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Cabaletta Bio, Inc.

CABA
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001759138

No open-market purchases or sales by Cabaletta Bio, Inc. insiders were filed in the last 90 days; 139 institutions reported holding it in 13F filings for Q2 2026, worth $490.4M in total; no superinvestor holds it.

13F holders, Q3 2022

Institutional positions in Cabaletta Bio, Inc. as of Sep 30, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
54
−1 vs. Q2 2022
Shares held
11.9M
−4.87M (−29.0%) vs. Q2 2022
Total value
$7.76M
−$10.1M (−56.5%) vs. Q2 2022
New holders
9
11 more added
Sold out
10
14 more reduced

Compare with Q2 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CABA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2022: 54 institutions
Q1 2021: 68 institutionsQ2 2021: 63 institutionsQ3 2021: 61 institutionsQ4 2021: 66 institutionsQ1 2022: 62 institutionsQ2 2022: 55 institutionsQ3 2022: 54 institutionsQ4 2022: 61 institutionsQ1 2023: 72 institutionsQ2 2023: 84 institutionsQ3 2023: 97 institutionsQ4 2023: 128 institutionsQ1 2024: 159 institutionsQ2 2024: 142 institutionsQ3 2024: 120 institutionsQ4 2024: 109 institutionsQ1 2025: 93 institutionsQ2 2025: 86 institutionsQ3 2025: 75 institutionsQ4 2025: 95 institutionsQ1 2026: 108 institutionsQ2 2026: 139 institutions
Value heldQ3 2022: $7.76M
Q1 2021: $180.1MQ2 2021: $135.5MQ3 2021: $211.3MQ4 2021: $68.9MQ1 2022: $36.9MQ2 2022: $17.8MQ3 2022: $7.76MQ4 2022: $183.9MQ1 2023: $203.9MQ2 2023: $470.5MQ3 2023: $622.6MQ4 2023: $1.10BQ1 2024: $870.9MQ2 2024: $380.0MQ3 2024: $226.7MQ4 2024: $87.2MQ1 2025: $50.3MQ2 2025: $110.7MQ3 2025: $162.0MQ4 2025: $166.9MQ1 2026: $227.5MQ2 2026: $490.4M
Institutions holding CABA and their total value by quarter
QuarterHoldersValue
Q2 2026139$490.4M
Q1 2026108$227.5M
Q4 202595$166.9M
Q3 202575$162.0M
Q2 202586$110.7M
Q1 202593$50.3M
Q4 2024109$87.2M
Q3 2024120$226.7M
Q2 2024142$380.0M
Q1 2024159$870.9M
Q4 2023128$1.10B
Q3 202397$622.6M
Q2 202384$470.5M
Q1 202372$203.9M
Q4 202261$183.9M
Q3 202254$7.76M
Q2 202255$17.8M
Q1 202262$36.9M
Q4 202166$68.9M
Q3 202161$211.3M
Q2 202163$135.5M
Q1 202168$180.1M

Institutions, Q3 2022

Shares, value and share of portfolio for each institution holding Cabaletta Bio, Inc.; share changes are against Q2 2022.

Institutions holding CABA in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Adage Capital Partners GP, L.L.C.2,541,645$1.65M0.00%00.0%Unchanged
Vanguard Group Inc1,278,551$831.0K0.00%+226,713+21.6%Added
Cormorant Asset Management, LP1,154,424$750.0K0.05%00.0%Unchanged
Redmile Group, LLC696,377$453.0K0.02%00.0%Unchanged
Renaissance Technologies LLC687,461$447.0K0.00%+352,461+105.2%Added
Baker Bros. Advisors LP662,063$430.0K0.00%00.0%Unchanged
Eversept Partners, LP560,466$364.4K0.04%+560,466New
Boxer Capital, LLC540,000$351.0K0.02%00.0%Unchanged
Kynam Capital Management, LP527,805$343.0K0.07%−18,995−3.5%Reduced
Deerfield Management Company, L.P. (Series C)464,252$302.0K0.01%00.0%Unchanged
BlackRock Inc.437,984$285.0K0.00%−60,807−12.2%Reduced
Privium Fund Management (UK) Ltd331,218$215.0K0.28%+331,218New
Susquehanna International Group, LLP265,369$173.0K0.00%+253,231+2,086.3%Added
Millennium Management LLC230,553$150.0K0.00%−7,683−3.2%Reduced
Bridgeway Capital Management, LLC225,951$147.0K0.00%−28,601−11.2%Reduced
Morgan Stanley169,420$110.0K0.00%+47,520+39.0%Added
Ikarian Capital, LLC168,623$109.0K0.05%−775,808−82.1%Reduced
Acadian Asset Management LLC147,480$95.0K0.00%00.0%Unchanged
Harbor Capital Advisors, Inc.143,629$93.0K0.09%+30,663+27.1%Added
Geode Capital Management, LLC129,480$84.0K0.00%00.0%Unchanged
Jane Street Group, LLC83,477$54.0K0.00%+72,319+648.1%Added
State Street Corp60,867$40.0K0.00%00.0%Unchanged
Two Sigma Advisers, LP54,400$35.0K0.00%−130,900−70.6%Reduced
UBS Group AG50,000$33.0K0.00%+50,000New
Victory Capital Management Inc42,586$28.0K0.00%−115−0.3%Reduced
Two Sigma Investments, LP38,058$25.0K0.00%−58,152−60.4%Reduced
Veritable, L.P.37,245$24.0K0.00%00.0%Unchanged
Northern Trust Corp29,307$19.0K0.00%00.0%Unchanged
Simplex Trading, LLC24,310$15.0K0.00%+19,851+445.2%Added
Crestline Management, LP21,881$14.0K0.00%00.0%Unchanged
Bank of New York Mellon Corp18,822$12.0K0.00%00.0%Unchanged
Boothbay Fund Management, LLC17,022$11.0K0.00%−73,776−81.3%Reduced
Tower Research Capital LLC (TRC)17,538$11.0K0.00%+7,984+83.6%Added
Two Sigma Securities, LLC13,594$9.00K0.00%+13,594New
Virtu Financial LLC14,070$9.00K0.00%+14,070New
Goldman Sachs Group Inc10,996$7.00K0.00%−2,949−21.1%Reduced
BIT Capital GmbH10,000$6.50K0.00%00.0%Unchanged
Bank of America Corp9,194$6.00K0.00%−6,053−39.7%Reduced
Group One Trading, L.P.6,373$4.00K0.00%+6,373New
Advisor Group Holdings, Inc.2,544$2.00K0.00%−4,000−61.1%Reduced
Wells Fargo & Company3,814$2.00K0.00%+32+0.8%Added
Barclays PLC1,221$1.00K0.00%−13,942−91.9%Reduced
JPMorgan Chase & Co1,909$1.00K0.00%+311+19.5%Added
Federated Hermes, Inc.1,591$1.00K0.00%+434+37.5%Added
Endurance Wealth Management, Inc.800$1.00K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec340$2210.00%00.0%Unchanged
First Manhattan Co500$00.00%00.0%Unchanged
Citigroup Inc340$00.00%−97−22.2%Reduced
Daiwa Securities Group Inc.45$00.00%00.0%Unchanged
Investors Research Corp66$00.00%00.0%Unchanged
Beaird Harris Wealth Management, LLC79$00.00%00.0%Unchanged
Royal Bank of Canada384$00.00%+384New
Cutler Group LP600$00.00%+600New
China Universal Asset Management Co., Ltd.272$00.00%+272New
5AM Venture Management, LLC0$00.00%−2,064,263−100.0%Sold out
Samlyn Capital, LLC0$00.00%−1,919,907−100.0%Sold out
Citadel Advisors LLC0$00.00%−1,254,479−100.0%Sold out
DLD Asset Management, LP0$00.00%−246,500−100.0%Sold out
Piper Sandler & Co.0$00.00%−145,000−100.0%Sold out
Dimensional Fund Advisors LP0$00.00%−19,863−100.0%Sold out
HSBC Holdings PLC0$00.00%−13,227−100.0%Sold out
IHT Wealth Management, LLC0$00.00%−12,240−100.0%Sold out
Howe & Rusling Inc0$00.00%−100−100.0%Sold out
Captrust Financial Advisors0$00.00%−200−100.0%Sold out