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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 2021

Institutional positions in Cabaletta Bio, Inc. as of Sep 30, 2021. 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
61
−2 vs. Q2 2021
Shares held
17.4M
+1.62M (+10.3%) vs. Q2 2021
Total value
$211.3M
+$75.8M (+56.0%) vs. Q2 2021
New holders
10
19 more added
Sold out
12
15 more reduced

Compare with Q2 2021: 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 2021: 61 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 2021: $211.3M
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 2021

Shares, value and share of portfolio for each institution holding Cabaletta Bio, Inc.; share changes are against Q2 2021.

Institutions holding CABA in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Adage Capital Partners GP, L.L.C.3,041,645$37.0M0.07%00.0%Unchanged
5AM Venture Management, LLC2,359,263$28.7M5.83%−625,000−20.9%Reduced
Cormorant Asset Management, LP1,611,623$19.6M0.80%00.0%Unchanged
Boxer Capital, LLC1,603,361$19.5M0.68%00.0%Unchanged
Ikarian Capital, LLC1,187,898$14.4M3.31%+240,770+25.4%Added
Point72 Asset Management, L.P.900,000$10.9M0.05%+900,000New
Vanguard Group Inc730,781$8.89M0.00%+582+0.1%Added
Redmile Group, LLC696,377$8.47M0.15%−10.0%Reduced
Baker Bros. Advisors LP662,063$8.05M0.04%+25,700+4.0%Added
Citadel Advisors LLC559,467$6.80M0.01%+522,135+1,398.6%Added
Wellington Management Group LLP534,700$6.50M0.00%00.0%Unchanged
Deerfield Management Company, L.P. (Series C)464,252$5.64M0.11%00.0%Unchanged
Samlyn Capital, LLC349,475$4.25M0.06%+349,475New
BlackRock Inc.330,481$4.02M0.00%+13,293+4.2%Added
Acuta Capital Partners, LLC302,926$3.68M1.31%+302,926New
OrbiMed Advisors LLC302,509$3.68M0.04%+302,509New
Victory Capital Management Inc219,786$2.67M0.00%+171,529+355.4%Added
Fred Alger Management, LLC214,721$2.61M0.01%+214,721New
Millennium Management LLC121,624$1.48M0.00%−868,706−87.7%Reduced
Altrinsic Global Advisors LLC120,000$1.46M0.04%−10,000−7.7%Reduced
Boothbay Fund Management, LLC119,934$1.46M0.06%+6,285+5.5%Added
Geode Capital Management, LLC118,640$1.44M0.00%+978+0.8%Added
Ghost Tree Capital, LLC100,000$1.22M0.40%+100,000New
Morgan Stanley79,918$972.0K0.00%−29,291−26.8%Reduced
Two Sigma Investments, LP79,330$965.0K0.00%+66,622+524.3%Added
Marshall Wace, LLP64,155$780.0K0.00%+64,155New
Susquehanna International Group, LLP57,931$704.0K0.00%+37,541+184.1%Added
Ergoteles LLC50,733$617.0K0.02%−5,267−9.4%Reduced
Goldman Sachs Group Inc42,967$522.0K0.00%+7,594+21.5%Added
State Street Corp42,007$511.0K0.00%+19,200+84.2%Added
Silverarc Capital Management, LLC42,022$511.0K0.30%+42,022New
Two Sigma Advisers, LP40,100$488.0K0.00%+27,800+226.0%Added
HSBC Holdings PLC27,042$334.0K0.00%−13,895−33.9%Reduced
HRT Financial LP25,318$307.0K0.00%−12,053−32.3%Reduced
Northern Trust Corp24,970$304.0K0.00%−551−2.2%Reduced
Wells Fargo & Company22,984$280.0K0.00%+124+0.5%Added
JPMorgan Chase & Co18,205$221.0K0.00%+5,603+44.5%Added
Bank of America Corp14,507$176.0K0.00%−5,698−28.2%Reduced
IHT Wealth Management, LLC13,065$159.0K0.01%−150−1.1%Reduced
Susquehanna Fundamental Investments, LLC12,324$150.0K0.00%+12,324New
PDT Partners, LLC10,956$133.0K0.01%−3,444−23.9%Reduced
Cubist Systematic Strategies, LLC10,774$131.0K0.00%−3,154−22.6%Reduced
Veritable, L.P.10,500$128.0K0.00%00.0%Unchanged
Bank of New York Mellon Corp10,295$125.0K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.9,400$114.0K0.00%−1,600−14.5%Reduced
Simplex Trading, LLC5,581$46.0K0.00%00.0%Unchanged
Citigroup Inc1,997$24.0K0.00%+486+32.2%Added
Tower Research Capital LLC (TRC)1,442$18.0K0.00%−1,943−57.4%Reduced
UBS Group AG964$12.0K0.00%+741+332.3%Added
US Bancorp900$11.0K0.00%00.0%Unchanged
Endurance Wealth Management, Inc.800$10.0K0.00%00.0%Unchanged
First Manhattan Co500$6.00K0.00%00.0%Unchanged
Penserra Capital Management LLC570$6.00K0.00%+5+0.9%Added
Point72 Hong Kong Ltd452$5.00K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec340$4.13K0.00%00.0%Unchanged
Brewin Dolphin Ltd278$3.38K0.00%00.0%Unchanged
Captrust Financial Advisors200$2.00K0.00%00.0%Unchanged
Group One Trading, L.P.200$2.00K0.00%+200New
Investors Research Corp66$1.00K0.00%00.0%Unchanged
Daiwa Securities Group Inc.45$1.00K0.00%00.0%Unchanged
Deutsche Bank AG10$00.00%+1+11.1%Added
Tibra Equities Europe Ltd0$00.00%−45,900−100.0%Sold out
First Trust Advisors LP0$00.00%−35,952−100.0%Sold out
FMR LLC0$00.00%−35,650−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−33,857−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−33,753−100.0%Sold out
Jane Street Group, LLC0$00.00%−16,366−100.0%Sold out
Renaissance Technologies LLC0$00.00%−14,900−100.0%Sold out
Alpine Global Management, LLC0$00.00%−14,072−100.0%Sold out
Royal Bank of Canada0$00.00%−1,476−100.0%Sold out
New York State Common Retirement Fund0$00.00%−102−100.0%Sold out
Federated Hermes, Inc.0$00.00%−126−100.0%Sold out
TCI Wealth Advisors, Inc.0$00.00%−50−100.0%Sold out