Vault-13

CLIMB BIO INC CLYM

COM · Common Stock · CUSIP 28658R106

65 institutional holders -3 vs Q3 2025
31,248,90931.2m shares reported held*
45.8% of all shares outstanding*
$157.5mreported value*
14 new 21 added 21 reduced 18 sold out net sold ≈ $23.2m (-13.9m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 68.2m as of 2025-10-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $5.04.

Trends to Q4 2025

Institutional holders

Managers reporting a position, each quarter

050100Q3 22: 23Q4 22: 21Q1 23: 20Q2 23: 23Q3 23: 24Q4 23: 24Q1 24: 22Q2 24: 48Q3 24: 72Q4 24: 81Q1 25: 77Q2 25: 70Q3 25: 68Q4 25: 6565Q3 22Q2 23Q1 24Q4 24Q4 25
Numbers
QuarterHolders
Q3 202223
Q4 202221
Q1 202320
Q2 202323
Q3 202324
Q4 202324
Q1 202422
Q2 202448
Q3 202472
Q4 202481
Q1 202577
Q2 202570
Q3 202568
Q4 202565

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q1 24: 8 bought or addedQ1 24: 7 cut or sold outQ2 24: 40 bought or addedQ2 24: 9 cut or sold outQ2 24Q3 24: 57 bought or addedQ3 24: 14 cut or sold outQ4 24: 46 bought or addedQ4 24: 30 cut or sold outQ4 24Q1 25: 33 bought or addedQ1 25: 35 cut or sold outQ2 25: 38 bought or addedQ2 25: 48 cut or sold outQ2 25Q3 25: 24 bought or addedQ3 25: 47 cut or sold outQ4 25: 35 bought or addedQ4 25: 39 cut or sold outQ4 25
Numbers
QuarterBought or addedCut or sold out
Q1 202487
Q2 2024409
Q3 20245714
Q4 20244630
Q1 20253335
Q2 20253848
Q3 20252447
Q4 20253539

Biggest buyers

MPM BIOIMPACT LLC New +2,671,480+2.7m
PRICE T ROWE ASSOCIATES INC /MD/ Added +1,396,722+1.4m
ADAR1 Capital Management, LLC Added +1,298,945+1.3m
GREAT POINT PARTNERS LLC New +979,534+979.5k
Point72 Asset Management, L.P. New +716,680+716.7k
Driehaus Capital Management LLC New +600,946+600.9k
SPHERA FUNDS MANAGEMENT LTD. Added +497,410+497.4k
TWO SIGMA INVESTMENTS, LP Added +454,031+454.0k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added +302,892+302.9k
CITADEL ADVISORS LLC New +239,043+239.0k

Biggest sellers

RA CAPITAL MANAGEMENT, L.P. Reduced -20,125,439-20.1m
TANG CAPITAL MANAGEMENT LLC Sold out -1,000,000-1.0m
CANTOR FITZGERALD, L. P. Sold out -547,173-547.2k
Deep Track Capital, LP Sold out -509,789-509.8k
Alyeska Investment Group, L.P. Sold out -485,364-485.4k
BlackRock, Inc. Reduced -346,194-346.2k
UBS Group AG Reduced -334,081-334.1k
CITIGROUP INC Reduced -319,217-319.2k
RENAISSANCE TECHNOLOGIES LLC Reduced -216,500-216.5k
MILLENNIUM MANAGEMENT LLC Reduced -175,390-175.4k

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
RA CAPITAL MANAGEMENT, L.P. 13D · may seek influence no change · filed 2026-07-07
Stated purposeItem 4 of the Statement is hereby amended and supplemented as follows: On June 29, 2026 Dr. Breanna Celebi (O'Reilly), an Analyst of RA Capital, was appointed to the Board of Directors of the Issuer as the designee of RA Capital, replacing Dr. Andrew Levin, who resigned from the Board of Directors effective June 29, 2026. Full filing
33.0% no change 23.2m≈ $271.9m 2026-07-07
FMR LLC 13G · institution new · filed 2026-07-08 11.9% new 6.8m≈ $88.5m 2026-07-08
Pontifax Management 4 G.P. (2015) Ltd. 13G · passive investor new · filed 2025-09-18 7.7% new 5.2m≈ $63.4m 2025-09-18
Flynn James E 13G · passive investor new · filed 2026-10-28 5.2% new 3.1m≈ $40.0m 2026-10-28
BlackRock, Inc. 13G · institution new · filed 2026-10-27 5.0% new 2.9m≈ $37.8m 2026-10-27

Fell to 5% or below in the last year: MPM BioImpact LLC (0.0%, 2026-08-14)

Insider purchases and sales in Q4 2025

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
202Q1 24: 0 buyingQ1 24: 0 sellingQ2 24: 1 buyingQ2 24: 1 sellingQ2 24Q3 24: 0 buyingQ3 24: 2 sellingQ4 24: 0 buyingQ4 24: 1 sellingQ4 24Q1 25: 0 buyingQ1 25: 1 sellingQ2 25: 0 buyingQ2 25: 2 sellingQ2 25Q3 25: 0 buyingQ3 25: 0 sellingQ4 25: 1 buyingQ4 25: 0 sellingQ4 25
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q1 20240—0——
Q2 20241$50.0m1$9.0k—
Q3 20240—2$3.5m$9.7k
Q4 20240—1$2.5k$2.5k
Q1 20250—1$1.6k$1.6k
Q2 20250—2$26.7k$26.7k
Q3 20250—0——
Q4 20251$754.7k0——
DateInsiderTradeSharesPrice ValueTheir holding
2025-12-12 RA Capital Healthcare Fund LP +6 Director · See footnotes Bought 101,462 $2.86 $290.2k101.5k shares +3%
2025-12-11 RA Capital Healthcare Fund LP +6 Director · See footnotes Bought 213,099 $2.18 $464.6k213.1k shares +7%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q4 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 RA CAPITAL MANAGEMENT, L.P. 0.80% of their portfolio BOSTON, MA 11,293,82811.3m $77.7m $77.7m 0.80% Reduced -20.1m -20,125,439
2 MPM BIOIMPACT LLC 1.22% of their portfolio BOSTON, MA 2,671,4802.7m $10.7m $10.7m 1.22% New
3 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 1,923,6391.9m $7.7m $7.7m 0.00% Added +1.4m +1,396,722
4 ADAR1 Capital Management, LLC 0.43% of their portfolio AUSTIN, TX 1,432,4751.4m $5.7m $5.7m 0.43% Added +1.3m +1,298,945
5 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 1,340,5041.3m $5.4m $5.4m 0.00% Added +24.7k +24,693
6 Affinity Asset Advisors, LLC 0.37% of their portfolio NEW YORK, NY 1,300,0001.3m $5.2m $5.2m 0.37% Unchanged
7 Kynam Capital Management, LP 0.27% of their portfolio PRINCETON, NJ 1,028,3411.0m $4.1m $4.1m 0.27% Unchanged
8 GREAT POINT PARTNERS LLC 1.27% of their portfolio Greenwich, CT 979,534979.5k $3.9m $3.9m 1.27% New
9 SPHERA FUNDS MANAGEMENT LTD. 0.78% of their portfolio TEL AVIV, L3 932,247932.2k $3.7m $3.7m 0.78% Added +497.4k +497,410
10 Point72 Asset Management, L.P. 0.00% of their portfolio STAMFORD, CT 716,680716.7k $2.9m $2.9m 0.00% New
11 Driehaus Capital Management LLC 0.02% of their portfolio Chicago, IL 600,946600.9k $2.4m $2.4m 0.02% New
12 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 566,712566.7k $2.3m $2.3m 0.00% Added +454.0k +454,031
13 Peapod Lane Capital LLC 1.93% of their portfolio Bedford Hills, NY 565,992566.0k $2.3m $2.3m 1.93% Added +4.1k +4,126
14 NAN FUNG TRINITY (HK) LTD 0.15% of their portfolio CENTRAL, HONG KONG, K3 463,654463.7k $1.9m $1.9m 0.15% Unchanged
15 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 445,342445.3k $1.8m $1.8m 0.00% Added +302.9k +302,892
16 KOTLER KEVIN 1.18% of their portfolio MELVILLE, NY 400,000400.0k $1.6m $1.6m 1.18% First filing
17 BlackRock, Inc. 0.00% of their portfolio New York, NY 389,309389.3k $1.6m $1.6m 0.00% Reduced -346.2k -346,194
18 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 320,600320.6k $1.3m $1.3m 0.00% Reduced -216.5k -216,500
19 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 310,756310.8k $1.2m $1.2m 0.00% Reduced -965 -965
20 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 304,015304.0k $1.2m $1.2m 0.00% Added +74.1k +74,126
21 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 296,314296.3k $1.2m $1.2m 0.00% Reduced -175.4k -175,390
22 TD Asset Management Inc 0.00% of their portfolio Toronto, A6 246,200246.2k $984.8k $984.8k 0.00% Added +156.8k +156,800
23 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 239,043239.0k $956.2k $956.2k 0.00% New
24 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 224,883224.9k $899.5k $899.5k 0.00% Added +151.2k +151,168
25 683 Capital Management, LLC 0.07% of their portfolio NEW YORK, NY 201,652201.7k $806.6k $806.6k 0.07% New
26 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 187,403187.4k $749.6k $749.6k 0.00% Added +107.7k +107,749
27 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio HOUSTON, TX 159,300159.3k $637.2k $637.2k 0.01% Added +50.0k +50,000
28 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 148,538148.5k $594.2k $594.2k 0.00% Added +62.2k +62,204
29 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 140,617140.6k $566.6k $566.6k 0.00% Added +101.7k +101,717
30 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 139,529139.5k $558.1k $558.1k 0.00% New
31 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 128,900128.9k $515.6k $515.6k 0.00% Added +25.8k +25,800
32 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 124,700124.7k $498.8k $498.8k 0.00% Added +43.8k +43,800
33 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 124,670124.7k $498.7k $498.7k 0.00% Reduced -753 -753
34 ArchPoint Investors 0.12% of their portfolio CORAL GABLES, FL 121,400121.4k $485.6k $485.6k 0.12% New
35 Squadron Capital Management LLC 0.18% of their portfolio OAK BROOK, IL 100,000100.0k $400.0k $400.0k 0.18% First filing
36 OMERS ADMINISTRATION Corp 0.00% of their portfolio TORONTO, A6 85,46685.5k $341.9k $341.9k 0.00% New
37 Seven Fleet Capital Management LP 0.21% of their portfolio MOUNTAIN VIEW, CA 76,40076.4k $305.6k $305.6k 0.21% First filing
38 UBS Group AG 0.00% of their portfolio ZURICH, V8 71,32371.3k $285.3k $285.3k 0.00% Reduced -334.1k -334,081
39 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 62,00062.0k $248.0k $248.0k 0.00% Added +1.0k +1,000
40 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 61,85361.9k $247.4k $247.4k 0.00% Added +37.1k +37,100
41 HSBC HOLDINGS PLC 0.00% of their portfolio LONDON, X0 49,48849.5k $198.4k $198.4k 0.00% Added +37.5k +37,544
42 Hudson Bay Capital Management LP 0.00% of their portfolio STAMFORD, CT 48,73648.7k $194.9k $194.9k 0.00% New
43 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 34,85234.9k $139.4k $139.4k 0.00% Added +5.7k +5,668
44 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 34,59634.6k $138.4k $138.4k 0.00% Reduced -2.0k -2,006
45 CITIZENS FINANCIAL GROUP INC/RI 0.00% of their portfolio PROVIDENCE, RI 28,16828.2k $112.7k $112.7k 0.00% Reduced -17.8k -17,832
46 PRELUDE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio NEW YORK, NY 19,91819.9k $79.7k $79.7k 0.01% Reduced -20.8k -20,800
47 Balyasny Asset Management L.P. 0.00% of their portfolio Chicago, IL 14,23614.2k $56.9k $56.9k 0.00% New
48 Vanguard Personalized Indexing Management, LLC 0.00% of their portfolio OAKLAND, CA 11,12711.1k $44.5k $44.5k 0.00% Reduced -3.4k -3,419
49 BLAIR WILLIAM & CO/IL 0.00% of their portfolio CHICAGO, IL 11,00011.0k $44.0k $44.0k 0.00% New
50 Chicago Partners Investment Group LLC 0.00% of their portfolio CHICAGO, IL 10,96211.0k $55.0k $55.0k 0.00% Added +630 +630
51 Virtu Financial LLC 0.00% of their portfolio New York, NY 10,65510.7k $43.0k $43.0k 0.00% New
52 Scientech Research LLC 0.03% of their portfolio JERSEY CITY, NJ 10,42810.4k $41.7k $41.7k 0.03% New
53 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 10,33110.3k $41.3k $41.3k 0.00% Reduced -319.2k -319,217
54 Persistent Asset Partners Ltd 0.02% of their portfolio HONG KONG, K3 9,2289.2k $36.9k $36.9k 0.02% Reduced -19.0k -18,993
55 FMR LLC 0.00% of their portfolio BOSTON, MA 6,3496.3k $25.4k $25.4k 0.00% Reduced -793 -793
56 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 5,0635.1k $20.3k $20.3k 0.00% Reduced -690 -690
57 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 3,3573.4k $13.4k $13.4k 0.00% Reduced -9.9k -9,887
58 HARBOUR INVESTMENTS, INC. 0.00% of their portfolio MADISON, WI 2,0002.0k $8.0k $8.0k 0.00% Unchanged
59 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 600600 $2.4k $2.4k 0.00% Reduced -22.0k -22,000
60 NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio ST. LOUIS, MO 573573 $2.3k $2.3k 0.00% Unchanged
61 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 513513 $2.1k $2.1k 0.00% Reduced -1.3k -1,341
62 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 408408 $1.0k $1.0k 0.00% Reduced -283 -283
63 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 4646 $184 $184 0.00% Reduced -44.0k -43,978
64 CWM, LLC 0.00% of their portfolio OMAHA, NE 2929 $0 $0 0.00% Reduced -78 -78
65 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 11 $4 $4 0.00% Unchanged