Security record · archived quarter
ANNX
Annexon, Inc. · Healthcare · Biotechnology
86Tracked holders
+9Δ holders
86.15MShares held
$477.02MReported value
+15New positions
−6Exits
Momentum inputs (comparable managers):
holder breadth +11.7% ·
share flow +15.3% ·
net new positions +10.5%
— formula
Broad accumulation — rising shares across more holders
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 |
|---|---|---|---|---|---|---|
| Q2 2026 | 83 | 0 | 98.98M | $564.98M | +7 | −7 |
| Q1 2026 | 86 | +9 | 86.15M | $477.02M | +15 | −6 |
| Q4 2025 | 77 | +3 | 76.53M | $384.12M | +3 | — |
| Q3 2025 | 16 | +1 | 41.50M | $126.59M | +2 | −1 |
| Q2 2025 | 12 | 0 | 37.67M | $90.40M | +2 | −2 |
| Q1 2025 | 9 | -2 | 6.64M | $12.81M | — | −2 |
| Q4 2024 | 11 | -2 | 14.57M | $74.72M | — | −2 |
| Q3 2024 | 12 | +1 | 12.67M | $75.00M | +1 | — |
| Q2 2024 | 11 | — | 15.25M | $74.74M | — | — |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 10.94M | +22.1% | $60.60M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 10.94M | +22.1% | $60.60M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 10.94M | +22.1% | $60.60M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 10.94M | +22.1% | $60.60M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 10.94M | +22.1% | $60.60M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 10.94M | +22.1% | $60.60M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 10.94M | +22.1% | $60.60M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 10.94M | +22.1% | $60.60M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 10.94M | +22.1% | $60.60M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 10.94M | +22.1% | $60.60M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 10.94M | +22.1% | $60.60M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 10.94M | +22.1% | $60.60M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 13 | Fidelity (FMR) ✦ | 10.64M | +4.0% | $58.92M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 14 | Fidelity (FMR) ✦ | 10.64M | +4.0% | $58.92M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 15 | Fidelity (FMR) ✦ | 10.64M | +4.0% | $58.92M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 16 | Fidelity (FMR) ✦ | 10.64M | +4.0% | $58.92M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 17 | State Street Global Advisors ✦ (passive) | 6.92M | +48.7% | $38.33M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 18 | Vanguard Capital Management Llc | 5.96M | — | $33.00M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Adage Capital Partners ✦ | 4.30M | -21.8% | $23.82M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 20 | Bank Of America Corp /De/ | 4.26M | +165.3% | $23.60M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 21 | Bank Of America Corp /De/ | 4.26M | +165.3% | $23.60M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 22 | Bank Of America Corp /De/ | 4.26M | +165.3% | $23.60M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 23 | Nuveen, LLC | 4.25M | +45.7% | $23.52M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 24 | Nuveen, LLC | 4.25M | +45.7% | $23.52M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 25 | Nuveen, LLC | 4.25M | +45.7% | $23.52M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 26 | Balyasny Asset Management L.P. | 3.89M | +17.8% | $21.53M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | Ameriprise Financial Inc | 3.45M | -20.7% | $19.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 28 | Ameriprise Financial Inc | 3.45M | -20.7% | $19.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 29 | Ameriprise Financial Inc | 3.45M | -20.7% | $19.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 30 | Geode Capital Management ✦ (passive) | 3.38M | +16.4% | $18.72M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 31 | Geode Capital Management ✦ (passive) | 3.38M | +16.4% | $18.72M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 32 | Qube Research & Technologies Ltd | 3.11M | +30.8% | $17.25M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 33 | Morgan Stanley ✦ | 2.74M | -4.2% | $15.16M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 34 | Morgan Stanley ✦ | 2.74M | -4.2% | $15.16M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 35 | Morgan Stanley ✦ | 2.74M | -4.2% | $15.16M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 36 | Morgan Stanley ✦ | 2.74M | -4.2% | $15.16M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 37 | Morgan Stanley ✦ | 2.74M | -4.2% | $15.16M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 38 | Morgan Stanley ✦ | 2.74M | -4.2% | $15.16M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 39 | Morgan Stanley ✦ | 2.74M | -4.2% | $15.16M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 40 | Goldman Sachs Group ✦ | 2.15M | +21.7% | $11.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 41 | Goldman Sachs Group ✦ | 2.15M | +21.7% | $11.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 42 | Goldman Sachs Group ✦ | 2.15M | +21.7% | $11.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 43 | Point72 Asset Management ✦ | 1.87M | +404.3% | $10.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 44 | UBS Group AG | 1.25M | +230.4% | $6.90M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 45 | UBS Group AG | 1.25M | +230.4% | $6.90M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 46 | UBS Group AG | 1.25M | +230.4% | $6.90M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | Millennium Management ✦ | 1.24M | -56.3% | $6.86M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 48 | Charles Schwab Investment… | 1.10M | +4.3% | $6.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 49 | Northern Trust Corp | 1.09M | +37.2% | $6.02M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 50 | Northern Trust Corp | 1.09M | +37.2% | $6.02M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Northern Trust Corp | 1.09M | +37.2% | $6.02M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Northern Trust Corp | 1.09M | +37.2% | $6.02M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 53 | Northern Trust Corp | 1.09M | +37.2% | $6.02M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 54 | Dimensional Fund Advisors Lp | 924.08K | +28.6% | $5.12M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 55 | Dimensional Fund Advisors Lp | 924.08K | +28.6% | $5.12M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 56 | Dimensional Fund Advisors Lp | 924.08K | +28.6% | $5.12M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 57 | Massachusetts Financial Services Co… | 903.37K | 0.0% | $5.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 58 | Marshall Wace ✦ | 861.48K | +65.3% | $4.77M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 59 | Marshall Wace ✦ | 861.48K | +65.3% | $4.77M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 60 | Marshall Wace ✦ | 861.48K | +65.3% | $4.77M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 61 | Marshall Wace ✦ | 861.48K | +65.3% | $4.77M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 62 | AQR Capital Management ✦ | 777.25K | +0.1% | $4.31M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 63 | AQR Capital Management ✦ | 777.25K | +0.1% | $4.31M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 64 | AQR Capital Management ✦ | 777.25K | +0.1% | $4.31M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 65 | AQR Capital Management ✦ | 777.25K | +0.1% | $4.31M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 66 | AQR Capital Management ✦ | 777.25K | +0.1% | $4.31M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 67 | AQR Capital Management ✦ | 777.25K | +0.1% | $4.31M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 68 | AQR Capital Management ✦ | 777.25K | +0.1% | $4.31M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 69 | Invesco Ltd. | 763.00K | -21.5% | $4.23M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | Invesco Ltd. | 763.00K | -21.5% | $4.23M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 71 | Invesco Ltd. | 763.00K | -21.5% | $4.23M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 72 | Invesco Ltd. | 763.00K | -21.5% | $4.23M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 73 | Russell Investments Group, Ltd. | 711.38K | +4.2% | $3.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 74 | Russell Investments Group, Ltd. | 711.38K | +4.2% | $3.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 75 | Russell Investments Group, Ltd. | 711.38K | +4.2% | $3.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 76 | Russell Investments Group, Ltd. | 711.38K | +4.2% | $3.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 77 | Russell Investments Group, Ltd. | 711.38K | +4.2% | $3.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 78 | Russell Investments Group, Ltd. | 711.38K | +4.2% | $3.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 79 | Russell Investments Group, Ltd. | 711.38K | +4.2% | $3.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 80 | Russell Investments Group, Ltd. | 711.38K | +4.2% | $3.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 81 | D. E. Shaw & Co. ✦ | 702.80K | -32.8% | $3.89M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 82 | D. E. Shaw & Co. ✦ | 702.80K | -32.8% | $3.89M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 83 | Wells Fargo & Company/Mn | 698.74K | +21.8% | $3.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 84 | Wells Fargo & Company/Mn | 698.74K | +21.8% | $3.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 85 | Wells Fargo & Company/Mn | 698.74K | +21.8% | $3.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 86 | Ensign Peak Advisors, Inc | 625.10K | New | $3.46M | 0.0% | New | 1 | SEC ↗ |
| 87 | Citadel Advisors ✦ | 600.13K | +118.0% | $3.32M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 88 | Citadel Advisors ✦ | 600.13K | +118.0% | $3.32M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 89 | Deutsche Bank Ag\ | 562.18K | +0.3% | $3.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 90 | Deutsche Bank Ag\ | 562.18K | +0.3% | $3.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 91 | Deutsche Bank Ag\ | 562.18K | +0.3% | $3.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 92 | Renaissance Technologies ✦ | 544.30K | -32.2% | $3.02M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 93 | Wellington Management ✦ | 521.38K | +31.0% | $2.89M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 94 | Wellington Management ✦ | 521.38K | +31.0% | $2.89M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 95 | Wellington Management ✦ | 521.38K | +31.0% | $2.89M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 96 | Two Sigma Investments ✦ | 471.39K | +42.0% | $2.61M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 97 | T. Rowe Price ✦ | 428.72K | -3.7% | $2.38M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 98 | T. Rowe Price ✦ | 428.72K | -3.7% | $2.38M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 99 | Bank of New York Mellon Corp | 395.02K | +9.2% | $2.19M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 100 | Bank of New York Mellon Corp | 395.02K | +9.2% | $2.19M | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Ensign Peak Advisors, Inc | $3.46M | 0.0% |
Exited
| Hsbc Holdings Plc | $260,358 | was 0.0% |
| Group One Trading Llc | $71,204 | was 0.0% |
| Simplex Trading, Llc | $51,545 | was 0.0% |
| Daiwa Securities Group Inc. | $2,000 | was 0.0% |
| Assetmark, Inc | $1,672 | was 0.0% |
| Northwestern Mutual Wealth… | $20 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 216 holders, 155.62M shares, $854.15M 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 ·
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