Latest Period
Q4 2025
Security Snapshot
Climb Bio, Inc. - Common Stock, par value $0.0001 per share (CLYM) Institutional Ownership
CUSIP: 28658R106
13F Institutional Holders and Ownership History from Q3 2021 to Q1 2026
Institutions Reporting
64
Shares (Excl. Options)
28,744,224
Price
$4.00
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- Type / Class
- Equity / Common Stock, par value $0.0001 per share
- Symbol
- CLYM on Nasdaq
- Shares outstanding
- 68,580,003
- Price per share
- $6.85
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 28,744,224
- Total reported value
- $114,993,449
- % of total 13F portfolios
- 0%
- Share change
- -16,417,384
- Value change
- -$59,773,343
- Number of holders
- 64
- Price from insider filings
- $6.85
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- CLYM - Climb Bio, Inc. - Common Stock, par value $0.0001 per share is tracked under CUSIP 28658R106.
- 64 institutions reported positions in Q4 2025.
- 3 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 64 to 2 between Q4 2025 and Q1 2026.
- Reported value moved from $114,993,449 to $4,555.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 64 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 28658R106?
CUSIP 28658R106 identifies CLYM - Climb Bio, Inc. - Common Stock, par value $0.0001 per share in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 28658R106:
Significant Owners of Climb Bio, Inc. - Common Stock, par value $0.0001 per share (CLYM) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 33% | 0% | $154,975,308 | +$32,034,810 | 22,631,401 | +26% | RA Capital Management, L.P. | 27 Apr 2026 |
| Pontifax Management 4 G.P. (2015) Ltd. | 7.7% | $12,911,822 | 5,206,380 | Pontifax VI G.P. L.P. | 27 Jun 2024 | |||
| MPM BioImpact LLC | 5.6% | $13,437,544 | 2,671,480 | MPM BioImpact LLC | 31 Dec 2025 |
As of 31 Dec 2025, 64 institutional investors reported holding 28,744,224 shares of Climb Bio, Inc. - Common Stock, par value $0.0001 per share (CLYM). This represents 42% of the company’s total 68,580,003 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of Climb Bio, Inc. - Common Stock, par value $0.0001 per share (CLYM) together control 39% 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. | 13% | 8,813,956 | -72% | 0.36% | $35,255,824 |
| MPM BIOIMPACT LLC | 3.9% | 2,671,480 | 1.2% | $10,685,920 | |
| PRICE T ROWE ASSOCIATES INC /MD/ | 2.8% | 1,923,639 | +265% | 0% | $7,695,000 |
| ADAR1 Capital Management, LLC | 2.1% | 1,432,475 | +973% | 0.43% | $5,729,900 |
| VANGUARD GROUP INC | 2% | 1,340,504 | +1.9% | 0% | $5,362,016 |
| Affinity Asset Advisors, LLC | 1.9% | 1,300,000 | 0% | 0.37% | $5,200,000 |
| Kynam Capital Management, LP | 1.5% | 1,028,341 | 0% | 0.27% | $4,113,364 |
| GREAT POINT PARTNERS LLC | 1.4% | 979,534 | 1.3% | $3,918,136 | |
| SPHERA FUNDS MANAGEMENT LTD. | 1.4% | 932,247 | +114% | 0.78% | $3,728,988 |
| Point72 Asset Management, L.P. | 1% | 716,680 | 0% | $2,866,720 | |
| Driehaus Capital Management LLC | 0.88% | 600,946 | 0.02% | $2,403,784 | |
| TWO SIGMA INVESTMENTS, LP | 0.83% | 566,712 | +403% | 0% | $2,266,848 |
| Peapod Lane Capital LLC | 0.83% | 565,992 | +0.73% | 1.9% | $2,263,968 |
| NAN FUNG TRINITY (HK) LTD | 0.68% | 463,654 | 0% | 0.15% | $1,854,616 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.65% | 445,342 | +213% | 0% | $1,781,368 |
| KOTLER KEVIN | 0.58% | 400,000 | 0% | 1.2% | $1,600,000 |
| BlackRock, Inc. | 0.57% | 389,309 | -47% | 0% | $1,557,236 |
| RENAISSANCE TECHNOLOGIES LLC | 0.47% | 320,600 | -40% | 0% | $1,282,400 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.45% | 310,756 | -0.31% | 0% | $1,243,615 |
| MARSHALL WACE, LLP | 0.44% | 304,015 | +32% | 0% | $1,216,060 |
| MILLENNIUM MANAGEMENT LLC | 0.43% | 296,314 | -37% | 0% | $1,185,256 |
| TD Asset Management Inc | 0.36% | 246,200 | +175% | 0% | $984,800 |
| CITADEL ADVISORS LLC | 0.35% | 239,043 | 0% | $956,172 | |
| GOLDMAN SACHS GROUP INC | 0.33% | 224,883 | +205% | 0% | $899,532 |
| 683 Capital Management, LLC | 0.29% | 201,652 | 0.07% | $806,608 |
Institutional Holders of Climb Bio, Inc. - Common Stock, par value $0.0001 per share (CLYM) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 665 | $4,555 | -$98,593 | $6.85 | 2 |
| 2025 Q4 | 28,744,224 | $114,993,449 | -$59,773,343 | $4.00 | 64 |
| 2025 Q3 | 44,576,107 | $89,598,934 | -$10,311,694 | $2.01 | 66 |
| 2025 Q2 | 49,893,947 | $61,871,600 | -$2,503,034 | $1.24 | 68 |
| 2025 Q1 | 51,939,064 | $63,368,269 | -$8,741,696 | $1.22 | 76 |
| 2024 Q4 | 55,706,408 | $100,272,719 | -$19,354,214 | $1.80 | 78 |
| 2024 Q3 | 54,655,767 | $278,130,509 | +$14,600,273 | $5.09 | 69 |
| 2024 Q2 | 49,901,732 | $354,801,793 | +$245,093,722 | $7.11 | 46 |
| 2024 Q1 | 16,855,387 | $46,194,788 | +$5,051 | $2.74 | 20 |
| 2023 Q4 | 16,853,724 | $45,505,627 | +$348,407 | $2.70 | 22 |
| 2023 Q3 | 16,728,590 | $43,997,383 | -$6,828 | $2.63 | 22 |
| 2023 Q2 | 16,730,361 | $46,844,345 | +$79,298 | $2.80 | 21 |
| 2023 Q1 | 16,702,070 | $48,434,001 | +$194,589 | $2.90 | 19 |
| 2022 Q4 | 16,628,134 | $61,000,699 | +$90,854 | $3.67 | 20 |
| 2022 Q3 | 14,807,225 | $47,821,510 | -$982,037 | $3.23 | 20 |
| 2022 Q2 | 15,127,218 | $45,689,000 | -$21,553,504 | $3.02 | 22 |
| 2022 Q1 | 17,488,772 | $146,733,000 | +$663,723 | $8.39 | 40 |
| 2021 Q4 | 17,373,074 | $181,720,000 | +$142,325 | $10.46 | 34 |
| 2021 Q3 | 17,279,112 | $310,677,000 | +$310,677,000 | $17.98 | 31 |