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ANNX Annexon Inc.

Health Care, filed as ANNEXON INC (COM), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab

Bought by 1 manager in 2026 Q2, sold by 2

  • 3 Owners
  • Max 2.3%
  • $28M
  • 1 add 1 reduce 1 exit

In 2026 Q2 Nathan Fischel added to Annexon, James Silverman trimmed, and Polen Capital Management sold out.

Who owns this now

Largest portfolio weights among holders, up to 2.3% (Palo Alto Investors). Not free-float ownership.

  1. Palo Alto Investors 2.3%
  2. James Silverman Reduce 0.89%
  3. Nathan Fischel Add 0.32%

Who owns ANNX

Sorted by value, long equity only, as of 2026 Q2.

History
Palo Alto Investors 2.3% Hold 2,948,090 $17M History
James Silverman, Opaleye Management 0.89%, was 1.7% Reduce −26.5% 1,714,451 $9.8M History
Nathan Fischel, Dafna Capital Management 0.32%, was 0.14% Add +152.8% 297,812 $1.7M History
Polen Capital Management exited 2026 Q2 Last 2026 Q1 <0.01% Exit 0.00% 70,152 $389K History

3 current, 1 exited last period, options excluded

Weight bar: held both quarters added sold at this quarter’s reported price

Insider trades

Open-market buys and sales by ANNX's executives, directors and 10% owners in the last 12 months, from their Form 4s

All ANNX insider trades
  • $12.4M bought by 4 insiders
  • None no sales outside a trading plan
  • None no planned (10b5-1) sales
  1. Douglas Love CEO
    Buy
    $100K 26,065 shares at $3.83 +7.2% to stake
    Traded Sep 24 Filed Sep 25
    ↗
  2. Muneer A Satter Director
    Buy
    $3.3M 613,497 shares at $5.41 +6.3% to stake
    Traded May 28 Filed May 29
    ↗
  3. William H. Carson Director
    Buy
    $46K 8,000 shares at $5.78 +11% to stake
    Traded May 11 Filed May 13
    ↗
  4. William H. Carson Director
    Buy
    $50K 8,000 shares at $6.20 +13% to stake
    Traded Apr 10 Filed Apr 14
    ↗
  5. William H. Carson Director
    Buy
    $45K 8,000 shares at $5.67 +15% to stake
    Traded Mar 10 Filed Mar 12
    ↗
  6. William H. Carson Director
    Buy
    $21K 4,115 shares at $5.02 +8.2% to stake
    Traded Dec 30, 2025 Filed Jan 2
    ↗
  7. William H. Carson Director
    Buy
    $18K 4,115 shares at $4.47 +8.9% to stake
    Traded Dec 1, 2025 Filed Dec 3, 2025
    ↗
  8. Jung Choi Director
    Buy
    $138K 33,000 shares at $4.19 New stake
    Traded Dec 1, 2025 Filed Dec 3, 2025
    ↗
  9. Muneer A Satter Director
    Buy
    $3.6M 822,613 shares at $4.38 +9.2% to stake
    Traded Nov 20–21 Filed Nov 21, 2025
    ↗
  10. Muneer A Satter Director
    Buy
    $5.1M 1,500,000 shares at $3.37 +20% to stake
    Traded Nov 17–19 Filed Nov 19, 2025
    ↗
  11. William H. Carson Director
    Buy
    $13K 4,115 shares at $3.17 +9.8% to stake
    Traded Oct 30, 2025 Filed Oct 31, 2025
    ↗

Also filed in the last 12 months, not counted as buying or selling: 10 sales to cover taxes, 5 stock grants, and 1 option exercise.

SEC filings

Recent issuer filings from EDGAR, 18 shown.

Filed Form Detail Links
8-K 2.02,8.01,9.01 Filing Doc
10-Q Filing Doc
8-K 5.02,7.01,9.01 Filing Doc
SCHEDULE 13G — Filing Doc
8-K 8.01,9.01 Filing Doc
8-K 1.01,2.03,8.01,9.01 Filing Doc
SCHEDULE 13G/A — Filing Doc
SCHEDULE 13G/A — Filing Doc
SCHEDULE 13G/A — Filing Doc
8-K 5.07 Filing Doc
SCHEDULE 13G/A — Filing Doc
8-K 2.02,9.01 Filing Doc
10-Q Filing Doc
DEF 14A Filing Doc
DEFA14A Filing Doc
8-K 2.02,9.01 Filing Doc
10-K Filing Doc
SCHEDULE 13G/A — Filing Doc

Source: SEC EDGAR submissions, updated 14 days ago. All on EDGAR

Financials

US-GAAP annual figures by fiscal year, as tagged in Form 10-K. Each value links to its SEC filing.

Income statement

Metric FY2023 FY2024 FY2025
Net income -$134.24M -$138.2M -$206.69M

Balance sheet

Metric FY2023 FY2024 FY2025
Total current assets $263.86M $316.46M $242.19M
Total non-current assets * $33.81M $33.61M $35.38M
Total assets $297.67M $350.07M $277.57M
Total current liabilities $17.93M $30.51M $42.63M
Total non-current liabilities * $29.19M $26.45M $23.29M
Total equity $250.56M $293.1M $211.65M

Cash flow

Metric FY2023 FY2024 FY2025
Cash from operations -$121.14M -$118.01M -$186.36M
Cash from investing $70.7M -$218.8M $190.05M
Cash from financing $135.52M $161.21M $108.86M
Net change in cash * $85.08M -$175.6M $112.55M

Source: SEC companyfacts (US-GAAP 10-K). A * marks a computed figure, not a single XBRL tag. Fiscal years are as the issuer labels them. Follow The Filings does not adjust or audit these figures.

Ownership over time

13Fs that reported it each quarter. Click a bar for that quarter’s holders.