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 $492.9M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Cabaletta Bio, Inc. as of Jun 30, 2026. 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
- 139
- +31 vs. Q1 2026
- Shares held
- 158.7M
- +74.0M (+87.4%) vs. Q1 2026
- Total value
- $492.9M
- +$265.4M (+116.7%) vs. Q1 2026
- New holders
- 54
- 50 more added
- Sold out
- 23
- 20 more reduced
Compare with Q1 2026: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 139 | $492.9M |
| Q1 2026 | 108 | $227.5M |
| Q4 2025 | 95 | $175.7M |
| Q3 2025 | 75 | $164.1M |
| Q2 2025 | 86 | $110.7M |
| Q1 2025 | 93 | $50.3M |
| Q4 2024 | 109 | $87.2M |
| Q3 2024 | 120 | $228.1M |
| Q2 2024 | 142 | $389.3M |
| Q1 2024 | 159 | $904.4M |
| Q4 2023 | 128 | $1.11B |
| Q3 2023 | 97 | $622.6M |
| Q2 2023 | 84 | $470.5M |
| Q1 2023 | 72 | $203.9M |
| Q4 2022 | 61 | $183.9M |
| Q3 2022 | 54 | $7.76M |
| Q2 2022 | 55 | $17.8M |
| Q1 2022 | 62 | $36.9M |
| Q4 2021 | 66 | $69.4M |
| Q3 2021 | 61 | $211.3M |
| Q2 2021 | 63 | $135.5M |
| Q1 2021 | 68 | $180.1M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Cabaletta Bio, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Jennison Associates LLC | 20,033,730 | $62.3M | 0.04% | +11,063,152+123.3% | Added |
| T. Rowe Price Investment Management, Inc. | 18,869,907 | $58.7M | 0.04% | +7,789,902+70.3% | Added |
| Bain Capital Life Sciences Investors, LLC | 17,241,445 | $53.6M | 3.19% | +7,564,320+78.2% | Added |
| BlackRock, Inc. | 10,754,701 | $33.4M | 0.00% | +8,381,698+353.2% | Added |
| Adage Capital Partners GP, L.L.C. | 9,174,758 | $28.5M | 0.04% | +345,000+3.9% | Added |
| State Street Corp | 7,839,305 | $24.4M | 0.00% | +7,369,327+1,568.0% | Added |
| Vanguard Capital Management LLC | 7,227,018 | $22.5M | 0.00% | +3,198,027+79.4% | Added |
| Cormorant Asset Management, LP | 5,000,000 | $15.6M | 0.80% | −500,000−9.1% | Reduced |
| Price T Rowe Associates Inc | 4,418,674 | $13.7M | 0.00% | +3,976,397+899.1% | Added |
| Woodline Partners LP | 4,200,142 | $13.1M | 0.04% | +2,949,900+235.9% | Added |
| Norges Bank | 4,112,401 | $12.8M | 0.00% | +4,112,401 | New |
| Opaleye Management Inc. | 3,863,800 | $12.0M | 1.09% | +2,483,800+180.0% | Added |
| Citadel Advisors LLC | 3,522,112 | $11.0M | 0.01% | +3,522,112 | New |
| Geode Capital Management, LLC | 3,459,464 | $10.8M | 0.00% | +2,326,219+205.3% | Added |
| Franklin Resources Inc | 2,413,937 | $7.51M | 0.00% | +2,413,937 | New |
| Goldman Sachs Group Inc | 2,211,825 | $6.88M | 0.00% | +1,428,605+182.4% | Added |
| Millennium Management LLC | 2,068,491 | $6.43M | 0.00% | −3,834,790−65.0% | Reduced |
| Cantor Fitzgerald, L. P. | 1,600,002 | $4.98M | 0.05% | +835,002+109.2% | Added |
| Marshall Wace, LLP | 1,565,939 | $4.87M | 0.00% | −613,879−28.2% | Reduced |
| Renaissance Technologies LLC | 1,535,300 | $4.77M | 0.01% | −501,363−24.6% | Reduced |
| UBS Group AG | 1,471,895 | $4.58M | 0.00% | +865,231+142.6% | Added |
| Qube Research & Technologies Ltd | 1,426,840 | $4.44M | 0.00% | −508,150−26.3% | Reduced |
| Vanguard Portfolio Management LLC | 1,418,108 | $4.41M | 0.00% | +1,418,108 | New |
| Two Sigma Investments, LP | 1,410,931 | $4.39M | 0.00% | −1,086,986−43.5% | Reduced |
| Morgan Stanley | 1,345,526 | $4.18M | 0.00% | −62,626−4.4% | Reduced |
| Sphera Funds Management Ltd. | 1,329,012 | $4.13M | 0.59% | +1,329,012 | New |
| Superstring Capital Management LP | 1,278,652 | $3.48M | 2.20% | +212,413+19.9% | Added |
| Vanguard Fiduciary Trust Co | 1,088,595 | $3.39M | 0.00% | +518,404+90.9% | Added |
| Northern Trust Corp | 1,007,102 | $3.13M | 0.00% | +768,660+322.4% | Added |
| Dimensional Fund Advisors LP | 967,195 | $3.01M | 0.00% | +226,547+30.6% | Added |
| Stonepine Capital Management, LLC | 917,100 | $2.85M | 2.17% | +867,100+1,734.2% | Added |
| Schroder Investment Management Group | 856,637 | $2.66M | 0.00% | +100,000+13.2% | Added |
| Ameriprise Financial Inc | 828,145 | $2.58M | 0.00% | +828,145 | New |
| Heights Capital Management, Inc | 755,626 | $2.35M | 0.54% | +755,626 | New |
| Blue Owl Capital Holdings LP | 714,710 | $2.22M | 0.34% | +714,710 | New |
| Ikarian Capital, LLC | 700,000 | $2.18M | 0.36% | −200,000−22.2% | Reduced |
| Burkehill Global Management, LP | 700,000 | $2.18M | 0.08% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 668,563 | $2.08M | 0.13% | +106,837+19.0% | Added |
| Nuveen, LLC | 646,345 | $2.01M | 0.00% | +646,345 | New |
| KVP Capital Advisors, LP | 505,431 | $1.57M | 1.15% | 00.0% | Unchanged |
| Bank of America Corp | 493,314 | $1.53M | 0.00% | +224,057+83.2% | Added |
| Jump Financial, LLC | 488,775 | $1.52M | 0.01% | +472,075+2,826.8% | Added |
| Raiffeisen Bank International AG | 430,000 | $1.34M | 0.02% | −20,000−4.4% | Reduced |
| TD Asset Management Inc | 391,472 | $1.22M | 0.00% | +324,548+485.0% | Added |
| Susquehanna Portfolio Strategies, LLC | 383,294 | $1.19M | 0.02% | +365,699+2,078.4% | Added |
| Charles Schwab Investment Management Inc | 374,886 | $1.17M | 0.00% | +324,062+637.6% | Added |
| Bank of New York Mellon Corp | 304,819 | $948.0K | 0.00% | +250,520+461.4% | Added |
| Wellington Management Group LLP | 286,212 | $890.1K | 0.00% | +38,553+15.6% | Added |
| Bridgeway Capital Management, LLC | 267,372 | $831.5K | 0.01% | 00.0% | Unchanged |
| Invesco Ltd. | 241,565 | $751.3K | 0.00% | +49,182+25.6% | Added |
| Wells Fargo & Company | 196,872 | $612.3K | 0.00% | +190,872+3,181.2% | Added |
| Citigroup Inc | 184,232 | $573.0K | 0.00% | +156,759+570.6% | Added |
| Boothbay Fund Management, LLC | 182,455 | $567.4K | 0.01% | −60,990−25.1% | Reduced |
| Manufacturers Life Insurance Company, The | 182,055 | $566.2K | 0.00% | +182,055 | New |
| Panagora Asset Management Inc | 161,916 | $503.6K | 0.00% | +161,916 | New |
| Susquehanna Fundamental Investments, LLC | 152,964 | $475.7K | 0.01% | +152,964 | New |
| Rafferty Asset Management, LLC | 146,107 | $454.4K | 0.00% | +146,107 | New |
| Diametric Capital, LP | 135,598 | $421.7K | 0.04% | −127,233−48.4% | Reduced |
| Rhumbline Advisers | 131,640 | $409.4K | 0.00% | +131,640 | New |
| Almitas Capital LLC | 125,900 | $391.5K | 0.09% | −211,491−62.7% | Reduced |
| Deutsche Bank AG | 110,962 | $345.1K | 0.00% | +110,962 | New |
| Virtus Investment Advisers, Inc. | 108,703 | $338.1K | 0.08% | +108,703 | New |
| Alliancebernstein L.P. | 108,410 | $291.6K | 0.00% | +108,410 | New |
| D. E. Shaw & Co., Inc. | 90,652 | $281.9K | 0.00% | −98,760−52.1% | Reduced |
| Letko, Brosseau & Associates Inc | 90,475 | $281.4K | 0.00% | 00.0% | Unchanged |
| Graham Capital Management, L.P. | 81,279 | $252.8K | 0.01% | −20,409−20.1% | Reduced |
| LPL Financial LLC | 79,075 | $245.9K | 0.00% | +9,500+13.7% | Added |
| Profund Advisors LLC | 73,409 | $228.3K | 0.01% | +73,409 | New |
| Virtu Financial LLC | 69,511 | $216.0K | 0.01% | +30,808+79.6% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 68,592 | $213.3K | 0.00% | +68,592 | New |
| MetLife Investment Management | 66,749 | $207.6K | 0.00% | +66,749 | New |
| Susquehanna International Group, LLP | 63,228 | $196.6K | 0.00% | +63,228 | New |
| Raymond James Financial Inc | 60,289 | $187.5K | 0.00% | +40,520+205.0% | Added |
| JPMorgan Chase & Co | 59,368 | $184.6K | 0.00% | +52,162+723.9% | Added |
| Vanguard Global Advisers, LLC | 57,372 | $178.4K | 0.00% | +21,621+60.5% | Added |
| Matauro, LLC | 55,108 | $171.4K | 0.02% | 00.0% | Unchanged |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 54,086 | $168.2K | 0.00% | +54,086 | New |
| EntryPoint Capital, LLC | 50,927 | $158.4K | 0.04% | +50,927 | New |
| ADAR1 Capital Management, LLC | 50,000 | $155.5K | 0.01% | +50,000 | New |
| XTX Topco Ltd | 45,702 | $142.1K | 0.00% | +33,190+265.3% | Added |
| Barclays PLC | 44,701 | $139.0K | 0.00% | −53,091−54.3% | Reduced |
| Keybank National Association | 39,005 | $121.3K | 0.00% | +39,005 | New |
| Quantbot Technologies LP | 37,208 | $115.7K | 0.00% | +37,208 | New |
| Los Angeles Capital Management LLC | 34,419 | $107.0K | 0.00% | +34,419 | New |
| Police & Firemen's Retirement System of New Jersey | 33,203 | $103.3K | 0.00% | +33,203 | New |
| GSB Wealth Management, LLC | 30,000 | $93.3K | 0.02% | +10,000+50.0% | Added |
| Winton Group Ltd | 27,000 | $84.0K | 0.00% | +11,700+76.5% | Added |
| Two Sigma Securities, LLC | 26,663 | $82.9K | 0.01% | +26,663 | New |
| China Universal Asset Management Co., Ltd. | 25,950 | $80.7K | 0.00% | +8,867+51.9% | Added |
| Ritholtz Wealth Management | 25,000 | $77.8K | 0.00% | +25,000 | New |
| Wealthfront Advisers LLC | 24,389 | $75.8K | 0.00% | +24,389 | New |
| New York State Common Retirement Fund | 23,400 | $72.8K | 0.00% | +23,400 | New |
| Intech Investment Management LLC | 23,035 | $71.6K | 0.00% | +23,035 | New |
| Voya Investment Management LLC | 21,377 | $66.5K | 0.00% | +21,377 | New |
| E Fund Management Co., Ltd. | 20,601 | $64.1K | 0.00% | +20,601 | New |
| nVerses Capital, LLC | 20,286 | $63.1K | 0.10% | +20,286 | New |
| ProShare Advisors LLC | 20,086 | $62.5K | 0.00% | +20,086 | New |
| BNP Paribas Arbitrage, SA | 19,609 | $61.0K | 0.00% | +18,040+1,149.8% | Added |
| Clear Harbor Asset Management, LLC | 19,500 | $60.6K | 0.00% | 00.0% | Unchanged |
| Callan Family Office, LLC | 17,434 | $54.2K | 0.00% | 00.0% | Unchanged |