| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 33% | $36,086,101 | 17,953,284 | RA Capital Management, L.P. | 11 Dec 2025 | |||
| Pontifax Management 4 G.P. (2015) Ltd. | 7.7% | $12,911,822 | 5,206,380 | Pontifax VI G.P. L.P. | 27 Jun 2024 |
As of 30 Sep 2025, 66 institutional investors reported holding 44,576,107 shares of CLIMB BIO, INC. - Common Stock, par value $0.0001 per share (CLYM). This represents 82% of the company’s total 54,403,891 outstanding shares.
The largest institutional shareholders of CLIMB BIO, INC. - Common Stock, par value $0.0001 per share (CLYM) together control 80% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 58% | 31,419,267 | 0% | 0.78% | $63,152,727 |
| VANGUARD GROUP INC | 2.4% | 1,315,811 | -1.2% | 0% | $2,644,780 |
| Affinity Asset Advisors, LLC | 2.4% | 1,300,000 | -13% | 0.24% | $2,613,000 |
| Kynam Capital Management, LP | 1.9% | 1,028,341 | 0% | 0.15% | $2,066,965 |
| TANG CAPITAL MANAGEMENT LLC | 1.8% | 1,000,000 | 0% | 0.08% | $2,010,000 |
| BlackRock, Inc. | 1.4% | 735,503 | -16% | 0% | $1,478,360 |
| Peapod Lane Capital LLC | 1% | 561,866 | +1.1% | 1% | $1,129,059 |
| CANTOR FITZGERALD, L. P. | 1% | 547,173 | -78% | 0.02% | $1,099,818 |
| RENAISSANCE TECHNOLOGIES LLC | 0.99% | 537,100 | +8.4% | 0% | $1,079,571 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 0.97% | 526,917 | -3.8% | 0% | $1,060,000 |
| Deep Track Capital, LP | 0.94% | 509,789 | -51% | 0.03% | $1,024,676 |
| Alyeska Investment Group, L.P. | 0.89% | 485,364 | 0% | 0% | $975,582 |
| MILLENNIUM MANAGEMENT LLC | 0.87% | 471,704 | -1.7% | 0% | $948,125 |
| NAN FUNG TRINITY (HK) LTD | 0.85% | 463,654 | 0% | 0.09% | $931,945 |
| SPHERA FUNDS MANAGEMENT LTD. | 0.8% | 434,837 | +107% | 0.21% | $874,022 |
| UBS Group AG | 0.75% | 405,404 | +6% | 0% | $814,862 |
| CITIGROUP INC | 0.61% | 329,548 | -80% | 0% | $662,392 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.57% | 311,721 | 0% | 0% | $626,870 |
| MARSHALL WACE, LLP | 0.42% | 229,889 | +526% | 0% | $462,077 |
| Shay Capital LLC | 0.28% | 150,000 | -64% | 0.05% | $301,500 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.26% | 142,450 | +128% | 0% | $286,325 |
| DIADEMA PARTNERS LP | 0.25% | 136,488 | -81% | 0.19% | $274,341 |
| ADAR1 Capital Management, LLC | 0.25% | 133,530 | +12% | 0.03% | $268,395 |
| NORTHERN TRUST CORP | 0.23% | 125,423 | -11% | 0% | $252,100 |
| TWO SIGMA INVESTMENTS, LP | 0.21% | 112,681 | -37% | 0% | $226,489 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q3 | 44,576,107 | $89,598,934 | -$10,311,691 | $2.01 | 66 |
| 2025 Q2 | 49,893,947 | $61,871,600 | -$2,503,053 | $1.24 | 68 |
| 2025 Q1 | 51,939,064 | $63,368,459 | -$8,741,675 | $1.22 | 76 |
| 2024 Q4 | 55,704,708 | $100,269,759 | -$19,354,243 | $1.80 | 77 |
| 2024 Q3 | 54,655,767 | $278,130,064 | +$14,600,374 | $5.09 | 69 |
| 2024 Q2 | 49,901,732 | $354,802,230 | +$245,139,552 | $7.11 | 46 |
| 2024 Q1 | 16,843,283 | $46,149,398 | +$5,261 | $2.74 | 19 |
| 2023 Q4 | 16,853,724 | $45,505,627 | +$348,407 | $2.70 | 22 |
| 2023 Q3 | 16,728,590 | $43,997,383 | -$6,830 | $2.63 | 22 |
| 2023 Q2 | 16,730,361 | $46,844,345 | +$79,299 | $2.80 | 21 |
| 2023 Q1 | 16,702,070 | $48,434,001 | +$194,588 | $2.90 | 19 |
| 2022 Q4 | 16,628,134 | $61,000,699 | -$1,790 | $3.67 | 20 |
| 2022 Q3 | 14,807,225 | $47,821,510 | -$981,140 | $3.23 | 20 |
| 2022 Q2 | 15,120,922 | $45,670,000 | -$21,550,941 | $3.02 | 21 |
| 2022 Q1 | 17,488,772 | $146,733,000 | +$663,192 | $8.39 | 40 |
| 2021 Q4 | 17,363,015 | $181,615,000 | +$167,770 | $10.46 | 33 |
| 2021 Q3 | 17,279,143 | $310,678,000 | +$310,678,285 | $17.98 | 32 |