Vault-13

CAMP4 THERAPEUTICS CORP CAMP

COM · Common Stock · CUSIP 13463J101

61 institutional holders +15 vs Q1 2026
41,734,42641.7m shares reported held*
$182.4mreported value*
22 new 15 added 12 reduced 7 sold out net bought ≈ $8.5m (+2.0m 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. Implied quarter-end price ≈ $4.37.

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0255075Q4 24: 37Q1 25: 40Q2 25: 30Q3 25: 29Q4 25: 40Q1 26: 46Q2 26: 6161Q4 24Q2 25Q4 25Q2 26
Numbers
QuarterHolders
Q4 202437
Q1 202540
Q2 202530
Q3 202529
Q4 202540
Q1 202646
Q2 202661

Buyers vs sellers

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

Bought or addedCut or sold out
40040Q1 25: 18 bought or addedQ1 25: 13 cut or sold outQ1 25Q2 25: 13 bought or addedQ2 25: 28 cut or sold outQ2 25Q3 25: 12 bought or addedQ3 25: 19 cut or sold outQ3 25Q4 25: 23 bought or addedQ4 25: 12 cut or sold outQ4 25Q1 26: 26 bought or addedQ1 26: 16 cut or sold outQ1 26Q2 26: 37 bought or addedQ2 26: 19 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q1 20251813
Q2 20251328
Q3 20251219
Q4 20252312
Q1 20262616
Q2 20263719

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$20k$40k$60k$80kQ3 25 calls: $0Q3 25 puts: $0Q3 25P/C —Q4 25 calls: $0Q4 25 puts: $0Q4 25P/C —Q1 26 calls: $64.4kQ1 26 puts: $0Q1 26P/C 0.00Q2 26 calls: $0Q2 26 puts: $0Q2 26P/C —
Numbers
QuarterCallsPutsP/C
Q3 2025$0$0—
Q4 2025$0$0—
Q1 2026$64.4k$00.00
Q2 2026$0$0—

Biggest buyers

BlackRock, Inc. Added +1,187,763+1.2m
GEODE CAPITAL MANAGEMENT, LLC Added +412,830+412.8k
SummitTX Capital, L.P. Added +385,639+385.6k
VANGUARD PORTFOLIO MANAGEMENT LLC New +220,717+220.7k
STATE STREET CORP Added +215,400+215.4k
NORTHERN TRUST CORP Added +178,007+178.0k
GOLDMAN SACHS GROUP INC Added +163,048+163.0k
Birchview Capital, LP New +120,000+120.0k
CANTOR FITZGERALD, L. P. New +107,000+107.0k
CHARLES SCHWAB INVESTMENT MANAGEMENT INC Added +76,660+76.7k

Biggest sellers

ENAVATE SCIENCES GP, LLC Reduced -765,379-765.4k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Sold out -336,047-336.0k
683 Capital Management, LLC Sold out -108,000-108.0k
Balyasny Asset Management L.P. Reduced -56,713-56.7k
MILLENNIUM MANAGEMENT LLC Reduced -42,015-42.0k
HRT FINANCIAL LP Sold out -30,747-30.7k
Hudson Bay Capital Management LP Reduced -29,850-29.9k
FMR LLC Reduced -29,093-29.1k
BARCLAYS PLC Reduced -27,597-27.6k
Qube Research & Technologies Ltd Sold out -24,803-24.8k

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
JANUS HENDERSON GROUP PLC 13G · institution new · filed 2026-01-08 12.2% new 6.3m≈ $27.6m 2026-01-08
Coastlands Capital LP 13G · institution no change · filed 2025-12-11 10.0% no change 4.9m≈ $21.4m 2025-12-11
5AM Ventures VI, L.P. 13D · may seek influence no change · filed 2026-08-31 9.9% no change 6.4m≈ $27.9m 2026-08-31
FMR LLC 13G · institution +2.8 pts · filed 2026-02-05 9.5% +2.8 pts 4.9m≈ $21.5m 2026-02-05
Vivo Opportunity Fund Holdings, L.P. 13G · passive investor -0.2 pts · filed 2026-02-13 7.4% -0.2 pts 3.9m≈ $16.9m 2026-02-13
Polaris Management Co. VII, L.L.C. 13D · may seek influence -2.1 pts · filed 2026-08-19 6.3% -2.1 pts 3.9m≈ $17.2m 2026-08-19
Trails Edge Capital Partners, LP 13G · passive investor new · filed 2026-08-10 6.0% new 3.8m≈ $16.6m 2026-08-10

Fell to 5% or below in the last year: BALYASNY ASSET MANAGEMENT L.P. (5.0%, 2026-08-14), Enavate Sciences GP, LLC (4.8%, 2026-03-11), AH Bio Fund I, L.P. (4.5%, 2025-11-14), Northpond Ventures II, LP (4.8%, 2025-11-14)

Insider purchases and sales since 1 Apr 2026

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
505Q4 24: 2 buyingQ4 24: 0 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25Q2 25: 0 buyingQ2 25: 0 sellingQ3 25: 5 buyingQ3 25: 0 sellingQ3 25Q4 25: 0 buyingQ4 25: 0 sellingQ1 26: 0 buyingQ1 26: 0 sellingQ1 26Q2 26: 0 buyingQ2 26: 0 sellingQ3 26: 4 buyingQ3 26: 2 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20242$10.0m0——
Q1 20250—0——
Q2 20250—0——
Q3 20255$2.0m0——
Q4 20250—0——
Q1 20260—0——
Q2 20260—0——
Q3 20264$77.4k2$2.5m—
DateInsiderTradeSharesPrice ValueTheir holding
2026-08-31 Gold Kelly Chief Financial Officer · By Spouse Bought 10,000 $3.96 $39.6k10.0k shares new
2026-08-27 Schwab Andrew J. Director · By 5AM Ventures VI, L.P. Sold 400,000 $4.04 $1.6m400.0k shares -16%
2026-08-24 Schwab Andrew J. Director · By 5AM Ventures VI, L.P. Sold 10 $4.50 $4510 shares -<1%
2026-08-21 Schwab Andrew J. Director · By 5AM Ventures VI, L.P. Sold 32,018 $4.50 $144.1k32.0k shares -1%
2026-08-20 Schwab Andrew J. Director · By 5AM Ventures VI, L.P. Sold 114,700 $4.54 $520.7k114.7k shares -4%
2026-08-19 Schwab Andrew J. Director · By 5AM Ventures VI, L.P. Sold 45,147 $4.76 $214.9k45.1k shares -2%
2026-08-19 Tardiff Daniel Chief Scientific Officer Sold 1,738 $4.76 $8.3k1.7k shares -100%
2026-08-03 Young Richard A Director Bought 16,378 $1.65 $27.0k16.4k shares +10%
2026-08-03 Mandel-Brehm Josh Chief Executive Officer, director Bought 6,551 $1.65 $10.8k6.6k shares +2%
2026-08-03 Gold Kelly Chief Financial Officer Bought 6,551 $1.65 $10.8k6.6k shares +10%
2026-08-03 Maricich Yuri Chief Medical Officer Bought 6,551 $1.65 $10.8k6.6k shares +108%

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, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Jupiter Topco LLC 0.01% of their portfolio NEW YORK, NY 6,307,6366.3m $27.6m $27.6m 0.01% First filing
2 5AM Venture Management, LLC 8.91% of their portfolio SAN FRANCISCO, CA 5,869,0915.9m $25.6m $25.6m 8.91% Unchanged
3 FMR LLC 0.00% of their portfolio BOSTON, MA 4,904,3394.9m $21.4m $21.4m 0.00% Reduced -29.1k -29,093
4 Vivo Capital, LLC 1.69% of their portfolio Palo Alto, CA 4,246,5684.2m $18.6m $18.6m 1.69% Unchanged
5 Balyasny Asset Management L.P. 0.02% of their portfolio Chicago, IL 2,575,7242.6m $11.3m $11.3m 0.02% Reduced -56.7k -56,713
6 a16z Capital Management, L.L.C. 0.07% of their portfolio MENLO PARK, CA 2,125,3392.1m $9.3m $9.3m 0.07% Unchanged
7 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.01% of their portfolio Boston, MA 1,960,7842.0m $8.6m $8.6m 0.01% Unchanged
8 Trails Edge Capital Partners, LP 1.34% of their portfolio ATLANTA, GA 1,932,9371.9m $8.4m $8.4m 1.34% Reduced -6.6k -6,626
9 BlackRock, Inc. 0.00% of their portfolio New York, NY 1,644,1341.6m $7.2m $7.2m 0.00% Added +1.2m +1,187,763
10 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 1,533,4891.5m $6.7m $6.7m 0.00% Reduced -1.3k -1,279
11 ENAVATE SCIENCES GP, LLC 1.80% of their portfolio New York, NY 1,425,5411.4m $6.2m $6.2m 1.80% Reduced -765.4k -765,379
12 Stonepine Capital Management, LLC 4.62% of their portfolio Bend, OR 1,389,6221.4m $6.1m $6.1m 4.62% Unchanged
13 HarbourVest Partners LLC 3.27% of their portfolio Boston, MA 1,271,9481.3m $5.6m $5.6m 3.27% Unchanged
14 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 795,651795.7k $3.5m $3.5m 0.00% Added +412.8k +412,830
15 SummitTX Capital, L.P. 0.08% of their portfolio FORT WORTH, TX 725,160725.2k $3.2m $3.2m 0.08% Added +385.6k +385,639
16 SILVERARC CAPITAL MANAGEMENT, LLC 0.32% of their portfolio BOSTON, MA 653,594653.6k $2.9m $2.9m 0.32% Unchanged
17 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 362,300362.3k $1.6m $1.6m 0.00% Added +215.4k +215,400
18 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 248,673248.7k $1.1m $1.1m 0.00% Added +178.0k +178,007
19 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 241,393241.4k $1.1m $1.1m 0.00% Added +163.0k +163,048
20 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 226,074226.1k $987.9k $987.9k 0.00% Added +31.1k +31,061
21 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 220,717220.7k $964.5k $964.5k 0.00% New
22 Birchview Capital, LP 0.25% of their portfolio BURLINGTON, VT 120,000120.0k $524.4k $524.4k 0.25% New
23 CANTOR FITZGERALD, L. P. 0.00% of their portfolio NEW YORK, NY 107,000107.0k $467.6k $467.6k 0.00% New
24 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 104,610104.6k $457.1k $457.1k 0.00% Reduced -4.3k -4,265
25 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 96,66096.7k $422.4k $422.4k 0.00% Added +76.7k +76,660
26 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 83,42183.4k $364.6k $364.6k 0.00% Added +64.7k +64,703
27 VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio San Antonio, TX 82,45082.5k $360.3k $360.3k 0.00% Unchanged
28 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 43,90343.9k $191.9k $191.9k 0.00% Reduced -42.0k -42,015
29 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 42,04842.0k $183.8k $183.8k 0.00% New
30 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 31,58931.6k $138.0k $138.0k 0.00% New
31 Y-Intercept (Hong Kong) Ltd 0.00% of their portfolio HONG KONG, K3 30,94230.9k $135.2k $135.2k 0.00% New
32 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 28,85828.9k $126.1k $126.1k 0.00% New
33 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 26,32726.3k $116.0k $116.0k 0.00% New
34 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.00% of their portfolio HOUSTON, TX 25,00025.0k $109.2k $109.2k 0.00% Unchanged
35 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 24,22724.2k $105.9k $105.9k 0.00% New
36 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 22,42522.4k $98.0k $98.0k 0.00% New
37 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 19,90019.9k $87.0k $87.0k 0.00% New
38 Hudson Bay Capital Management LP 0.00% of their portfolio STAMFORD, CT 18,66118.7k $81.5k $81.5k 0.00% Reduced -29.9k -29,850
39 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 17,77317.8k $77.7k $77.7k 0.00% Reduced -13.4k -13,423
40 Quadrature Capital Ltd 0.00% of their portfolio LONDON, X0 15,77715.8k $68.9k $68.9k 0.00% New
41 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 14,97515.0k $65.4k $65.4k 0.00% Added +5.1k +5,088
42 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 14,56814.6k $63.7k $63.7k 0.00% New
43 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 14,19114.2k $62.0k $62.0k 0.00% New
44 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 13,11613.1k $58.2k $58.2k 0.00% New
45 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 11,61511.6k $50.8k $50.8k 0.00% Unchanged
46 UBS Group AG 0.00% of their portfolio ZURICH, V8 11,52511.5k $50.4k $50.4k 0.00% Added +2.4k +2,444
47 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 11,46111.5k $50.1k $50.1k 0.00% Added +2.0k +1,956
48 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 11,11711.1k $48.6k $48.6k 0.00% New
49 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 9,6699.7k $42.3k $42.3k 0.00% Added +9.6k +9,633
50 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 7,0967.1k $31.0k $31.0k 0.00% Reduced -27.6k -27,597
51 Legal & General Group Plc 0.00% of their portfolio London, X0 3,0843.1k $13.5k $13.5k 0.00% New
52 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 2,8712.9k $12.5k $12.5k 0.00% New
53 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 2,5292.5k $11.1k $11.1k 0.00% New
54 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 1,8731.9k $8.2k $8.2k 0.00% Added +468 +468
55 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 1,0091.0k $4.0k $4.0k 0.00% Added +773 +773
56 China Universal Asset Management Co., Ltd. 0.00% of their portfolio SHANGHAI, F4 800800 $3.5k $3.5k 0.00% Reduced -15.2k -15,200
57 Physician Wealth Advisors, Inc. 0.00% of their portfolio MIDVALE, UT 242242 $1.1k $1.1k 0.00% New
58 Quarry LP 0.00% of their portfolio NEW YORK, NY 208208 $909 $909 0.00% New
59 Sterling Capital Management LLC 0.00% of their portfolio CHARLOTTE, NC 111111 $485 $485 0.00% New
60 Caitong International Asset Management Co., Ltd 0.00% of their portfolio HONG KONG, K3 7171 $310 $310 0.00% Reduced -3 -3
61 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 1010 $44 $44 0.00% Unchanged