Security record · archived quarter
CABA
Cabaletta Bio, Inc. · Healthcare · Biotechnology
67Tracked holders
+17Δ holders
94.18MShares held
$292.87MReported value
+24New positions
−6Exits
Momentum inputs (comparable managers):
holder breadth +30.0% ·
share flow +30.0% ·
net new positions +20.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 67 | +17 | 94.18M | $292.87M | +24 | −6 |
| Q1 2026 | 49 | +1 | 47.68M | $128.08M | +7 | −6 |
| Q4 2025 | 47 | +1 | 39.89M | $87.37M | +1 | — |
| Q3 2025 | 15 | -1 | 24.60M | $57.56M | — | −1 |
| Q2 2025 | 13 | 0 | 19.37M | $29.44M | — | — |
| Q1 2025 | 10 | -1 | 6.81M | $9.44M | +2 | −3 |
| Q4 2024 | 11 | 0 | 9.36M | $21.24M | +1 | −1 |
| Q3 2024 | 10 | +2 | 7.88M | $37.20M | +2 | — |
| Q2 2024 | 8 | — | 6.49M | $48.56M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Jennison Associates Llc | 20.03M | +123.3% | $62.30M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 2 | Jennison Associates Llc | 20.03M | +123.3% | $62.30M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 10.75M | +353.2% | $33.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 10.75M | +353.2% | $33.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 10.75M | +353.2% | $33.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 10.75M | +353.2% | $33.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 10.75M | +353.2% | $33.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 10.75M | +353.2% | $33.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 10.75M | +353.2% | $33.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | Adage Capital Partners ✦ | 9.17M | +3.9% | $28.53M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 11 | State Street Global Advisors ✦ (passive) | 7.84M | +1568.0% | $24.38M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 12 | Vanguard Capital Management Llc | 7.23M | +79.4% | $22.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 13 | T. Rowe Price ✦ | 4.42M | +899.1% | $13.74M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 14 | T. Rowe Price ✦ | 4.42M | +899.1% | $13.74M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 15 | Norges Bank ✦ (passive) | 4.11M | New | $12.79M | 0.0% | New | 1 | SEC ↗ |
| 16 | Citadel Advisors ✦ | 3.52M | New | $10.95M | 0.0% | New | 1 | SEC ↗ |
| 17 | Geode Capital Management ✦ (passive) | 3.46M | +205.3% | $10.76M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 18 | Geode Capital Management ✦ (passive) | 3.46M | +205.3% | $10.76M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 19 | Franklin Resources Inc | 2.41M | New | $7.51M | 0.0% | New | 1 | SEC ↗ |
| 20 | Goldman Sachs Group ✦ | 2.21M | +182.4% | $6.88M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 21 | Goldman Sachs Group ✦ | 2.21M | +182.4% | $6.88M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 22 | Goldman Sachs Group ✦ | 2.21M | +182.4% | $6.88M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 23 | Millennium Management ✦ | 2.07M | -65.0% | $6.43M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 24 | Marshall Wace ✦ | 1.57M | -28.2% | $4.87M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 25 | Marshall Wace ✦ | 1.57M | -28.2% | $4.87M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 26 | Renaissance Technologies ✦ | 1.54M | -24.6% | $4.77M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 27 | UBS Group AG | 1.47M | +142.6% | $4.58M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 28 | UBS Group AG | 1.47M | +142.6% | $4.58M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 29 | UBS Group AG | 1.47M | +142.6% | $4.58M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 30 | UBS Group AG | 1.47M | +142.6% | $4.58M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | Qube Research & Technologies Ltd | 1.43M | -26.3% | $4.44M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 32 | Two Sigma Investments ✦ | 1.41M | -43.5% | $4.39M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 33 | Morgan Stanley ✦ | 1.35M | -4.5% | $4.18M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 34 | Morgan Stanley ✦ | 1.35M | -4.5% | $4.18M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 35 | Morgan Stanley ✦ | 1.35M | -4.5% | $4.18M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 36 | Morgan Stanley ✦ | 1.35M | -4.5% | $4.18M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 37 | Morgan Stanley ✦ | 1.35M | -4.5% | $4.18M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 38 | Morgan Stanley ✦ | 1.35M | -4.5% | $4.18M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 39 | Northern Trust Corp | 1.01M | +322.4% | $3.13M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 40 | Northern Trust Corp | 1.01M | +322.4% | $3.13M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 41 | Northern Trust Corp | 1.01M | +322.4% | $3.13M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 42 | Dimensional Fund Advisors Lp | 967.20K | +30.6% | $3.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 43 | Dimensional Fund Advisors Lp | 967.20K | +30.6% | $3.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 44 | Dimensional Fund Advisors Lp | 967.20K | +30.6% | $3.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 45 | Dimensional Fund Advisors Lp | 967.20K | +30.6% | $3.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 46 | Schroder Investment Management Group | 856.64K | +13.2% | $2.66M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | Ameriprise Financial Inc | 828.14K | New | $2.58M | 0.0% | New | 1 | SEC ↗ |
| 48 | Ameriprise Financial Inc | 828.14K | New | $2.58M | 0.0% | New | 1 | SEC ↗ |
| 49 | Nuveen, LLC | 646.35K | New | $2.01M | 0.0% | New | 1 | SEC ↗ |
| 50 | Bank Of America Corp /De/ | 493.31K | +83.2% | $1.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 51 | Bank Of America Corp /De/ | 493.31K | +83.2% | $1.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 52 | Td Asset Management Inc | 391.47K | +484.9% | $1.22M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 53 | Charles Schwab Investment… | 374.89K | +637.6% | $1.17M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 54 | Bank of New York Mellon Corp | 304.82K | +461.4% | $947,988 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 55 | Bank of New York Mellon Corp | 304.82K | +461.4% | $947,988 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 56 | Bank of New York Mellon Corp | 304.82K | +461.4% | $947,988 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 57 | Wellington Management ✦ | 286.21K | +15.6% | $890,119 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 58 | Wellington Management ✦ | 286.21K | +15.6% | $890,119 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 59 | Wellington Management ✦ | 286.21K | +15.6% | $890,119 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 60 | Invesco Ltd. | 241.56K | +25.6% | $751,267 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 61 | Invesco Ltd. | 241.56K | +25.6% | $751,267 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 62 | Invesco Ltd. | 241.56K | +25.6% | $751,267 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 63 | Wells Fargo & Company/Mn | 196.87K | +3181.2% | $612,274 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 64 | Wells Fargo & Company/Mn | 196.87K | +3181.2% | $612,274 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 65 | Wells Fargo & Company/Mn | 196.87K | +3181.2% | $612,274 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 66 | Citigroup Inc | 184.23K | +570.6% | $572,962 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 67 | Citigroup Inc | 184.23K | +570.6% | $572,962 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 68 | Manufacturers Life Insurance… | 182.06K | New | $566,191 | 0.0% | New | 1 | SEC ↗ |
| 69 | Rhumbline Advisers | 131.64K | New | $409,392 | 0.0% | New | 1 | SEC ↗ |
| 70 | Deutsche Bank Ag\ | 110.96K | New | $345,092 | 0.0% | New | 1 | SEC ↗ |
| 71 | Deutsche Bank Ag\ | 110.96K | New | $345,092 | 0.0% | New | 1 | SEC ↗ |
| 72 | Hrt Financial Lp | 98.50K | -25.1% | $306,000 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 73 | Alliancebernstein L.P. | 108.41K | New | $291,623 | 0.0% | New | 1 | SEC ↗ |
| 74 | D. E. Shaw & Co. ✦ | 90.65K | -52.1% | $281,928 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 75 | LPL Financial LLC | 79.08K | +13.7% | $245,923 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 76 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 68.59K | New | $213,321 | 0.0% | New | 1 | SEC ↗ |
| 77 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 68.59K | New | $213,321 | 0.0% | New | 1 | SEC ↗ |
| 78 | Susquehanna International Group, Llp | 63.23K | New | $196,639 | 0.0% | New | 1 | SEC ↗ |
| 79 | Raymond James Financial Inc | 60.29K | +205.0% | $187,499 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 80 | Raymond James Financial Inc | 60.29K | +205.0% | $187,499 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 81 | JPMorgan Chase ✦ | 59.37K | +723.9% | $184,634 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 82 | JPMorgan Chase ✦ | 59.37K | +723.9% | $184,634 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 83 | JPMorgan Chase ✦ | 59.37K | +723.9% | $184,634 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 84 | JPMorgan Chase ✦ | 59.37K | +723.9% | $184,634 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 85 | JPMorgan Chase ✦ | 59.37K | +723.9% | $184,634 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 86 | Universal- Beteiligungs- und… | 54.09K | New | $168,207 | 0.0% | New | 1 | SEC ↗ |
| 87 | Barclays Plc | 44.70K | -54.3% | $139,021 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 88 | Barclays Plc | 44.70K | -54.3% | $139,021 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 89 | Wealthfront Advisers LLC | 24.39K | New | $75,850 | 0.0% | New | 1 | SEC ↗ |
| 90 | New York State Common Retirement… | 23.40K | New | $72,774 | 0.0% | New | 1 | SEC ↗ |
| 91 | Voya Investment Management Llc | 21.38K | New | $66,482 | 0.0% | New | 1 | SEC ↗ |
| 92 | ProShare Advisors LLC | 20.09K | New | $62,467 | 0.0% | New | 1 | SEC ↗ |
| 93 | Bnp Paribas Financial Markets | 19.61K | +1149.8% | $60,984 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 94 | Prudential Financial Inc | 16.98K | New | $52,823 | 0.0% | New | 1 | SEC ↗ |
| 95 | Us Bancorp \De\ | 16.49K | New | $51,293 | 0.0% | New | 1 | SEC ↗ |
| 96 | Victory Capital Management Inc | 16.49K | New | $51,284 | 0.0% | New | 1 | SEC ↗ |
| 97 | Fidelity (FMR) ✦ | 15.93K | +22.6% | $49,536 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 98 | Quantinno Capital Management LP | 12.90K | New | $40,135 | 0.0% | New | 1 | SEC ↗ |
| 99 | HighTower Advisors, LLC | 11.05K | New | $34,378 | 0.0% | New | 1 | SEC ↗ |
| 100 | Legal & General Group Plc | 10.92K | New | $34,010 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $12.79M | 0.0% |
| Citadel Advisors | $10.95M | 0.0% |
| Franklin Resources Inc | $7.51M | 0.0% |
| Ameriprise Financial Inc | $2.58M | 0.0% |
| Ameriprise Financial Inc | $2.58M | 0.0% |
| Nuveen, LLC | $2.01M | 0.0% |
| Manufacturers Life Insurance… | $566,191 | 0.0% |
| Rhumbline Advisers | $409,392 | 0.0% |
| Deutsche Bank Ag\ | $345,092 | 0.0% |
| Deutsche Bank Ag\ | $345,092 | 0.0% |
| Alliancebernstein L.P. | $291,623 | 0.0% |
| MIRAE ASSET GLOBAL ETFS… | $213,321 | 0.0% |
Exited
| Jane Street Group, Llc | $668,718 | was 0.0% |
| Point72 Asset Management | $663,394 | was 0.0% |
| Squarepoint Ops LLC | $389,192 | was 0.0% |
| Nomura Holdings Inc | $256,927 | was 0.0% |
| Mercer Global Advisors Inc… | $71,312 | was 0.0% |
| Balyasny Asset Management L.P. | $30,004 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 107 holders, 84.67M shares, $194.86M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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