LRMR — LARIMAR THERAPEUTICS INC
As of Q2 2026, 29 SEC-registered investment managers reported holding LRMR (LARIMAR THERAPEUTICS INC) in their latest 13F filings, with a combined reported value of $61.97M across 20.36M shares. That is +20.0% by share count (+3.39M shares) versus the previous quarter, while reported value moved -18.7%. Ownership is concentrated: the five largest holders account for 67.0% of reported value and the top ten for 90.9%.
Compared with the prior quarter, 2 opened new positions, 19 added to existing stakes, 7 trimmed, 2 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
LRMR is classified in the Health Care sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| BlackRock Inc history | Q2 2026 | 5.68M | $17.32M | 0.00% | Add |
| Janus Henderson Group history | Q1 2025 | 5.57M | $13.07M | 0.01% | Reduce |
| Vanguard Group history | Q4 2025 | 3.05M | $11.61M | 0.00% | Reduce |
| AQR Capital Management history | Q2 2026 | 2.37M | $7.23M | 0.00% | Add |
| Marshall Wace history | Q2 2026 | 2.01M | $6.14M | 0.01% | Add |
| Goldman Sachs Group history | Q2 2026 | 1.84M | $5.62M | 0.00% | Add |
| Citadel Advisors history | Q2 2026 | 1.72M | $5.24M | 0.00% | Add |
| Geode Capital Management history | Q2 2026 | 1.68M | $5.12M | 0.00% | Add |
| Millennium Management history | Q2 2026 | 1.33M | $4.07M | 0.00% | Reduce |
| Fidelity Management & Research (FMR) history | Q2 2026 | 937.37K | $2.86M | 0.00% | Add |
| D. E. Shaw & Co history | Q1 2026 | 575.62K | $2.59M | 0.00% | Add |
| Northern Trust Corp history | Q2 2026 | 550.27K | $1.68M | 0.00% | Add |
| JPMorgan Chase & Co history | Q2 2026 | 328.01K | $1.05M | 0.00% | New |
| Renaissance Technologies history | Q2 2026 | 297.44K | $907.20K | 0.00% | Reduce |
| Two Sigma Investments history | Q2 2026 | 236.13K | $720.21K | 0.00% | Reduce |
| Charles Schwab Investment Management history | Q2 2026 | 206.97K | $631.25K | 0.00% | Add |
| Wellington Management Group history | Q1 2026 | 136.53K | $614.39K | 0.00% | New |
| UBS Group AG history | Q2 2026 | 144.33K | $440.19K | 0.00% | Add |
| BNY Mellon history | Q2 2026 | 138.83K | $423.44K | 0.00% | Add |
| Point72 Asset Management history | Q2 2026 | 134.81K | $411.16K | 0.00% | Reduce |
New Positions (Q2 2026)
- JPMorgan Chase & Co 328.01K sh · $1.05M
- Balyasny Asset Management 17.01K sh · $51.87K
Fully Exited (vs previous quarter)
- D. E. Shaw & Co sold 575.62K sh · $2.59M
- Wellington Management Group sold 136.53K sh · $614.39K
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q3 2021 | Q4 2021 | Q1 2022 | Q2 2022 | Q3 2022 | Q4 2022 | Q1 2023 | Q2 2023 | Q3 2023 | Q4 2023 | Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BlackRock Inc | — | — | — | — | — | — | — | — | — | — | — | — | 2.97M | 3.27M | 3.12M | 3.04M | 3.34M | 3.68M | 3.75M | 5.68M |
| AQR Capital Management | — | — | — | — | — | — | — | — | — | — | — | 15.63K | 15.71K | — | 112.23K | 428.49K | 562.40K | 502.25K | 817.52K | 2.37M |
| Marshall Wace | 26.59K | 11.39K | — | — | 38.71K | — | 58.91K | — | — | — | 99.79K | 95.21K | 72.49K | 110.30K | — | — | — | — | 933.46K | 2.01M |
| Goldman Sachs Group | 13.05K | — | — | — | 60.93K | 112.69K | 176.88K | 135.10K | 135.60K | 133.87K | 3.42M | 4.33M | 4.25M | 4.15M | 2.67M | 131.62K | 1.58M | 1.35M | 1.65M | 1.84M |
| Citadel Advisors | 309.26K | — | 30.70K | 23.88K | 15.60K | 560.47K | 677.14K | 1.18M | 984.29K | 684.86K | 1.29M | 42.99K | 92.31K | 58.00K | 501.09K | 1.45M | 1.87M | 1.38M | 600.13K | 1.72M |
| Geode Capital Management | 114.06K | 113.89K | 113.89K | 113.89K | 113.89K | 230.79K | 271.96K | 536.56K | 616.31K | 647.72K | 869.38K | 1.14M | 901.26K | 886.41K | 907.96K | 904.42K | 1.02M | 1.09M | 1.11M | 1.68M |
| Millennium Management | — | — | — | — | 62.84K | 206.58K | 427.61K | 114.74K | — | — | 782.27K | 1.02M | 763.86K | 254.95K | 673.01K | 3.66M | 5.08M | 5.21M | 3.63M | 1.33M |
| Fidelity Management & Research (FMR) | — | — | — | — | — | — | — | 212 | 397 | 576 | 716 | 525.72K | 526.75K | 44.20K | 1.31K | 13.83K | 14.35K | 12.88K | 63.57K | 937.37K |
| Northern Trust Corp | 23.50K | 21.33K | 21.33K | 21.33K | 21.33K | 50.26K | 50.53K | 209.10K | 236.76K | 268.29K | 295.42K | 298.89K | 346.53K | 376.46K | 365.67K | 343.98K | 378.31K | 356.77K | 376.50K | 550.27K |
| JPMorgan Chase & Co | 1.11K | 1.58K | 2.10K | 2.00K | 1.13K | 44.79K | 671.86K | 62.01K | 27.71K | 60.50K | 70.00K | 18.35K | 21.77K | 24.45K | 64.62K | 55.65K | 25.26K | 24.86K | — | 328.01K |
| Renaissance Technologies | 246.27K | 192.77K | 172.74K | 175.54K | 296.37K | 228.77K | 182.74K | 281.57K | 245.34K | 247.04K | 503.44K | 278.34K | 353.84K | 513.54K | 974.97K | 561.74K | 858.64K | 297.27K | 739.94K | 297.44K |
| Two Sigma Investments | 30.61K | 18.71K | 28.41K | 22.71K | 75.94K | 117.41K | 213.00K | 182.82K | 61.92K | 34.03K | 210.47K | 150.66K | 119.51K | 85.79K | 394.75K | 903.61K | 134.73K | 295.18K | 475.61K | 236.13K |
| Charles Schwab Investment Management | — | — | — | — | — | 15.14K | 15.14K | 73.76K | 73.76K | 73.76K | 83.01K | 128.09K | 125.13K | 125.13K | 100.46K | 111.40K | 162.11K | 162.11K | 145.34K | 206.97K |
| UBS Group AG | 8 | 1.12K | 1.73K | 601 | 3.35K | 72 | 5.94K | 28.68K | 14.05K | 28.04K | 26.60K | 17.67K | 19.87K | 53.13K | 44.91K | 108.34K | 258.00K | 114.58K | 29.70K | 144.33K |
| BNY Mellon | 18.97K | 18.97K | 18.97K | 18.97K | 18.97K | 28.82K | 28.82K | 97.84K | 97.84K | 96.76K | 85.78K | 134.88K | 98.63K | 100.45K | 100.45K | 99.89K | 111.04K | 115.93K | 107.33K | 138.83K |
| Point72 Asset Management | 196.90K | 196.90K | — | — | 475.00K | 475.00K | 455.00K | 839.00K | 455.00K | 450.40K | 438.40K | 603.58K | 207.10K | — | — | — | 1.22M | 1.46M | 1.05M | 134.81K |
| Invesco Ltd | — | — | — | — | — | — | — | — | — | 12.26K | 11.82K | 441.29K | 13.47K | 16.26K | 16.11K | 15.20K | 17.76K | 18.40K | 19.65K | 134.48K |
| Prudential Financial | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 38.09K | — | 32.79K | 128.42K |
| Deutsche Bank AG | — | — | — | — | — | — | 255.59K | 255.59K | — | 272.37K | 271.92K | 274.58K | 282.06K | 44.05K | 40.04K | 39.03K | 55.00K | 34.39K | 93.13K | 96.42K |
| Morgan Stanley | 35.06K | 11.79K | 529.98K | 529.81K | 530.29K | 540.84K | 64.39K | 32.39K | 24.33K | 56.21K | 47.29K | 53.61K | 149.23K | 170.18K | 411.38K | 169.04K | 93.00K | 135.98K | 420.81K | 86.86K |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details