Security record
CNTA
Centessa Pharmaceuticals plc · Healthcare · Biotechnology
55Tracked holders
+3Δ holders
43.68MShares held
$1.73BReported value
+11New positions
−8Exits
Momentum inputs (comparable managers):
holder breadth +5.8% ·
share flow -6.0% ·
net new positions +5.5%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q1 2026 | 55 | +3 | 43.68M | $1.73B | +11 | −8 |
| Q4 2025 | 52 | -1 | 46.49M | $1.16B | — | −1 |
| Q3 2025 | 17 | 0 | 26.76M | $648.81M | +1 | −1 |
| Q2 2025 | 14 | +1 | 24.28M | $319.09M | +2 | −1 |
| Q1 2025 | 11 | 0 | 16.47M | $236.89M | — | — |
| Q4 2024 | 11 | -1 | 15.51M | $259.80M | — | −1 |
| Q3 2024 | 11 | +2 | 13.11M | $209.59M | +2 | — |
| Q2 2024 | 9 | — | 8.99M | $81.17M | — | — |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Adage Capital Partners ✦ | 8.93M | -20.9% | $354.50M | 0.5% | ▼ Trim | 8 | SEC ↗ |
| 2 | Fidelity (FMR) ✦ | 6.85M | -23.5% | $272.16M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 3 | Fidelity (FMR) ✦ | 6.85M | -23.5% | $272.16M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 4 | Fidelity (FMR) ✦ | 6.85M | -23.5% | $272.16M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 5 | Capital World Investors ✦ | 4.83M | +317.1% | $191.95M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | Morgan Stanley ✦ | 4.27M | +284.9% | $169.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | Morgan Stanley ✦ | 4.27M | +284.9% | $169.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 8 | Morgan Stanley ✦ | 4.27M | +284.9% | $169.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 9 | Morgan Stanley ✦ | 4.27M | +284.9% | $169.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | Morgan Stanley ✦ | 4.27M | +284.9% | $169.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | Janus Henderson Group Plc | 3.49M | -14.7% | $138.74M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 12 | Janus Henderson Group Plc | 3.49M | -14.7% | $138.74M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 13 | Janus Henderson Group Plc | 3.49M | -14.7% | $138.74M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 14 | Federated Hermes, Inc. | 2.05M | -12.5% | $81.40M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 15 | Bank Of America Corp /De/ | 1.93M | +103.5% | $76.76M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 16 | Bank Of America Corp /De/ | 1.93M | +103.5% | $76.76M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 17 | Bank Of America Corp /De/ | 1.93M | +103.5% | $76.76M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 18 | Goldman Sachs Group ✦ | 1.14M | +46.9% | $45.46M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 19 | Goldman Sachs Group ✦ | 1.14M | +46.9% | $45.46M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 20 | Balyasny Asset Management L.P. | 852.83K | +81.9% | $33.87M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 21 | Millennium Management ✦ | 722.12K | -61.4% | $28.68M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 22 | BNP Paribas Asset Management… | 702.25K | New | $27.89M | 0.0% | New | 1 | SEC ↗ |
| 23 | BNP Paribas Asset Management… | 702.25K | New | $27.89M | 0.0% | New | 1 | SEC ↗ |
| 24 | American Century Companies Inc | 687.43K | -39.1% | $27.30M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 25 | Franklin Resources Inc | 684.48K | -71.1% | $27.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 26 | Franklin Resources Inc | 684.48K | -71.1% | $27.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 27 | Toronto Dominion Bank | 654.85K | New | $26.01M | 0.1% | New | 1 | SEC ↗ |
| 28 | Toronto Dominion Bank | 654.85K | New | $26.01M | 0.1% | New | 1 | SEC ↗ |
| 29 | D. E. Shaw & Co. ✦ | 643.81K | -22.6% | $25.57M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 30 | D. E. Shaw & Co. ✦ | 643.81K | -22.6% | $25.57M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 31 | Qube Research & Technologies Ltd | 628.05K | +65.8% | $24.95M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 32 | BlackRock ✦ (passive) | 625.42K | +5.5% | $24.84M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 33 | BlackRock ✦ (passive) | 625.42K | +5.5% | $24.84M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 34 | Citadel Advisors ✦ | 598.20K | +15.1% | $23.76M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 35 | Citadel Advisors ✦ | 598.20K | +15.1% | $23.76M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 36 | UBS Group AG | 359.94K | -33.0% | $14.30M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 37 | UBS Group AG | 359.94K | -33.0% | $14.30M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 38 | UBS Group AG | 359.94K | -33.0% | $14.30M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 39 | JPMorgan Chase ✦ | 477.60K | +486.1% | $13.17M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 40 | JPMorgan Chase ✦ | 477.60K | +486.1% | $13.17M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 41 | Alyeska Investment Group, L.P. | 320.43K | New | $12.73M | 0.0% | New | 1 | SEC ↗ |
| 42 | Point72 Asset Management ✦ | 307.36K | New | $12.21M | 0.0% | New | 1 | SEC ↗ |
| 43 | Td Asset Management Inc | 242.04K | -35.7% | $9.61M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 44 | Deutsche Bank Ag\ | 189.96K | +21.6% | $7.55M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 45 | Renaissance Technologies ✦ | 185.00K | -33.8% | $7.35M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 46 | Marshall Wace ✦ | 168.18K | -22.2% | $6.68M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 47 | Marshall Wace ✦ | 168.18K | -22.2% | $6.68M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 48 | Holocene Advisors, LP | 160.94K | +58.4% | $6.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 49 | LMR Partners LLP | 125.00K | New | $4.96M | 0.1% | New | 1 | SEC ↗ |
| 50 | Hrt Financial Lp | 116.99K | +961.6% | $4.65M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Legal & General Group Plc | 110.21K | +4.5% | $4.32M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Geode Capital Management ✦ (passive) | 107.78K | +23.0% | $4.28M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 53 | Citigroup Inc | 74.28K | +2660.2% | $2.95M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 54 | Pictet Asset Management Holding SA | 96.91K | New | $2.67M | 0.0% | New | 1 | SEC ↗ |
| 55 | Two Sigma Investments ✦ | 59.84K | +4.2% | $2.38M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 56 | Squarepoint Ops LLC | 50.61K | -38.1% | $2.01M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 57 | Jane Street Group, Llc | 40.97K | -91.5% | $1.63M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 58 | Russell Investments Group, Ltd. | 38.81K | -48.1% | $1.54M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 59 | Voya Investment Management Llc | 29.67K | 0.0% | $1.18M | 0.0% | Held | 2 | SEC ↗ |
| 60 | Susquehanna International Group, Llp | 17.74K | +53.4% | $704,514 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 61 | Ameriprise Financial Inc | 16.89K | -94.0% | $670,990 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 62 | Ameriprise Financial Inc | 16.89K | -94.0% | $670,990 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 63 | TD Waterhouse Canada Inc. | 15.60K | +1454.8% | $621,929 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | Manufacturers Life Insurance… | 13.96K | -93.4% | $554,690 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | Bank of New York Mellon Corp | 8.30K | -1.7% | $329,587 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 66 | Bank of New York Mellon Corp | 8.30K | -1.7% | $329,587 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 67 | Invesco Ltd. | 7.03K | New | $279,390 | 0.0% | New | 1 | SEC ↗ |
| 68 | Envestnet Asset Management Inc | 6.97K | New | $277,047 | 0.0% | New | 1 | SEC ↗ |
| 69 | Barclays Plc | 6.92K | +524.7% | $274,942 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 70 | Barclays Plc | 6.92K | +524.7% | $274,942 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 71 | Allianz Asset Management GmbH | 6.90K | New | $274,068 | 0.0% | New | 1 | SEC ↗ |
| 72 | Mirae Asset Global Investments Co.… | 6.24K | +33.1% | $247,773 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 73 | Wells Fargo & Company/Mn | 6.00K | +77.2% | $238,319 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 74 | ProShare Advisors LLC | 5.35K | New | $212,542 | 0.0% | New | 1 | SEC ↗ |
| 75 | Bnp Paribas Financial Markets | 2.48K | +1.5% | $98,585 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 76 | Royal Bank Of Canada | 1.16K | -79.1% | $46,000 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 77 | Jones Financial Companies Lllp | 277 | New | $7,950 | 0.0% | New | 1 | SEC ↗ |
| 78 | National Bank Of Canada /Fi/ | 25 | 0.0% | $993 | 0.0% | Held | 2 | SEC ↗ |
| 79 | Zurcher Kantonalbank (Zurich… | 1 | -99.8% | $40 | 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
| BNP Paribas Asset Management… | $27.89M | 0.0% |
| BNP Paribas Asset Management… | $27.89M | 0.0% |
| Toronto Dominion Bank | $26.01M | 0.1% |
| Toronto Dominion Bank | $26.01M | 0.1% |
| Alyeska Investment Group, L.P. | $12.73M | 0.0% |
| Point72 Asset Management | $12.21M | 0.0% |
| LMR Partners LLP | $4.96M | 0.1% |
| Pictet Asset Management… | $2.67M | 0.0% |
| Invesco Ltd. | $279,390 | 0.0% |
| Envestnet Asset Management Inc | $277,047 | 0.0% |
| Allianz Asset Management GmbH | $274,068 | 0.0% |
| ProShare Advisors LLC | $212,542 | 0.0% |
Exited
| T. Rowe Price | $98.22M | was 0.0% |
| Wcm Investment Management, Llc | $6.36M | was 0.0% |
| Tudor Investment Corp Et Al | $3.05M | was 0.0% |
| DZ BANK AG Deutsche Zentral… | $2.04M | was 0.0% |
| Wellington Management | $1.26M | was 0.0% |
| Rockefeller Capital… | $86,735 | was 0.0% |
| Daiwa Securities Group Inc. | $7,000 | was 0.0% |
| Cwm, Llc | $4,000 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 159 holders, 148.16M shares, $5.86B 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: Q1 2026 ·
Methodology ·
Get this via the API