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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, Q2 2021

Institutional positions in Cabaletta Bio, Inc. as of Jun 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
63
−5 vs. Q1 2021
Shares held
15.8M
−475.7K (−2.9%) vs. Q1 2021
Total value
$135.5M
−$44.7M (−24.8%) vs. Q1 2021
New holders
12
19 more added
Sold out
17
16 more reduced

Compare with Q1 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 holdersQ2 2021: 63 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 heldQ2 2021: $135.5M
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, Q2 2021

Shares, value and share of portfolio for each institution holding Cabaletta Bio, Inc.; share changes are against Q1 2021.

Institutions holding CABA in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Adage Capital Partners GP, L.L.C.3,041,645$26.2M0.05%00.0%Unchanged
5AM Venture Management, LLC2,984,263$25.7M6.46%00.0%Unchanged
Cormorant Asset Management, LP1,611,623$13.9M0.54%−292,801−15.4%Reduced
Boxer Capital, LLC1,603,361$13.8M0.49%00.0%Unchanged
Millennium Management LLC990,330$8.52M0.01%+114,417+13.1%Added
Ikarian Capital, LLC947,128$8.14M1.46%+557,744+143.2%Added
Vanguard Group Inc730,199$6.28M0.00%+36,314+5.2%Added
Redmile Group, LLC696,378$5.99M0.09%00.0%Unchanged
Baker Bros. Advisors LP636,363$5.47M0.02%00.0%Unchanged
Wellington Management Group LLP534,700$4.60M0.00%+352,700+193.8%Added
Deerfield Management Company, L.P. (Series C)464,252$3.99M0.07%00.0%Unchanged
BlackRock Inc.317,188$2.73M0.00%−731,376−69.8%Reduced
Altrinsic Global Advisors LLC130,000$1.12M0.03%+10,000+8.3%Added
Geode Capital Management, LLC117,662$1.01M0.00%−84,482−41.8%Reduced
Boothbay Fund Management, LLC113,649$977.0K0.04%+68,794+153.4%Added
Morgan Stanley109,209$940.0K0.00%+85,531+361.2%Added
Ergoteles LLC56,000$482.0K0.01%+56,000New
Victory Capital Management Inc48,257$415.0K0.00%−2,173−4.3%Reduced
Tibra Equities Europe Ltd45,900$395.0K0.12%+45,900New
HSBC Holdings PLC40,937$344.0K0.00%+2,584+6.7%Added
Citadel Advisors LLC37,332$321.0K0.00%+18,481+98.0%Added
HRT Financial LP37,371$321.0K0.00%+37,371New
First Trust Advisors LP35,952$309.0K0.00%−243−0.7%Reduced
FMR LLC35,650$307.0K0.00%00.0%Unchanged
Goldman Sachs Group Inc35,373$304.0K0.00%−9,514−21.2%Reduced
ExodusPoint Capital Management, LP33,857$291.0K0.00%+33,857New
Gsa Capital Partners LLP33,753$290.0K0.03%+22,253+193.5%Added
Northern Trust Corp25,521$219.0K0.00%−104,647−80.4%Reduced
Wells Fargo & Company22,860$197.0K0.00%−2,431−9.6%Reduced
State Street Corp22,807$196.0K0.00%−181,509−88.8%Reduced
Susquehanna International Group, LLP20,390$175.0K0.00%+1,689+9.0%Added
Bank of America Corp20,205$174.0K0.00%+10,227+102.5%Added
Jane Street Group, LLC16,366$141.0K0.00%+224+1.4%Added
Renaissance Technologies LLC14,900$128.0K0.00%+14,900New
PDT Partners, LLC14,400$124.0K0.01%+14,400New
Alpine Global Management, LLC14,072$121.0K0.02%+14,072New
Cubist Systematic Strategies, LLC13,928$120.0K0.00%+13,928New
IHT Wealth Management, LLC13,215$114.0K0.01%+13,215New
Two Sigma Investments, LP12,708$109.0K0.00%−21,093−62.4%Reduced
JPMorgan Chase & Co12,602$108.0K0.00%−17,895−58.7%Reduced
Two Sigma Advisers, LP12,300$106.0K0.00%−3,600−22.6%Reduced
Advisor Group Holdings, Inc.11,000$95.0K0.00%+10,700+3,566.7%Added
Veritable, L.P.10,500$90.0K0.00%00.0%Unchanged
Bank of New York Mellon Corp10,295$89.0K0.00%−40,435−79.7%Reduced
Simplex Trading, LLC5,581$47.0K0.00%+4,764+583.1%Added
Tower Research Capital LLC (TRC)3,385$30.0K0.00%+1,802+113.8%Added
Citigroup Inc1,511$13.0K0.00%+196+14.9%Added
Royal Bank of Canada1,476$13.0K0.00%+120+8.8%Added
US Bancorp900$8.00K0.00%00.0%Unchanged
Endurance Wealth Management, Inc.800$6.00K0.00%00.0%Unchanged
Penserra Capital Management LLC565$4.00K0.00%+20+3.7%Added
First Manhattan Co500$4.00K0.00%00.0%Unchanged
Point72 Hong Kong Ltd452$4.00K0.00%+452New
Federation des caisses Desjardins du Quebec340$2.92K0.00%00.0%Unchanged
Brewin Dolphin Ltd278$2.39K0.00%00.0%Unchanged
UBS Group AG223$2.00K0.00%−718−76.3%Reduced
Captrust Financial Advisors200$2.00K0.00%00.0%Unchanged
New York State Common Retirement Fund102$1.00K0.00%−6,198−98.4%Reduced
Investors Research Corp66$1.00K0.00%00.0%Unchanged
Federated Hermes, Inc.126$1.00K0.00%+126New
Deutsche Bank AG9$00.00%−8,371−99.9%Reduced
Daiwa Securities Group Inc.45$00.00%00.0%Unchanged
TCI Wealth Advisors, Inc.50$00.00%+50New
Caas Capital Management LP0$00.00%−147,382−100.0%Sold out
Eversept Partners, LP0$00.00%−76,849−100.0%Sold out
Nuveen Asset Management, LLC0$00.00%−68,401−100.0%Sold out
Bridgeway Capital Management, LLC0$00.00%−35,000−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−34,059−100.0%Sold out
Charles Schwab Investment Management Inc0$00.00%−32,390−100.0%Sold out
Squarepoint Ops LLC0$00.00%−27,926−100.0%Sold out
California Public Employees Retirement System0$00.00%−26,100−100.0%Sold out
California State Teachers Retirement System0$00.00%−19,465−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−18,100−100.0%Sold out
Rhumbline Advisers0$00.00%−14,694−100.0%Sold out
American International Group, Inc.0$00.00%−7,524−100.0%Sold out
Legal & General Group Plc0$00.00%−1,138−100.0%Sold out
Ameritas Investment Partners, Inc.0$00.00%−1,125−100.0%Sold out
Bank of Montreal0$00.00%−375−100.0%Sold out
Steward Partners Investment Advisory, LLC0$00.00%−300−100.0%Sold out
Sargent Bickham Lagudis LLC0$00.00%−200−100.0%Sold out