -2.7% | 1,491,415 | 6.57 |
| 2025-11-14 | 10,075,712 | +10.7% | 1,720,891 | 5.85 |
| 2025-10-31 | 9,103,944 | +3.3% | 1,511,713 | 6.02 |
| 2025-10-15 | 8,816,753 | -1.4% | 4,233,686 | 2.08 |
| 2025-09-30 | 8,944,347 | +16.9% | 4,969,145 | 1.80 |
| 2025-09-15 | 7,653,965 | +19.6% | 1,316,152 | 5.82 |
| 2025-08-29 | 6,402,490 | +8.6% | 1,266,950 | 5.05 |
| 2025-08-15 | 5,894,329 | -7.4% | 2,030,219 | 2.90 |
| 2025-07-31 | 6,365,303 | +3.6% | 1,279,043 | 4.98 |
| 2025-07-15 | 6,145,819 | -1.9% | 771,269 | 7.97 |
| 2025-06-30 | 6,262,837 | -3.5% | 1,497,608 | 4.18 |
| 2025-06-13 | 6,493,245 | +1.9% | 1,308,034 | 4.96 |
| 2025-05-30 | 6,373,469 | -35.2% | 1,114,815 | 5.72 |
| 2025-05-15 | 9,832,396 | +64.7% | 1,610,713 | 6.10 |
| 2025-04-30 | 5,968,450 | +6.0% | 1,261,231 | 4.73 |
| 2025-04-15 | 5,632,494 | +16.9% | 863,761 | 6.52 |
| 2025-03-31 | 4,816,732 | -5.1% | 1,179,676 | 4.08 |
| 2025-03-14 | 5,077,276 | -0.2% | 583,686 | 8.70 |
| 2025-02-28 | 5,089,276 | -5.3% | 501,479 | 10.15 |
| 2025-02-14 | 5,375,685 | +6.0% | 610,797 | 8.80 |
| 2025-01-31 | 5,070,734 | -3.2% | 570,238 | 8.89 |
| 2025-01-15 | 5,240,154 | +3.4% | 491,419 | 10.66 |
| 2024-12-31 | 5,070,190 | +13.4% | 1,493,273 | 3.40 |
| 2024-12-13 | 4,470,190 | +15.3% | 691,082 | 6.47 |
| 2024-11-29 | 3,877,818 | +17.3% | 666,574 | 5.82 |
| 2024-11-15 | 3,306,659 | +21.4% | 858,824 | 3.85 |
| 2024-10-31 | 2,724,458 | -26.6% | 646,254 | 4.22 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 2 November 2026, the short share of LRMR volume is 42.7%, up 13.1 points over the last five sessions. Over the last 30 readings it ranged from 29.7% (26 October 2026) to 83.5% (24 September 2026). The latest reading is 15.9 points below the 30-session average of 58.6%, on 199K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-11-02 | 85K | 199K | 42.7% | 0 |
| 2026-10-30 | 137K | 278K | 49.3% | 176 |
| 2026-10-29 | 211K | 306K | 69.0% | 0 |
| 2026-10-28 | 150K | 296K | 50.5% | 0 |
| 2026-10-27 | 160K | 439K | 36.5% | 0 |
| 2026-10-26 | 182K | 613K | 29.7% | 55 |
| 2026-10-23 | 231K | 385K | 60.1% | 0 |
| 2026-10-22 | 302K | 700K | 43.1% | 0 |
| 2026-10-21 | 273K | 429K | 63.7% | 353 |
| 2026-10-20 | 492K | 757K | 65.0% | 753 |
| 2026-10-19 | 236K | 411K | 57.4% | 0 |
| 2026-10-16 | 352K | 679K | 51.8% | 1,105 |
| 2026-10-15 | 528K | 1.2M | 45.1% | 2,066 |
| 2026-10-14 | 559K | 1.2M | 45.4% | 85,167 |
| 2026-10-13 | 644K | 1.4M | 45.2% | 50,525 |
| 2026-10-12 | 229K | 389K | 58.8% | 635 |
| 2026-10-09 | 294K | 450K | 65.3% | 490 |
| 2026-10-08 | 319K | 417K | 76.7% | 319 |
| 2026-10-07 | 182K | 293K | 62.3% | 783 |
| 2026-10-06 | 229K | 340K | 67.4% | 116 |
| 2026-10-05 | 227K | 401K | 56.7% | 4 |
| 2026-10-02 | 218K | 351K | 62.2% | 0 |
| 2026-10-01 | 163K | 279K | 58.3% | 31 |
| 2026-09-30 | 304K | 397K | 76.6% | 0 |
| 2026-09-29 | 240K | 328K | 73.1% | 0 |
| 2026-09-28 | 354K | 484K | 73.1% | 1,412 |
| 2026-09-25 | 1.1M | 1.4M | 83.5% | 37,320 |
| 2026-09-24 | 1.5M | 1.7M | 83.5% | 38,036 |
| 2026-09-23 | 796K | 1.1M | 75.1% | 2 |
| 2026-09-22 | 62K | 199K | 31.0% | 0 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 14 October 2026, the fails-to-deliver balance in LRMR is 49,053 shares, up 40,383 shares over the last settlement date. Over the last 30 readings it ranged from 3 shares (29 January 2026) to 57,568 shares (27 February 2026).
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-10-14 | 49,053 | $2.16 | $106K |
| 2026-10-13 | 8,670 | $2.53 | $22K |
| 2026-10-09 | 699 | $2.70 | $2K |
| 2026-08-06 | 46 | $4.10 | $189 |
| 2026-07-17 | 2,320 | $3.67 | $9K |
| 2026-07-06 | 6,000 | $3.26 | $20K |
| 2026-07-02 | 3,926 | $3.21 | $13K |
| 2026-06-30 | 1,145 | $3.20 | $4K |
| 2026-06-25 | 23,451 | $3.63 | $85K |
| 2026-06-11 | 746 | $3.44 | $3K |
| 2026-05-28 | 101 | $3.52 | $356 |
| 2026-05-26 | 89 | $3.45 | $307 |
| 2026-05-14 | 673 | $4.10 | $3K |
| 2026-05-04 | 207 | $3.94 | $816 |
| 2026-04-30 | 1,603 | $4.34 | $7K |
| 2026-04-22 | 11,983 | $4.57 | $55K |
| 2026-04-07 | 210 | $5.05 | $1K |
| 2026-04-06 | 165 | $4.79 | $790 |
| 2026-03-24 | 526 | $4.68 | $2K |
| 2026-03-20 | 100 | $4.47 | $447 |
| 2026-03-16 | 201 | $4.60 | $925 |
| 2026-03-13 | 694 | $4.77 | $3K |
| 2026-03-11 | 5,713 | $5.61 | $32K |
| 2026-03-06 | 58 | $5.22 | $303 |
| 2026-03-03 | 1,213 | $5.23 | $6K |
| 2026-03-02 | 70 | $5.31 | $372 |
| 2026-02-27 | 57,568 | $5.52 | $318K |
| 2026-02-26 | 3,833 | $5.95 | $23K |
| 2026-02-04 | 519 | $3.45 | $2K |
| 2026-01-29 | 3 | $3.68 | $11 |
Insider trades
SEC Form 4, newest first. JSONNo open-market insider trades were reported for LRMR in the last 90 days. The most recent filings are listed below. Latest filing: Harlow John B. Jr. (President and COO) on 2026-09-29.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-09-29 | Harlow John B. Jr. | President and COO | Grant | 50K | $0.00 | $0 | 50K |
| 2026-07-06 | Hamilton Thomas Edward | Director | Buy | 50K | $3.34 | $167K | 715K |
| 2026-02-27 | Deerfield Mgmt HIF, L.P. | Director,TenPercentOwner,Other | Buy | 1.1M | $5.00 | $5.4M | 10.6M |
| 2026-02-27 | Deerfield Mgmt HIF, L.P. | Director,TenPercentOwner,Other | Buy | 832K | $5.00 | $4.2M | 8.2M |
| 2026-02-27 | Deerfield Mgmt HIF, L.P. | Director,TenPercentOwner,Other | Buy | 2.0M | $5.00 | $10.0M | 6.2M |
| 2026-02-27 | Deerfield Mgmt HIF, L.P. | Director,TenPercentOwner,Other | Buy | 1.1M | $5.00 | $5.4M | 10.6M |
| 2026-02-27 | THOMAS FRANK E | Director | Buy | 5K | $5.00 | $25K | 7K |
| 2026-02-27 | SHERMAN JEFFREY W | Director | Buy | 5K | $5.00 | $25K | 5K |
| 2026-02-27 | Hamilton Thomas Edward | Director | Buy | 100K | $5.00 | $500K | 665K |
| 2026-02-27 | Flynn James E | Director, 10% owner, * Director by Deputization | Buy | 2.0M | $5.00 | $10.0M | 6.2M |
| 2026-02-27 | Flynn James E | Director, 10% owner, * Director by Deputization | Buy | 832K | $5.00 | $4.2M | 8.2M |
| 2026-02-27 | Flynn James E | Director, 10% owner, * Director by Deputization | Buy | 1.1M | $5.00 | $5.4M | 10.6M |
| 2026-02-27 | Flynn James E | Director, 10% owner, * Director by Deputization | Buy | 1.1M | $5.00 | $5.4M | 10.6M |
| 2026-01-26 | Shankar Gopi | Chief Development Officer | Grant | 26K | $0.00 | $0 | 76K |
| 2026-01-26 | Clayton Russell | Chief Medical Officer | Grant | 26K | $0.00 | $0 | 71K |
| 2026-01-26 | Celano Michael | Chief Financial Officer | Grant | 38K | $0.00 | $0 | 216K |
| 2026-01-26 | BEN-MAIMON CAROLE | President and CEO | Grant | 100K | $0.00 | $0 | 368K |
| 2025-07-31 | Deerfield Mgmt HIF, L.P. | Director,TenPercentOwner,Other | Buy | 2.6M | $3.20 | $8.3M | 7.3M |
| 2025-07-31 | Deerfield Mgmt HIF, L.P. | Director,TenPercentOwner,Other | Buy | 3.4M | $3.20 | $10.8M | 9.5M |
| 2025-07-31 | Deerfield Mgmt HIF, L.P. | Director,TenPercentOwner,Other | Buy | 3.4M | $3.20 | $10.8M | 9.5M |
| 2025-07-31 | Flynn James E | Director, 10% owner, * Director by Deputization | Buy | 2.6M | $3.20 | $8.3M | 7.3M |
| 2025-07-31 | Flynn James E | Director, 10% owner, * Director by Deputization | Buy | 3.4M | $3.20 | $10.8M | 9.5M |
| 2025-07-31 | Flynn James E | Director, 10% owner, * Director by Deputization | Buy | 3.4M | $3.20 | $10.8M | 9.5M |
| 2025-01-22 | Celano Michael | Chief Financial Officer | Grant | 34K | $0.00 | $0 | 178K |
| 2025-01-22 | BEN-MAIMON CAROLE | President and CEO | Grant | 91K | $0.00 | $0 | 387K |
| 2025-01-22 | Clayton Russell | Chief Medical Officer | Grant | 23K | $0.00 | $0 | 46K |
| 2025-01-22 | Shankar Gopi | Chief Development Officer | Grant | 23K | $0.00 | $0 | 51K |
| 2024-02-16 | Hamilton Thomas Edward | Director | Buy | 57K | $8.74 | $500K | 565K |
| 2024-02-16 | Deerfield Mgmt L.P. | Director,TenPercentOwner,Other | Buy | 1.4M | $8.74 | $12.5M | 4.2M |
| 2024-02-16 | Deerfield Mgmt L.P. | Director,TenPercentOwner,Other | Buy | 1.4M | $8.74 | $12.5M | 6.2M |
| 2024-02-14 | THOMAS FRANK E | Director | Buy | 2K | $11.00 | $22K | 2K |
| 2024-01-17 | BEN-MAIMON CAROLE | President and CEO | Grant | 66K | $0.00 | $0 | 333K |
| 2024-01-17 | Clayton Russell | Chief Medical Officer | Grant | 23K | $0.00 | $0 | 23K |
| 2024-01-17 | Celano Michael | Chief Financial Officer | Grant | 31K | $0.00 | $0 | 144K |
| 2024-01-17 | Shankar Gopi | Chief Development Officer | Grant | 23K | $0.00 | $0 | 28K |
| 2023-12-07 | Shankar Gopi | Chief Development Officer | Buy | 5K | $3.73 | $19K | 5K |
| 2023-05-17 | Truitt Joseph | Director | Buy | 3K | $3.73 | $10K | 3K |
| 2023-05-17 | BEN-MAIMON CAROLE | President and CEO | Buy | 5K | $3.71 | $19K | 267K |
| 2023-05-17 | Celano Michael | Chief Financial Officer | Buy | 5K | $3.73 | $19K | 113K |
| 2023-01-31 | BEN-MAIMON CAROLE | President and CEO | Grant | 205K | $0.00 | $0 | 262K |
| 2023-01-31 | Celano Michael | Chief Financial Officer | Grant | 76K | $0.00 | $0 | 108K |
| 2022-09-16 | BEN-MAIMON CAROLE | President and CEO | Buy | 32K | $3.15 | $100K | 57K |
| 2022-09-16 | Celano Michael | Chief Financial Officer | Buy | 32K | $3.15 | $100K | 32K |
| 2022-09-16 | Hamilton Thomas Edward | Director | Buy | 317K | $3.15 | $1000K | 508K |
| 2022-09-16 | Deerfield Mgmt HIF, L.P. | Director,TenPercentOwnerOther | Buy | 2.8M | $3.15 | $8.7M | 4.7M |
| 2021-06-30 | Hamilton Thomas Edward | Director | Buy | 57K | $8.75 | $496K | 190K |
| 2021-06-30 | Deerfield Mgmt IV, L.P. | Director,TenPercentOwnerOther | Buy | 229K | $8.75 | $2.0M | 1.9M |
| 2021-06-30 | Deerfield Mgmt IV, L.P. | Director,TenPercentOwnerOther | Buy | 229K | $8.75 | $2.0M | 1.9M |
| 2021-06-30 | Deerfield Mgmt IV, L.P. | Director,TenPercentOwnerOther | Buy | 229K | $8.75 | $2.0M | 1.9M |
| 2020-06-26 | BEN-MAIMON CAROLE | President and CEO | Other transaction | 25K | $0.00 | $0 | 25K |
| 2020-06-26 | CHONDRIAL THERAPEUTICS HOLDINGS, LLC | TenPercentOwner | Other transaction | 6.1M | $0.00 | $0 | 8 |
| 2020-06-26 | Hamilton Thomas Edward | Director | Other transaction | 133K | $0.00 | $0 | 133K |
| 2020-06-26 | Hamilton Thomas Edward | Director | Other transaction | 159K | $0.00 | $0 | 293K |
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.
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON11 holders report 5% or more of LRMR in their latest filing, 10 on Schedule 13D (active intent). The largest reported stake is Deerfield Management Company, L.P. at 34.4% of the class (35,667,474 shares), filed 2026-03-02 for an event on 2026-02-27.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-05-14 | 13G/Ano. 3 | Blue Owl Capital Holdings LPpartnership | 10.7M | 10.0% | 2026-03-31 |
| 2026-04-30 | 13G/Ano. 2 | Israel A. Englanderindividual | 3.6M | 3.5% | 2026-03-31 |
| 2026-04-30 | 13G/Ano. 2 | Millennium Group Management LLCother entity | 3.6M | 3.5% | 2026-03-31 |
| 2026-04-30 | 13G/Ano. 2 | Millennium Management LLCother entity | 3.6M | 3.5% | 2026-03-31 |
| 2026-03-02 | 13D/Ano. 11 | Deerfield Management Company, L.P.partnership | 35.7M | 34.4% | 2026-02-27 |
| 2026-03-02 | 13D/Ano. 11 | James E. Flynnindividual | 35.7M | 34.4% | 2026-02-27 |
| 2026-03-02 | 13D/Ano. 11 | Deerfield Private Design Fund IV, L.P.partnership | 10.6M | 10.3% | 2026-02-27 |
| 2026-03-02 | 13D/Ano. 11 | Deerfield Mgmt III, L.P.partnership | 10.6M | 10.3% | 2026-02-27 |
| 2026-03-02 | 13D/Ano. 11 | Deerfield Mgmt IV, L.P.partnership | 10.6M | 10.3% | 2026-02-27 |
| 2026-03-02 | 13D/Ano. 11 | Deerfield Private Design Fund III, L.P.partnership | 10.6M | 10.3% | 2026-02-27 |
| 2026-03-02 | 13D/Ano. 11 | Deerfield Healthcare Innovations Fund, L.P.partnership | 8.2M | 7.9% | 2026-02-27 |
| 2026-03-02 | 13D/Ano. 11 | Deerfield Mgmt HIF, L.P.partnership | 8.2M | 7.9% | 2026-02-27 |
| 2026-03-02 | 13D/Ano. 11 | Deerfield Mgmt, L.P.partnership | 6.2M | 6.0% | 2026-02-27 |
| 2026-03-02 | 13D/Ano. 11 | Deerfield Partners, L.P.partnership | 6.2M | 6.0% | 2026-02-27 |
| 2026-02-17 | 13G/Ano. 1 | RA Capital Management, L.P.investment adviser, partnership | 0 | 0.0% | 2025-12-31 |
| 2026-02-17 | 13G/Ano. 1 | Peter Kolchinskyparent holding company, individual | 0 | 0.0% | 2025-12-31 |
| 2026-02-17 | 13G/Ano. 1 | Rajeev Shahparent holding company, individual | 0 | 0.0% | 2025-12-31 |
| 2026-02-17 | 13G/Ano. 1 | RA Capital Healthcare Fund, L.P.partnership | 0 | 0.0% | 2025-12-31 |
13F holders
Tracked managers holding LRMR at their latest 13F. JSON6 of the 30 tracked managers held LRMR at their latest 13F, $17.8M in total at quarter-end prices. AQR Capital Management is the largest at $7.2M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 2 added shares and 4 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| AQR Capital Management | 2026-06-30 | 2.4M | $7.2M | 0.00% | +1.6M |
| Citadel Advisors | 2026-06-30 | 1.5M | $4.4M | 0.00% | +938K |
| Millennium Management | 2026-06-30 | 1.3M | $4.1M | 0.00% | -2.3M |
| Renaissance Technologies | 2026-06-30 | 297K | $907K | 0.00% | -442K |
| Two Sigma Investments | 2026-06-30 | 236K | $720K | 0.00% | -239K |
| Point72 Asset Management | 2026-06-30 | 135K | $411K | 0.00% | -913K |
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
Larimar 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 Larimar Therapeutics (LRMR), SEC CIK 1374690, listed on Nasdaq. 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
- 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 2026-05-14.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 2026-08-04.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 2026-09-29.JSON and CSV
- Company record
- EDGAR filing index for CIK 1374690Ticker, 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 LRMR is sold short?
14,662,909 shares were held short at the 2026-10-15 settlement, 8.9 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 LRMR's daily short volume?
On 2026-11-02, 84,967 of the 198,817 LRMR shares reported to FINRA were sold short, 42.7% of the day's reported volume. Short volume is a flow for one day, not a position.
Does LRMR have fails to deliver?
The SEC's latest file shows 49,053 LRMR shares failed to deliver at settlement 2026-10-14. Fails are reported per settlement date and published twice a month with a lag.
Are LRMR insiders buying or selling?
No open-market insider trades were reported for LRMR in the last 90 days. The most recent filings are listed below. Latest filing: Harlow John B. Jr. (President and COO) on 2026-09-29.
Who owns 5% or more of LRMR?
11 holders report 5% or more of LRMR in their latest filing, 10 on Schedule 13D (active intent). The largest reported stake is Deerfield Management Company, L.P. at 34.4% of the class (35,667,474 shares), filed 2026-03-02 for an event on 2026-02-27.
Which tracked 13F managers own LRMR?
6 of the 30 tracked 13F managers held LRMR shares at their latest filing, $17.8M in all. The largest: Cliff Asness's AQR Capital Management (2.4M shares, $7.2M), Ken Griffin's Citadel Advisors (1.5M shares, $4.4M), Izzy Englander's Millennium Management (1.3M shares, $4.1M), Renaissance Technologies (297K shares, $907K), Two Sigma Investments (236K shares, $720K), Steve Cohen's Point72 Asset Management (135K shares, $411K).
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.