Security record · archived quarter
ZURA
Zura Bio Limited · Healthcare · Biotechnology
35Tracked holders
-1Δ holders
16.01MShares held
$83.89MReported value
+0New positions
−1Exits
Momentum inputs (comparable managers):
holder breadth -2.8% ·
share flow -13.6% ·
net new positions -2.9%
· formula
Broad distribution: falling shares and fewer 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 | 44 | +6 | 19.12M | $111.66M | +15 | −9 |
| Q1 2026 | 39 | +4 | 16.55M | $97.28M | +6 | −2 |
| Q4 2025 | 35 | -1 | 16.01M | $83.89M | n/a | −1 |
| Q3 2025 | 16 | +3 | 16.65M | $72.09M | +3 | n/a |
| Q2 2025 | 10 | -1 | 5.96M | $6.26M | n/a | −1 |
| Q1 2025 | 8 | -1 | 4.76M | $6.14M | +1 | −2 |
| Q4 2024 | 9 | 0 | 5.19M | $12.99M | +1 | −1 |
| Q3 2024 | 8 | +2 | 3.98M | $16.15M | +2 | n/a |
| Q2 2024 | 6 | n/a | 3.73M | $12.85M | n/a | n/a |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | JPMorgan Chase ✦ | 4.47M | -51.6% | $23.44M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 2 | Adage Capital Partners ✦ | 2.75M | -9.7% | $14.41M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | Morgan Stanley ✦ | 1.51M | +620.7% | $7.91M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 4 | Millennium Management ✦ | 1.03M | +75.1% | $5.41M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 5 | Marshall Wace ✦ | 877.76K | +228.5% | $4.60M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 6 | Jane Street Group, Llc | 657.85K | n/a | $3.45M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 7 | The Vanguard Group ✦ (passive) | 568.12K | +9.9% | $2.98M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 8 | Fidelity (FMR) ✦ | 529.30K | -0.4% | $2.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | UBS Group AG | 470.54K | n/a | $2.47M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 10 | Two Sigma Investments ✦ | 412.42K | +202.6% | $2.16M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 11 | Geode Capital Management ✦ (passive) | 404.48K | -0.2% | $2.12M | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 12 | BlackRock ✦ (passive) | 369.37K | +1.0% | $1.94M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 13 | Citadel Advisors ✦ | 309.16K | +283.9% | $1.62M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 14 | Renaissance Technologies ✦ | 303.10K | +18.7% | $1.59M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 15 | Susquehanna International Group, Llp | 284.10K | n/a | $1.49M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | Point72 Asset Management ✦ | 226.83K | -68.8% | $1.19M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 17 | Goldman Sachs Group ✦ | 216.81K | +165.3% | $1.14M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 18 | State Street Global Advisors ✦ (passive) | 156.36K | +8.3% | $819,342 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 19 | Northern Trust Corp | 100.84K | n/a | $528,380 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 20 | Qube Research & Technologies Ltd | 59.87K | n/a | $313,714 | 0.0% | n/c | 1 | SEC ↗ |
| 21 | Barclays Plc | 48.66K | n/a | $254,983 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 22 | Citigroup Inc | 39.76K | n/a | $208,337 | 0.0% | n/c | 1 | SEC ↗ |
| 23 | Mariner, LLC | 36.62K | n/a | $191,868 | 0.0% | n/c | 1 | SEC ↗ |
| 24 | Squarepoint Ops LLC | 33.80K | n/a | $177,117 | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Simplex Trading, Llc | 31.16K | n/a | $163,283 | 0.0% | n/c | 1 | SEC ↗ |
| 26 | Raymond James Financial Inc | 26.51K | n/a | $138,907 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 27 | Dimensional Fund Advisors Lp | 23.53K | n/a | $123,308 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 28 | American Century Companies Inc | 21.38K | n/a | $112,047 | 0.0% | n/c | 1 | SEC ↗ |
| 29 | Bnp Paribas Financial Markets | 18.76K | n/a | $98,292 | 0.0% | n/c | 1 | SEC ↗ |
| 30 | Bank Of Montreal /Can/ | 10.00K | n/a | $52,400 | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Bank Of America Corp /De/ | 4.39K | n/a | $23,019 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 32 | Royal Bank Of Canada | 2.16K | n/a | $11,000 | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Group One Trading Llc | 200 | n/a | $1,048 | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Cwm, Llc | 142 | n/a | $1,000 | 0.0% | n/c | 1 | SEC ↗ |
| 35 | Optiver Holding B.V. | 16 | n/a | $84 | 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
| No new tracked buyers this quarter. |
Exited
| AQR Capital Management | $191,452 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 92 holders, 61.32M shares, $364.31M 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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