Security record · archived quarter
CABA
Cabaletta Bio, Inc. · Healthcare · Biotechnology
11Tracked holders
0Δ holders
9.36MShares held
$21.24MReported value
+1New positions
−1Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +6.1% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
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 · Q4 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Adage Capital Partners ✦ | 3.63M | +19.7% | $8.25M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 2 | Point72 Asset Management ✦ | 1.27M | +89.7% | $2.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 1.11M | +1.5% | $2.52M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 1.11M | +1.5% | $2.52M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | State Street Global Advisors ✦ (passive) | 937.98K | — | $2.13M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | Two Sigma Investments ✦ | 751.89K | +78.8% | $1.71M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | T. Rowe Price ✦ | 524.09K | -5.2% | $1.19M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 8 | T. Rowe Price ✦ | 524.09K | -5.2% | $1.19M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | Millennium Management ✦ | 511.61K | -68.6% | $1.16M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 10 | Renaissance Technologies ✦ | 230.16K | New | $522,465 | 0.0% | New | 1 | SEC ↗ |
| 11 | Marshall Wace ✦ | 193.22K | -31.9% | $438,622 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 12 | Marshall Wace ✦ | 193.22K | -31.9% | $438,622 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 13 | Wellington Management ✦ | 180.16K | +14.7% | $408,956 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | Wellington Management ✦ | 180.16K | +14.7% | $408,956 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | D. E. Shaw & Co. ✦ | 16.60K | -51.1% | $37,691 | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Renaissance Technologies | $522,465 | 0.0% |
Exited
| Citadel Advisors | $21,292 | 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: Q4 2024 ·
Methodology ·
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