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 2025
Institutional positions in Cabaletta Bio, Inc. as of Sep 30, 2025. 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
- 75
- −11 vs. Q2 2025
- Shares held
- 69.2M
- −3.55M (−4.9%) vs. Q2 2025
- Total value
- $162.0M
- +$51.3M (+46.3%) vs. Q2 2025
- New holders
- 10
- 24 more added
- Sold out
- 21
- 31 more reduced
Compare with Q2 2025: 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 | $490.4M |
| Q1 2026 | 108 | $227.5M |
| Q4 2025 | 95 | $166.9M |
| Q3 2025 | 75 | $162.0M |
| Q2 2025 | 86 | $110.7M |
| Q1 2025 | 93 | $50.3M |
| Q4 2024 | 109 | $87.2M |
| Q3 2024 | 120 | $226.7M |
| Q2 2024 | 142 | $380.0M |
| Q1 2024 | 159 | $870.9M |
| Q4 2023 | 128 | $1.10B |
| 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 | $68.9M |
| Q3 2021 | 61 | $211.3M |
| Q2 2021 | 63 | $135.5M |
| Q1 2021 | 68 | $180.1M |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Cabaletta Bio, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bain Capital Life Sciences Investors, LLC | 9,677,125 | $22.6M | 1.50% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 8,829,758 | $20.7M | 0.03% | 00.0% | Unchanged |
| Jennison Associates LLC | 8,497,537 | $19.9M | 0.01% | +2,477,370+41.2% | Added |
| T. Rowe Price Investment Management, Inc. | 8,362,489 | $19.6M | 0.01% | +1,568,701+23.1% | Added |
| Cormorant Asset Management, LP | 5,000,000 | $11.7M | 0.81% | 00.0% | Unchanged |
| Vanguard Group Inc | 4,190,759 | $9.81M | 0.00% | +740,032+21.4% | Added |
| Woodline Partners LP | 2,135,348 | $5.00M | 0.02% | +916,884+75.2% | Added |
| Heights Capital Management, Inc | 2,084,202 | $4.88M | 1.55% | −1,059,904−33.7% | Reduced |
| BlackRock, Inc. | 1,620,872 | $3.79M | 0.00% | +650,271+67.0% | Added |
| Superstring Capital Management LP | 1,544,525 | $3.61M | 3.56% | +483,761+45.6% | Added |
| Morgan Stanley | 1,474,676 | $3.45M | 0.00% | +149,870+11.3% | Added |
| Renaissance Technologies LLC | 1,339,423 | $3.13M | 0.00% | +1,213,323+962.2% | Added |
| Marshall Wace, LLP | 1,326,043 | $3.10M | 0.00% | +1,135,086+594.4% | Added |
| Alyeska Investment Group, L.P. | 1,300,000 | $3.04M | 0.01% | −3,500,000−72.9% | Reduced |
| Price T Rowe Associates Inc | 1,294,949 | $3.03M | 0.00% | −892,090−40.8% | Reduced |
| Schonfeld Strategic Advisors LLC | 1,044,169 | $2.44M | 0.02% | −440,667−29.7% | Reduced |
| Geode Capital Management, LLC | 920,340 | $2.15M | 0.00% | +366,878+66.3% | Added |
| Opaleye Management Inc. | 808,882 | $1.89M | 0.27% | +808,882 | New |
| Citadel Advisors LLC | 705,465 | $1.65M | 0.00% | −982,515−58.2% | Reduced |
| Burkehill Global Management, LP | 700,000 | $1.64M | 0.09% | −1,200,000−63.2% | Reduced |
| Millennium Management LLC | 686,813 | $1.61M | 0.00% | −168,517−19.7% | Reduced |
| JPMorgan Chase & Co | 537,649 | $1.26M | 0.00% | +456,853+565.4% | Added |
| Two Sigma Investments, LP | 470,475 | $1.10M | 0.00% | +218,118+86.4% | Added |
| UBS Group AG | 405,120 | $948.0K | 0.00% | −66,922−14.2% | Reduced |
| Almitas Capital LLC | 387,491 | $906.7K | 0.21% | +20,000+5.4% | Added |
| State Street Corp | 376,800 | $881.7K | 0.00% | +158,833+72.9% | Added |
| Susquehanna International Group, LLP | 372,108 | $870.7K | 0.00% | +248,483+201.0% | Added |
| Raiffeisen Bank International AG | 350,000 | $833.0K | 0.01% | +50,000+16.7% | Added |
| Two Sigma Advisers, LP | 331,000 | $774.5K | 0.00% | −82,600−20.0% | Reduced |
| XTX Topco Ltd | 284,299 | $665.3K | 0.03% | +187,039+192.3% | Added |
| Goldman Sachs Group Inc | 272,596 | $637.9K | 0.00% | −80,711−22.8% | Reduced |
| Bank of America Corp | 268,058 | $627.3K | 0.00% | −230,185−46.2% | Reduced |
| Northern Trust Corp | 226,987 | $531.1K | 0.00% | +93,967+70.6% | Added |
| Acadian Asset Management LLC | 186,521 | $433.0K | 0.00% | +171,380+1,131.9% | Added |
| Invesco Ltd. | 122,800 | $287.4K | 0.00% | +37,969+44.8% | Added |
| Federated Hermes, Inc. | 112,028 | $262.1K | 0.00% | −232,512−67.5% | Reduced |
| Jane Street Group, LLC | 104,662 | $244.9K | 0.00% | −133,663−56.1% | Reduced |
| Bridgeway Capital Management, LLC | 95,675 | $223.9K | 0.00% | +50,000+109.5% | Added |
| Royal Bank of Canada | 91,723 | $214.0K | 0.00% | +91,660+145,492.1% | Added |
| Qube Research & Technologies Ltd | 89,157 | $208.6K | 0.00% | +89,157 | New |
| TD Asset Management Inc | 88,600 | $207.3K | 0.00% | 00.0% | Unchanged |
| Fred Alger Management, LLC | 59,813 | $140.0K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 50,824 | $118.9K | 0.00% | +203+0.4% | Added |
| Bank of New York Mellon Corp | 47,810 | $111.9K | 0.00% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 47,500 | $111.2K | 0.00% | −1,949,708−97.6% | Reduced |
| Quadrature Capital Ltd | 42,912 | $100.4K | 0.00% | +42,912 | New |
| Cubist Systematic Strategies, LLC | 37,744 | $88.3K | 0.00% | −197,526−84.0% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 33,937 | $79.4K | 0.00% | +33,937 | New |
| JustInvest LLC | 22,151 | $51.8K | 0.00% | −2,797−11.2% | Reduced |
| SG Americas Securities, LLC | 21,264 | $50.0K | 0.00% | −2,784−11.6% | Reduced |
| Jones Financial Companies LLLP | 20,007 | $47.2K | 0.00% | +20,007 | New |
| CRA Financial Services, LLC | 15,000 | $35.1K | 0.00% | +4,000+36.4% | Added |
| FMR LLC | 14,064 | $32.9K | 0.00% | −1,392−9.0% | Reduced |
| Manufacturers Life Insurance Company, The | 13,084 | $30.6K | 0.00% | −26,686−67.1% | Reduced |
| American Century Companies Inc | 12,032 | $28.2K | 0.00% | +12,032 | New |
| Squarepoint Ops LLC | 11,868 | $27.8K | 0.00% | −59,573−83.4% | Reduced |
| Rangeley Capital, LLC | 11,300 | $26.4K | 0.02% | −4,700−29.4% | Reduced |
| Caitong International Asset Management Co., Ltd | 8,983 | $21.0K | 0.01% | +8,983 | New |
| Point72 Asia (Singapore) Pte. Ltd. | 8,935 | $20.9K | 0.00% | −25,832−74.3% | Reduced |
| Tower Research Capital LLC (TRC) | 4,367 | $10.2K | 0.00% | −46,669−91.4% | Reduced |
| Barclays PLC | 3,083 | $7.21K | 0.00% | −6,654−68.3% | Reduced |
| Wells Fargo & Company | 3,000 | $7.02K | 0.00% | −3,686−55.1% | Reduced |
| BNP Paribas Arbitrage, SA | 1,831 | $4.29K | 0.00% | −47,235−96.3% | Reduced |
| Rise Advisors, LLC | 1,083 | $2.53K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 939 | $2.20K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 811 | $1.90K | 0.00% | −101−11.1% | Reduced |
| Truvestments Capital LLC | 680 | $1.59K | 0.00% | −1,293−65.5% | Reduced |
| The PNC Financial Services Group, Inc. | 600 | $1.40K | 0.00% | −709−54.2% | Reduced |
| SBI Securities Co., Ltd. | 456 | $1.07K | 0.00% | −6,060−93.0% | Reduced |
| Citigroup Inc | 352 | $824 | 0.00% | −62,147−99.4% | Reduced |
| Federation des caisses Desjardins du Quebec | 340 | $796 | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 24 | $56 | 0.00% | +24 | New |
| SRS Capital Advisors, Inc. | 10 | $23 | 0.00% | +10 | New |
| Northwestern Mutual Wealth Management Co | 2 | $5 | 0.00% | +2 | New |
| Covestor Ltd | 34 | $0 | 0.00% | 00.0% | Unchanged |
| Anson Funds Management LP | 0 | $0 | 0.00% | −1,822,830−100.0% | Sold out |
| Blue Owl Capital Holdings LP | 0 | $0 | 0.00% | −1,125,000−100.0% | Sold out |
| Cantor Fitzgerald, L. P. | 0 | $0 | 0.00% | −532,500−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −284,000−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −270,516−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −124,395−100.0% | Sold out |
| Thrivent Financial for Lutherans | 0 | $0 | 0.00% | −95,327−100.0% | Sold out |
| TCG Crossover Management, LLC | 0 | $0 | 0.00% | −86,795−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −56,160−100.0% | Sold out |
| MYDA Advisors LLC | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −32,129−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −21,000−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −16,491−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −13,070−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −12,840−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −4,824−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −2,432−100.0% | Sold out |
| CWM, LLC | 0 | $0 | 0.00% | −1,597−100.0% | Sold out |
| Mid-American Wealth Advisory Group, Inc. | 0 | $0 | 0.00% | −91−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −41−100.0% | Sold out |
| True Wealth Design, LLC | 0 | $0 | 0.00% | −17−100.0% | Sold out |