Cabaletta BioCABA
13F holders, Q2 2026 (June 30)139holders +31
53new positions
23sold out
4famous investors
$3.11avg. 13F price*
At the end of Q2 2026, 139 institutions reported holding Cabaletta Bio Inc. (CABA) in their 13F filings, up 31 from Q1 2026. 53 opened new positions and 23 sold out. The largest holders were Jennison Associates LLC ($62.3M), T. Rowe Price Investment Management, Inc. ($58.7M) and Bain Capital Life Sciences Investors, LLC ($53.6M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Cabaletta Bio Inc.
- CUSIP
- 12674W109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 53 | $42.4M |
| Exits | 23 | $4.7M |
All 13F filers, Q1 2026 → Q2 2026: 78,884,786 shares bought and 9,804,614 shares sold, net +69,080,172 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 139 holders
| Jennison Associates LLC | 0.04% | Add +123.3% | 20,033,730 | $62.3M |
| T. Rowe Price Investment Management, Inc. | 0.04% | Add +70.3% | 18,869,907 | $58.7M |
| Bain Capital Life Sciences Investors, LLC | 3.19% | Add +78.2% | 17,241,445 | $53.6M |
| BlackRock, Inc. | 0.00% | Add +353.2% | 10,754,701 | $33.4M |
| Adage Capital Partners Gp, L.L.C. | 0.04% | Add +3.9% | 9,174,758 | $28.5M |
| State Street Corp. | 0.00% | Add +1568.0% | 7,839,305 | $24.4M |
| Vanguard Capital Management LLC | 0.00% | Add +79.4% | 7,227,018 | $22.5M |
| Cormorant Asset Management, LP | 0.80% | Reduce -9.1% | 5,000,000 | $15.6M |
| T. Rowe Price Associates Inc. | 0.00% | Add +899.1% | 4,418,674 | $13.7M |
| Woodline Partners LP | 0.04% | Add +235.9% | 4,200,142 | $13.1M |
| Norges Bank | 0.00% | — | 4,112,401 | $12.8M |
| Opaleye Management Inc. | 1.09% | Add +180.0% | 3,863,800 | $12.0M |
| Citadel Advisors | 0.01% | New | 3,522,112 | $11.0M |
| Geode Capital Management, LLC | 0.00% | Add +205.3% | 3,459,464 | $10.8M |
| Franklin Resources Inc. | 0.00% | New | 2,413,937 | $7.5M |
| Goldman Sachs Group Inc. | 0.00% | Add +182.4% | 2,211,825 | $6.9M |
| Millennium Management | 0.00% | Reduce -65.0% | 2,068,491 | $6.4M |
| Marshall Wace, LLP | 0.00% | Reduce -28.2% | 1,565,939 | $4.9M |
| Renaissance Technologies | 0.01% | Reduce -24.6% | 1,535,300 | $4.8M |
| UBS Group AG | 0.00% | Add +142.6% | 1,471,895 | $4.6M |
| Qube Research & Technologies Ltd | 0.00% | Reduce -26.3% | 1,426,840 | $4.4M |
| Vanguard Portfolio Management LLC | 0.00% | New | 1,418,108 | $4.4M |
| Two Sigma Investments, LP | 0.00% | Reduce -43.5% | 1,410,931 | $4.4M |
| Morgan Stanley | 0.00% | Reduce -4.5% | 1,345,526 | $4.2M |
| Sphera Funds Management LTD. | 0.59% | New | 1,329,012 | $4.1M |
| Superstring Capital Management LP | 2.20% | Add +19.9% | 1,278,652 | $3.5M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +90.9% | 1,088,595 | $3.4M |
| Northern Trust Corp. | 0.00% | Add +322.4% | 1,007,102 | $3.1M |
| Dimensional Fund Advisors LP | 0.00% | Add +30.6% | 967,195 | $3.0M |
| Stonepine Capital Management, LLC | 2.17% | Add +1734.2% | 917,100 | $2.9M |
| Schroder Investment Management Group | 0.00% | Add +13.2% | 856,637 | $2.7M |
| Ameriprise Financial Inc. | 0.00% | New | 828,145 | $2.6M |
| Cantor Fitzgerald, L. P. | 0.05% | Add +4.6% | 800,001 | $2.5M |
| Heights Capital Management, Inc. | 0.55% | New | 755,626 | $2.3M |
| Blue Owl Capital Holdings LP | 0.34% | New | 714,710 | $2.2M |
| Ikarian Capital, LLC | 0.36% | Reduce -22.2% | 700,000 | $2.2M |
| Burkehill Global Management, LP | 0.08% | No change | 700,000 | $2.2M |
| Gsa Capital Partners LLP | 0.13% | Add +19.0% | 668,563 | $2.1M |
| Nuveen, LLC | 0.00% | New | 646,345 | $2.0M |
| KVP Capital Advisors, LP | 1.15% | No change | 505,431 | $1.6M |
| Bank of America Corp. | 0.00% | Add +83.2% | 493,314 | $1.5M |
| Jump Financial, LLC | 0.01% | Add +2826.8% | 488,775 | $1.5M |
| Raiffeisen Bank International AG | 0.02% | Reduce -4.4% | 430,000 | $1.3M |
| TD Asset Management Inc | 0.00% | Add +484.9% | 391,472 | $1.2M |
| Susquehanna Portfolio Strategies, LLC | 0.02% | Add +2078.4% | 383,294 | $1.2M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +637.6% | 374,886 | $1.2M |
| Bank of New York Mellon Corp | 0.00% | Add +461.4% | 304,819 | $948K |
| Wellington Management Group LLP | 0.00% | Add +15.6% | 286,212 | $890K |
| Bridgeway Capital Management, LLC | 0.01% | No change | 267,372 | $832K |
| Invesco Ltd. | 0.00% | Add +25.6% | 241,565 | $751K |
| Wells Fargo & Company | 0.00% | Add +3181.2% | 196,872 | $612K |
| Citigroup Inc. | 0.00% | Add +570.6% | 184,232 | $573K |
| Boothbay Fund Management, LLC | 0.01% | Reduce -25.1% | 182,455 | $567K |
| Manufacturers Life Insurance Company, The | 0.00% | New | 182,055 | $566K |
| Panagora Asset Management Inc. | 0.00% | New | 161,916 | $504K |
| Susquehanna Fundamental Investments, LLC | 0.01% | New | 152,964 | $476K |
| Rafferty Asset Management, LLC | 0.00% | New | 146,107 | $454K |
| Diametric Capital, LP | 0.04% | Reduce -48.4% | 135,598 | $422K |
| Rhumbline Advisers | 0.00% | New | 131,640 | $409K |
| Almitas Capital LLC | 0.09% | Reduce -62.7% | 125,900 | $392K |
| Deutsche Bank AG | 0.00% | New | 110,962 | $345K |
| Virtus Investment Advisers, LLC | 0.08% | New | 108,703 | $338K |
| Alliancebernstein L.P. | 0.00% | New | 108,410 | $292K |
| D. E. Shaw & Co. | 0.00% | Reduce -52.1% | 90,652 | $282K |
| Letko, Brosseau & Associates Inc. | 0.00% | No change | 90,475 | $281K |
| Graham Capital Management, L.P. | 0.01% | Reduce -20.1% | 81,279 | $253K |
| LPL Financial LLC | 0.00% | Add +13.7% | 79,075 | $246K |
| Profund Advisors LLC | 0.01% | New | 73,409 | $228K |
| Virtu Financial LLC | 0.01% | Add +79.6% | 69,511 | $216K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | New | 68,592 | $213K |
| MetLife Investment Management, LLC | 0.00% | New | 66,749 | $208K |
| Susquehanna International Group, LLP | 0.00% | New | 63,228 | $197K |
| Raymond James Financial Inc. | 0.00% | Add +205.0% | 60,289 | $187K |
| JPMorgan Chase & Co. | 0.00% | Add +723.9% | 59,368 | $185K |
| Vanguard Global Advisers, LLC | 0.00% | Add +60.5% | 57,372 | $178K |
| Matauro, LLC | 0.02% | No change | 55,108 | $171K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | New | 54,086 | $168K |
| EntryPoint Capital, LLC | 0.04% | New | 50,927 | $158K |
| ADAR1 Capital Management, LLC | 0.01% | New | 50,000 | $156K |
| XTX Topco Ltd | 0.00% | Add +265.3% | 45,702 | $142K |
| Barclays PLC | 0.00% | Reduce -54.3% | 44,701 | $139K |
| Keybank National Association | 0.00% | New | 39,005 | $121K |
| Quantbot Technologies LP | 0.00% | New | 37,208 | $116K |
| Los Angeles Capital Management LLC | 0.00% | New | 34,419 | $107K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | New | 33,203 | $103K |
| Grey Ledge Advisors, LLC | 0.02% | Add +50.0% | 30,000 | $93K |
| WINTON GROUP Ltd | 0.00% | Add +76.5% | 27,000 | $84K |
| Two Sigma Securities, LLC | 0.01% | New | 26,663 | $83K |
| China Universal Asset Management Co., Ltd. | 0.00% | Add +51.9% | 25,950 | $81K |
| Ritholtz Wealth Management | 0.00% | New | 25,000 | $78K |
| Wealthfront Advisers LLC | 0.00% | New | 24,389 | $76K |
| New York State Common Retirement Fund | 0.00% | New | 23,400 | $73K |
| Intech Investment Management LLC | 0.00% | New | 23,035 | $72K |
| Voya Investment Management LLC | 0.00% | New | 21,377 | $66K |
| E Fund Management Co., Ltd. | 0.00% | New | 20,601 | $64K |
| nVerses Capital, LLC | 0.10% | New | 20,286 | $63K |
| ProShare Advisors LLC | 0.00% | New | 20,086 | $62K |
| BNP Paribas Financial Markets | 0.00% | Add +1149.8% | 19,609 | $61K |
| Clear Harbor Asset Management, LLC | 0.00% | No change | 19,500 | $61K |
| Callan Family Office, LLC | 0.00% | No change | 17,434 | $54K |
| Prudential Financial Inc. | 0.00% | New | 16,985 | $53K |
| US Bancorp \de | 0.00% | New | 16,493 | $51K |
| Victory Capital Management Inc. | 0.00% | New | 16,490 | $51K |
| &partners | 0.00% | New | 16,200 | $50K |
| FMR LLC | 0.00% | Add +22.6% | 15,928 | $50K |
| CRA Financial Services, LLC | 0.01% | No change | 15,000 | $47K |
| Fred Alger Management, LLC | 0.00% | Reduce -39.4% | 14,033 | $44K |
| Quantinno Capital Management LP | 0.00% | New | 12,905 | $40K |
| Kestra Advisory Services, LLC | 0.00% | No change | 11,750 | $37K |
| HighTower Advisors, LLC | 0.00% | New | 11,054 | $34K |
| Legal & General Group Plc | 0.00% | New | 10,918 | $34K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | Reduce -44.0% | 10,853 | $34K |
| Xponance LLC | 0.00% | New | 10,707 | $33K |
| Ameritas Investment Partners, Inc. | 0.00% | New | 10,217 | $32K |
| American Century Companies Inc. | 0.00% | Reduce -90.7% | 10,103 | $31K |
| Prelude Capital Management, LLC | 0.00% | Reduce -76.8% | 10,089 | $31K |
| Russell Investments Group, Ltd. | 0.00% | Add +958.7% | 9,941 | $31K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +48.8% | 8,605 | $27K |
| FNY Investment Advisers, LLC | 0.01% | New | 7,500 | $23K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +45.2% | 7,292 | $23K |
| Rockefeller Capital Management L.P. | 0.00% | Add +237.5% | 6,750 | $21K |
| Persistent Asset Partners Ltd | 0.00% | New | 4,643 | $14K |
| PNC Financial Services Group, Inc. | 0.00% | No change | 4,600 | $14K |
| Jones Financial Companies LLLP | 0.00% | Add +512.1% | 3,997 | $12K |
| Royal Bank of Canada | 0.00% | Add +358.9% | 3,584 | $11K |
| GF Fund Management Co. LTD. | 0.00% | Add +50.0% | 3,223 | $10K |
| Osaic Holdings, Inc. | 0.00% | No change | 2,907 | $9K |
| Pacer Advisors, Inc. | 0.00% | New | 2,440 | $8K |
| California State Teachers Retirement System | 0.00% | New | 1,550 | $5K |
| Sterling Capital Management LLC | 0.00% | New | 1,319 | $4K |
| Caitong International Asset Management Co., Ltd | 0.00% | Reduce -32.5% | 892 | $3K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 811 | $3K |
| Optiver Holding B.V. | 0.00% | New | 408 | $1K |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 340 | $1K |
| SBI Securities Co., Ltd. | 0.00% | No change | 316 | $983 |
| Farther Finance Advisors, LLC | 0.00% | New | 166 | $516 |
| Quarry LP | 0.00% | New | 91 | $283 |
| Northwestern Mutual Wealth Management Co. | 0.00% | No change | 60 | $187 |
| Arax Advisory Partners | 0.00% | Add +400.0% | 10 | $31 |
"% of holder's portfolio" is CABA's weight in each manager's 13F, not the share of Cabaletta Bio Inc. the manager owns.