Latest Period
Q1 2026
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
78
Shares (Excl. Options)
32,289,057
Price
$6.85
Save this security page for your next review
Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Symbol
- CLYM on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 32,289,057
- Total 13F value
- $221,168,507
- Portfolio coverage rank
- 0%
- Share change
- +3,909,342
- Value change
- +$28,129,270
- Number of holders
- 78
- Shares outstanding
- 68,580,003
- SEC-reported price per share
- $9.88
- Insider filing price
- $9.88
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- CLYM - Climb Bio, Inc. - Common Stock, par value $0.0001 per share is tracked under CUSIP 28658R106.
- 78 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 64 to 78 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $114,993,449 to $221,168,507.
Research use
- 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.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 78 institutions filings for Q1 2026.
Security key
28658R106
Latest holder period
Q1 2026
13F holders
78
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
CLYM full holder history
Climb Bio, Inc. SEC filings
Climb Bio, Inc. company facts
Climb Bio, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 28658R106:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
CLYM
| 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 Mar 2026, 78 institutional investors reported holding 32,289,057 shares of Climb Bio, Inc. - Common Stock, par value $0.0001 per share (CLYM). This represents 47% of the company’s total 68,580,003 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
43%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 16% | 11,300,939 | +28% | 0.82% | $77,411,432 |
| MPM BIOIMPACT LLC | 3.8% | 2,593,439 | -2.9% | 1.4% | $17,765,057 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 2.8% | 1,916,968 | -0.35% | 0% | $13,132,000 |
| BRAIDWELL LP | 2.2% | 1,529,675 | 0.35% | $10,478,274 | |
| GREAT POINT PARTNERS LLC | 1.9% | 1,334,130 | +36% | 2.2% | $9,138,791 |
| MILLENNIUM MANAGEMENT LLC | 1.9% | 1,276,260 | +331% | 0.01% | $8,742,381 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.7% | 1,178,659 | 0% | 0% | $8,073,814 |
| Kynam Capital Management, LP | 1.5% | 1,003,341 | -2.4% | 0.44% | $6,872,886 |
| MARSHALL WACE, LLP | 1.1% | 773,123 | +154% | 0.01% | $5,295,892 |
| Affinity Asset Advisors, LLC | 1% | 700,000 | -46% | 0.28% | $4,795,000 |
| SILVERARC CAPITAL MANAGEMENT, LLC | 1% | 684,908 | 0.55% | $4,691,620 | |
| Driehaus Capital Management LLC | 0.88% | 600,946 | 0% | 0.03% | $4,116,480 |
| ADAR1 Capital Management, LLC | 0.87% | 597,662 | -58% | 0.25% | $4,093,985 |
| NAN FUNG TRINITY (HK) LTD | 0.61% | 420,517 | -9.3% | 0.32% | $2,880,541 |
| SPHERA FUNDS MANAGEMENT LTD. | 0.61% | 419,247 | -55% | 0.49% | $2,871,842 |
| BlackRock, Inc. | 0.59% | 401,649 | +3.2% | 0% | $2,751,296 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.56% | 387,403 | -13% | 0% | $2,653,711 |
| CITADEL ADVISORS LLC | 0.5% | 345,663 | +45% | 0% | $2,367,791 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.46% | 312,999 | +0.72% | 0% | $2,145,106 |
| TWO SIGMA INVESTMENTS, LP | 0.45% | 310,606 | -45% | 0% | $2,127,651 |
| DIADEMA PARTNERS LP | 0.42% | 286,126 | 0.88% | $1,959,963 | |
| TD Asset Management Inc | 0.36% | 250,102 | +1.6% | 0% | $1,713,199 |
| MORGAN STANLEY | 0.34% | 234,182 | +58% | 0% | $1,604,148 |
| Longaeva Partners L.P. | 0.32% | 217,768 | 0.07% | $1,491,711 | |
| RENAISSANCE TECHNOLOGIES LLC | 0.32% | 217,300 | -32% | 0% | $1,488,505 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
19
Latest
Q1 2026
Rows shown
1-19 of 19
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 32,289,057 | $221,168,507 | +$28,129,270 | $6.85 | 78 |
| 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 |