Security record · archived quarter
CABA
Cabaletta Bio, Inc. · Healthcare · Biotechnology
47Tracked holders
+1Δ holders
39.89MShares held
$87.37MReported value
+1New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +2.2% ·
share flow +6.8% ·
net new positions +2.1%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
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 | n/a |
| Q3 2025 | 15 | -1 | 24.60M | $57.56M | n/a | −1 |
| Q2 2025 | 13 | 0 | 19.37M | $29.44M | n/a | n/a |
| 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 | n/a |
| Q2 2024 | 8 | n/a | 6.49M | $48.56M | n/a | n/a |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Jennison Associates Llc | 8.91M | n/a | $19.50M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Adage Capital Partners ✦ | 8.83M | 0.0% | $19.34M | 0.0% | Held | 7 | SEC ↗ |
| 3 | The Vanguard Group ✦ (passive) | 4.42M | +5.5% | $9.68M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 4 | Millennium Management ✦ | 2.74M | +298.5% | $5.99M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 2.33M | +43.7% | $5.10M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 6 | Two Sigma Investments ✦ | 1.84M | +291.1% | $4.03M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 7 | Renaissance Technologies ✦ | 1.52M | +13.7% | $3.33M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | Morgan Stanley ✦ | 1.34M | -8.9% | $2.94M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 9 | T. Rowe Price ✦ | 1.09M | -15.5% | $2.40M | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 10 | Geode Capital Management ✦ (passive) | 1.09M | +18.0% | $2.38M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 11 | Marshall Wace ✦ | 959.08K | -27.7% | $2.10M | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 12 | Jane Street Group, Llc | 662.15K | n/a | $1.45M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 13 | Ensign Peak Advisors, Inc | 550.00K | n/a | $1.20M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | Dimensional Fund Advisors Lp | 452.04K | n/a | $989,965 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 15 | Goldman Sachs Group ✦ | 430.67K | +58.0% | $943,176 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 16 | State Street Global Advisors ✦ (passive) | 425.48K | +12.9% | $931,797 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 17 | UBS Group AG | 415.68K | n/a | $910,333 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 18 | Qube Research & Technologies Ltd | 331.23K | n/a | $725,383 | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Northern Trust Corp | 238.44K | n/a | $522,188 | 0.0% | n/c | 1 | SEC ↗ |
| 20 | Barclays Plc | 220.70K | n/a | $483,323 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 21 | Invesco Ltd. | 189.19K | n/a | $414,337 | 0.0% | n/c | 1 | SEC ↗ |
| 22 | Squarepoint Ops LLC | 149.09K | n/a | $326,516 | 0.0% | n/c | 1 | SEC ↗ |
| 23 | Susquehanna International Group, Llp | 138.28K | n/a | $302,835 | 0.0% | n/c | 1 | SEC ↗ |
| 24 | Td Asset Management Inc | 88.60K | n/a | $194,034 | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Citigroup Inc | 73.77K | n/a | $161,565 | 0.0% | n/c | 1 | SEC ↗ |
| 26 | American Century Companies Inc | 58.78K | n/a | $128,722 | 0.0% | n/c | 1 | SEC ↗ |
| 27 | Point72 Asset Management ✦ | 56.65K | New | $124,059 | 0.0% | New | 1 | SEC ↗ |
| 28 | Bank of New York Mellon Corp | 54.05K | n/a | $118,364 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 29 | Balyasny Asset Management L.P. | 51.55K | n/a | $112,899 | 0.0% | n/c | 1 | SEC ↗ |
| 30 | Charles Schwab Investment… | 50.82K | n/a | $111,305 | 0.0% | n/c | 1 | SEC ↗ |
| 31 | LPL Financial LLC | 42.62K | n/a | $93,327 | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Citadel Advisors ✦ | 33.50K | -95.2% | $73,369 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 33 | Mercer Global Advisors Inc /Adv | 26.51K | n/a | $58,057 | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Jones Financial Companies Lllp | 20.66K | n/a | $45,245 | 0.0% | n/c | 1 | SEC ↗ |
| 35 | Bank Of America Corp /De/ | 14.39K | n/a | $31,519 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 36 | Fidelity (FMR) ✦ | 13.04K | -7.2% | $28,569 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 37 | Manufacturers Life Insurance… | 13.01K | n/a | $28,043 | 0.0% | n/c | 1 | SEC ↗ |
| 38 | JPMorgan Chase ✦ | 9.80K | -99.1% | $21,473 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 39 | Mirae Asset Global Investments Co.… | 4.68K | n/a | $10,245 | 0.0% | n/c | 1 | SEC ↗ |
| 40 | Pnc Financial Services Group, Inc. | 4.60K | n/a | $10,074 | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Canada Pension Plan Investment Board | 3.50K | n/a | $7,665 | 0.0% | n/c | 1 | SEC ↗ |
| 42 | Wells Fargo & Company/Mn | 2.00K | n/a | $4,381 | 0.0% | n/c | 1 | SEC ↗ |
| 43 | Bnp Paribas Financial Markets | 1.64K | n/a | $3,592 | 0.0% | n/c | 1 | SEC ↗ |
| 44 | Russell Investments Group, Ltd. | 939 | n/a | $2,056 | 0.0% | n/c | 1 | SEC ↗ |
| 45 | Northwestern Mutual Wealth… | 60 | n/a | $131 | 0.0% | n/c | 1 | SEC ↗ |
| 46 | Optiver Holding B.V. | 24 | n/a | $53 | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Royal Bank Of Canada | 123 | n/a | $0 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Point72 Asset Management | $124,059 | 0.0% |
Exited
| No tracked exits this quarter. |
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: Q4 2025 ·
Methodology ·
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