CABA Cabaletta Bio, Inc.
Cabaletta Bio, Inc. (CABA) Institutional Ownership
What the institutions did with CABA last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| JENNISON ASSOCIATES LLC | 20.0M | 12.6% |
| T. Rowe Price Investment Management, Inc. | 18.9M | 11.9% |
| Bain Capital Life Sciences Investors, LLC | 17.2M | 10.9% |
| BlackRock, Inc. | 10.8M | 6.8% |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 9.2M | 5.8% |
| STATE STREET CORP | 7.8M | 4.9% |
| VANGUARD CAPITAL MANAGEMENT LLC | 7.2M | 4.6% |
| Cormorant Asset Management, LP | 5.0M | 3.1% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 4.4M | 2.8% |
| Woodline Partners LP | 4.2M | 2.6% |
| NORGES BANK | 4.1M | 2.6% |
| Opaleye Management Inc. | 3.9M | 2.4% |
| CITADEL ADVISORS LLC | 3.5M | 2.2% |
| GEODE CAPITAL MANAGEMENT, LLC | 3.5M | 2.2% |
| FRANKLIN RESOURCES INC | 2.4M | 1.5% |
| GOLDMAN SACHS GROUP INC | 2.2M | 1.4% |
| MILLENNIUM MANAGEMENT LLC | 2.1M | 1.3% |
| CANTOR FITZGERALD, L. P. | 1.6M | 1.0% |
| MARSHALL WACE, LLP | 1.6M | 1.0% |
| RENAISSANCE TECHNOLOGIES LLC | 1.5M | 1.0% |
| UBS Group AG | 1.5M | 0.9% |
| Qube Research & Technologies Ltd | 1.4M | 0.9% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.4M | 0.9% |
| TWO SIGMA INVESTMENTS, LP | 1.4M | 0.9% |
| MORGAN STANLEY | 1.3M | 0.8% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| JENNISON ASSOCIATES LLC | Increased | 9.0M | 20.0M | +11.1M |
| BlackRock, Inc. | Increased | 2.4M | 10.8M | +8.4M |
| T. Rowe Price Investment Management, Inc. | Increased | 11.1M | 18.9M | +7.8M |
| Bain Capital Life Sciences Investors, LLC | Increased | 9.7M | 17.2M | +7.6M |
| STATE STREET CORP | Increased | 470.0K | 7.8M | +7.4M |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 442.3K | 4.4M | +4.0M |
| MILLENNIUM MANAGEMENT LLC | Reduced | 5.9M | 2.1M | -3.8M |
| CITADEL ADVISORS LLC | New | 0 | 3.5M | +3.5M |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 4.0M | 7.2M | +3.2M |
| Woodline Partners LP | Increased | 1.3M | 4.2M | +2.9M |
| Opaleye Management Inc. | Increased | 1.4M | 3.9M | +2.5M |
| FRANKLIN RESOURCES INC | New | 0 | 2.4M | +2.4M |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.1M | 3.5M | +2.3M |
| GOLDMAN SACHS GROUP INC | Increased | 783.2K | 2.2M | +1.4M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New | 0 | 1.4M | +1.4M |
| SPHERA FUNDS MANAGEMENT LTD. | New | 0 | 1.3M | +1.3M |
| TWO SIGMA INVESTMENTS, LP | Reduced | 2.5M | 1.4M | -1.1M |
| Stonepine Capital Management, LLC | Increased | 50.0K | 917.1K | +867.1K |
| UBS Group AG | Increased | 606.7K | 1.5M | +865.2K |
| CANTOR FITZGERALD, L. P. | Increased | 765.0K | 1.6M | +835.0K |
| AMERIPRISE FINANCIAL INC | New | 0 | 828.1K | +828.1K |
| NORTHERN TRUST CORP | Increased | 238.4K | 1.0M | +768.7K |
| HEIGHTS CAPITAL MANAGEMENT, INC | New | 0 | 755.6K | +755.6K |
| Blue Owl Capital Holdings LP | New | 0 | 714.7K | +714.7K |
| Nuveen, LLC | New | 0 | 646.3K | +646.3K |
| MARSHALL WACE, LLP | Reduced | 2.2M | 1.6M | -613.9K |
| VANGUARD FIDUCIARY TRUST CO | Increased | 570.2K | 1.1M | +518.4K |
| Qube Research & Technologies Ltd | Reduced | 1.9M | 1.4M | -508.2K |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 2.0M | 1.5M | -501.4K |
| Cormorant Asset Management, LP | Reduced | 5.5M | 5.0M | -500.0K |
| Jump Financial, LLC | Increased | 16.7K | 488.8K | +472.1K |
| Susquehanna Portfolio Strategies, LLC | Increased | 17.6K | 383.3K | +365.7K |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Increased | 8.8M | 9.2M | +345.0K |
| TD Asset Management Inc | Increased | 66.9K | 391.5K | +324.5K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Increased | 50.8K | 374.9K | +324.1K |
| Bank of New York Mellon Corp | Increased | 54.3K | 304.8K | +250.5K |
| JANE STREET GROUP, LLC | Sold Out | 248.6K | 0 | -248.6K |
| Point72 Asset Management, L.P. | Sold Out | 246.6K | 0 | -246.6K |
| DIMENSIONAL FUND ADVISORS LP | Increased | 740.6K | 967.2K | +226.5K |
| 683 Capital Management, LLC | Sold Out | 225.0K | 0 | -225.0K |
| BANK OF AMERICA CORP /DE/ | Increased | 269.3K | 493.3K | +224.1K |
| SUPERSTRING CAPITAL MANAGEMENT LP | Increased | 1.1M | 1.3M | +212.4K |
| Almitas Capital LLC | Reduced | 337.4K | 125.9K | -211.5K |
| Ikarian Capital, LLC | Reduced | 900.0K | 700.0K | -200.0K |
| WELLS FARGO & COMPANY/MN | Increased | 6.0K | 196.9K | +190.9K |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | New | 0 | 182.1K | +182.1K |
| PANAGORA ASSET MANAGEMENT INC | New | 0 | 161.9K | +161.9K |
| Hudson Bay Capital Management LP | Sold Out | 161.7K | 0 | -161.7K |
| CITIGROUP INC | Increased | 27.5K | 184.2K | +156.8K |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | New | 0 | 153.0K | +153.0K |
| Brevan Howard Capital Management LP | Sold Out | 149.7K | 0 | -149.7K |
| Rafferty Asset Management, LLC | New | 0 | 146.1K | +146.1K |
| Squarepoint Ops LLC | Sold Out | 144.7K | 0 | -144.7K |
| RHUMBLINE ADVISERS | New | 0 | 131.6K | +131.6K |
| Diametric Capital, LP | Reduced | 262.8K | 135.6K | -127.2K |
| DEUTSCHE BANK AG\ | New | 0 | 111.0K | +111.0K |
| Virtus Investment Advisers, LLC | New | 0 | 108.7K | +108.7K |
| ALLIANCEBERNSTEIN L.P. | New | 0 | 108.4K | +108.4K |
| GSA CAPITAL PARTNERS LLP | Increased | 561.7K | 668.6K | +106.8K |
| ExodusPoint Capital Management, LP | Sold Out | 106.0K | 0 | -106.0K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.