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 ↗ ×12 |
| 2 | Fidelity (FMR) ✦ | 10.64M | +4.0% | $58.92M | 0.0% | ▲ Add | 4 | SEC ↗ ×4 |
| 3 | State Street Global Advisors ✦ (passive) | 6.92M | +48.7% | $38.33M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 4 | Vanguard Capital Management Llc | 5.96M | — | $33.00M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Adage Capital Partners ✦ | 4.30M | -21.8% | $23.82M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 6 | Bank Of America Corp /De/ | 4.26M | +165.3% | $23.60M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 7 | Nuveen, LLC | 4.25M | +45.7% | $23.52M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 8 | Balyasny Asset Management L.P. | 3.89M | +17.8% | $21.53M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 9 | Ameriprise Financial Inc | 3.45M | -20.7% | $19.11M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 10 | Geode Capital Management ✦ (passive) | 3.38M | +16.4% | $18.72M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 11 | Qube Research & Technologies Ltd | 3.11M | +30.8% | $17.25M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 12 | Morgan Stanley ✦ | 2.74M | -4.2% | $15.16M | 0.0% | ▼ Trim | 3 | SEC ↗ ×7 |
| 13 | Goldman Sachs Group ✦ | 2.15M | +21.7% | $11.93M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 14 | Point72 Asset Management ✦ | 1.87M | +404.3% | $10.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | UBS Group AG | 1.25M | +230.4% | $6.90M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 16 | Millennium Management ✦ | 1.24M | -56.3% | $6.86M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 17 | Charles Schwab Investment… | 1.10M | +4.3% | $6.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 18 | Northern Trust Corp | 1.09M | +37.2% | $6.02M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 19 | Dimensional Fund Advisors Lp | 924.08K | +28.6% | $5.12M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 20 | Massachusetts Financial Services Co… | 903.37K | 0.0% | $5.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 21 | Marshall Wace ✦ | 861.48K | +65.3% | $4.77M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 22 | AQR Capital Management ✦ | 777.25K | +0.1% | $4.31M | 0.0% | ▲ Add | 8 | SEC ↗ ×7 |
| 23 | Invesco Ltd. | 763.00K | -21.5% | $4.23M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 24 | Russell Investments Group, Ltd. | 711.38K | +4.2% | $3.94M | 0.0% | ▲ Add | 2 | SEC ↗ ×8 |
| 25 | D. E. Shaw & Co. ✦ | 702.80K | -32.8% | $3.89M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 26 | Wells Fargo & Company/Mn | 698.74K | +21.8% | $3.87M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 27 | Ensign Peak Advisors, Inc | 625.10K | New | $3.46M | 0.0% | New | 1 | SEC ↗ |
| 28 | Citadel Advisors ✦ | 600.13K | +118.0% | $3.32M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 29 | Deutsche Bank Ag\ | 562.18K | +0.3% | $3.11M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 30 | Renaissance Technologies ✦ | 544.30K | -32.2% | $3.02M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 31 | Wellington Management ✦ | 521.38K | +31.0% | $2.89M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 32 | Two Sigma Investments ✦ | 471.39K | +42.0% | $2.61M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 33 | T. Rowe Price ✦ | 428.72K | -3.7% | $2.38M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 34 | Bank of New York Mellon Corp | 395.02K | +9.2% | $2.19M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 35 | JPMorgan Chase ✦ | 323.89K | +502.8% | $1.61M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 36 | Bnp Paribas Financial Markets | 255.37K | +314.8% | $1.41M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 37 | Swiss National Bank | 236.00K | New | $1.31M | 0.0% | New | 1 | SEC ↗ |
| 38 | Sei Investments Co | 203.24K | +248.8% | $1.13M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 39 | Rhumbline Advisers | 159.67K | +26.3% | $884,563 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 40 | Susquehanna International Group, Llp | 158.64K | -14.5% | $878,866 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 41 | Manufacturers Life Insurance… | 134.79K | +3.6% | $746,714 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 42 | UBS AM, a distinct business unit of… | 130.65K | New | $723,784 | 0.0% | New | 1 | SEC ↗ ×5 |
| 43 | Victory Capital Management Inc | 115.53K | +682.9% | $640,019 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | Man Group plc | 109.22K | New | $605,090 | 0.0% | New | 1 | SEC ↗ |
| 45 | Alliancebernstein L.P. | 119.05K | -15.4% | $597,631 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 46 | Connor, Clark & Lunn Investment… | 92.71K | New | $513,597 | 0.0% | New | 1 | SEC ↗ |
| 47 | Legal & General Group Plc | 80.05K | +760.1% | $443,454 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 48 | Captrust Financial Advisors | 79.17K | +150.7% | $438,613 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 49 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 76.26K | +39.2% | $414,110 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 50 | Squarepoint Ops LLC | 67.96K | New | $376,476 | 0.0% | New | 1 | SEC ↗ |
| 51 | Janus Henderson Group Plc | 59.10K | New | $327,710 | 0.0% | New | 1 | SEC ↗ |
| 52 | Zurcher Kantonalbank (Zurich… | 53.87K | New | $298,423 | 0.0% | New | 1 | SEC ↗ |
| 53 | Mariner, LLC | 53.24K | +69.9% | $294,765 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 54 | State Of Wisconsin Investment Board | 49.75K | New | $275,593 | 0.0% | New | 1 | SEC ↗ |
| 55 | Jane Street Group, Llc | 47.12K | -90.8% | $261,045 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 56 | Creative Planning | 45.92K | +91.3% | $254,413 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 57 | Canada Pension Plan Investment Board | 40.80K | +131.8% | $226,032 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 58 | Cwm, Llc | 39.65K | +30.9% | $219,672 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 59 | Fifth Third Bancorp | 35.40K | New | $196,105 | 0.0% | New | 1 | SEC ↗ |
| 60 | Lido Advisors, LLC | 31.00K | -11.3% | $171,740 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 61 | Citigroup Inc | 30.82K | +30.4% | $170,726 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 62 | New York State Common Retirement… | 29.57K | 0.0% | $163,807 | 0.0% | Held | 2 | SEC ↗ |
| 63 | ProShare Advisors LLC | 25.59K | +3.6% | $141,797 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | Barclays Plc | 24.29K | -91.6% | $134,571 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 65 | Td Asset Management Inc | 22.76K | -51.4% | $126,090 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 66 | Voya Investment Management Llc | 22.23K | +15.1% | $123,138 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 67 | Wealth Enhancement Advisory… | 21.93K | +12.2% | $120,626 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 68 | Prudential Financial Inc | 20.18K | New | $111,797 | 0.0% | New | 1 | SEC ↗ |
| 69 | Corient Private Wealth LP | 19.70K | -50.0% | $109,161 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | Raymond James Financial Inc | 19.37K | -22.1% | $107,304 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 71 | Mercer Global Advisors Inc /Adv | 18.71K | +80.2% | $103,676 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 72 | Cerity Partners LLC | 17.98K | +21.5% | $99,603 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 73 | Pictet Asset Management Holding SA | 16.70K | New | $92,524 | 0.0% | New | 1 | SEC ↗ |
| 74 | LPL Financial LLC | 13.21K | New | $73,206 | 0.0% | New | 1 | SEC ↗ |
| 75 | American Century Companies Inc | 12.46K | -95.0% | $69,045 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 76 | Mirae Asset Global Investments Co.… | 7.55K | +7.3% | $41,821 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 77 | California State Teachers… | 7.17K | +16.4% | $39,738 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 78 | Jones Financial Companies Lllp | 3.56K | +19.4% | $17,825 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 79 | BNP Paribas Asset Management… | 2.37K | New | $13,113 | 0.0% | New | 1 | SEC ↗ |
| 80 | Rockefeller Capital Management L.P. | 1.66K | +397.6% | $9,207 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 81 | Osaic Holdings, Inc. | 1.27K | -99.1% | $7,030 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 82 | Pnc Financial Services Group, Inc. | 1.13K | 0.0% | $6,271 | 0.0% | Held | 2 | SEC ↗ ×3 |
| 83 | Optiver Holding B.V. | 1.12K | +111.7% | $6,216 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 84 | Royal Bank Of Canada | 1.16K | -59.4% | $6,000 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 85 | Federated Hermes, Inc. | 753 | 0.0% | $4,172 | 0.0% | Held | 2 | SEC ↗ |
| 86 | Us Bancorp \De\ | 77 | New | $427 | 0.0% | New | 1 | 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% |
| Swiss National Bank | $1.31M | 0.0% |
| UBS AM, a distinct business… | $723,784 | 0.0% |
| Man Group plc | $605,090 | 0.0% |
| Connor, Clark & Lunn… | $513,597 | 0.0% |
| Squarepoint Ops LLC | $376,476 | 0.0% |
| Janus Henderson Group Plc | $327,710 | 0.0% |
| Zurcher Kantonalbank (Zurich… | $298,423 | 0.0% |
| State Of Wisconsin Investment… | $275,593 | 0.0% |
| Fifth Third Bancorp | $196,105 | 0.0% |
| Prudential Financial Inc | $111,797 | 0.0% |
| Pictet Asset Management… | $92,524 | 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.
Open-market purchases (P)
Sep 24
Love Douglas
Officer, Director · PRESIDENT AND CEO · 26.07K sh @ 3.83 · $99,829
Open-market sales (S)
No open-market insider sales in our coverage window.
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 07
SC 13G — STATE STREET CORP
Jul 27
SC 13G/A — BlackRock, Inc.
Jul 08
SC 13G/A — Redmile Group, LLC
Jul 08
SC 13G/A — FMR LLC
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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