Annexon, Inc.
ANNXFigures shown here come from public SEC filings. Dates beside each section show the available history.
How Annexon, Inc. Makes Money
No flow chart is shown because the available revenue and expense lines do not reconcile exactly. The reported financial history below remains available.
Financial Summary
Choose a year or quarter, compare it with the same period a year earlier, and open any row for its full filing history.
Loading financial history…
SEC filings supply these figures; updates after the dates shown are not included. This page includes 7 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated Jun 15, 2026. The latest institutional report shown is dated Mar 31, 2026; other ownership filings may exist.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Reported 13F positions
Each row shows what a filer reported for one date, not a current position. The link opens that filing.
| Filer | Report date | Shares | Value | Filing |
|---|---|---|---|---|
| GREAT POINT PARTNERS LLC | 2026-03-31 | 2,500,000 | $13.9M | SEC filing |
| SJS Investment Consulting Inc. | 2026-03-31 | 17 | $95 | SEC filing |
| FOX RUN MANAGEMENT, L.L.C. | 2026-03-31 | 17,678 | $87.7K | SEC filing |
| RHUMBLINE ADVISERS | 2026-03-31 | 159,670 | $885K | SEC filing |
| Ikarian Capital, LLC | 2026-03-31 | 580,244 | $3.21M | SEC filing |
| Merit Financial Group, LLC | 2026-03-31 | 10,745 | $59.5K | SEC filing |
| Rosalind Advisors, Inc. | 2026-03-31 | 200,000 | $1.11M | SEC filing |
| DIMENSIONAL FUND ADVISORS LP | 2026-03-31 | 924,078 | $5.12M | SEC filing |
| Susquehanna Portfolio Strategies, LLC | 2026-03-31 | 360,319 | $2M | SEC filing |
| DAFNA Capital Management LLC | 2026-03-31 | 117,812 | $653K | SEC filing |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 2026-03-31 | 7,173 | $39.7K | SEC filing |
| Y-Intercept (Hong Kong) Ltd | 2026-03-31 | 1,319,913 | $7.31M | SEC filing |
| Creative Planning | 2026-03-31 | 45,923 | $254K | SEC filing |
| Mirae Asset Global Investments Co., Ltd. | 2026-03-31 | 7,549 | $41.8K | SEC filing |
| SILVERARC CAPITAL MANAGEMENT, LLC | 2026-03-31 | 496,461 | $2.75M | SEC filing |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 2026-03-31 | 148,941 | $825K | SEC filing |
| Bank of New York Mellon Corp | 2026-03-31 | 395,019 | $2.19M | SEC filing |
| CANADA PENSION PLAN INVESTMENT BOARD | 2026-03-31 | 40,800 | $226K | SEC filing |
| Rafferty Asset Management, LLC | 2026-03-31 | 203,269 | $1.13M | SEC filing |
| Harbor Advisors LLC | 2026-03-31 | 10,000 | $55.4K | SEC filing |
120 filers have only one report here.
Unusually large insider trades
Each trade is compared with the other insider trades of the same kind in the same security among Annexon, Inc.'s recent filings on file. Size alone is context, not a prediction or evidence of improper trading.
- 2026-05-28 · Satter Muneer A: Larger than 27 of the 29 other insider purchases of Common Stock on file. SEC filing
- 2023-02-10 · Satter Muneer A: Larger than all 29 other insider purchases of Common Stock on file. SEC filing
- 2022-07-07 · Satter Muneer A: Larger than 28 of the 29 other insider purchases of Common Stock on file. SEC filing
Independent insiders buying near the same time
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-05-28 | Satter Muneer A · Director | Common Stock | P — Open market or private purchase | +613,497 | 5.41 | SEC filing |
| 2026-05-11 | Carson William H. · Director | Common Stock | P — Open market or private purchase | +8,000 | 5.78 | SEC filing |
| 2026-04-10 | Carson William H. · Director | Common Stock | P — Open market or private purchase | +8,000 | 6.20 | SEC filing |
| 2026-03-10 | Carson William H. · Director | Common Stock | P — Open market or private purchase | +8,000 | 5.67 | SEC filing |
| 2026-03-02 | Yednock Ted · EVP & CHIEF INNOVATION OFFICER | Common Stock | S — Open market or private sale | −5,566 | 5.42 | SEC filing |
| 2026-03-02 | Lew Jennifer · EVP & CHIEF FINANCIAL OFFICER | Common Stock | S — Open market or private sale | −5,565 | 5.42 | SEC filing |
| 2026-03-02 | Dananberg Jamie · CHIEF MEDICAL OFFICER | Common Stock | S — Open market or private sale | −5,820 | 5.43 | SEC filing |
| 2026-03-02 | Overdorf Michael · EVP & CHIEF BUSINESS OFFICER | Common Stock | S — Open market or private sale | −4,339 | 5.42 | SEC filing |
Showing 8 of 20 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-06-11 | Yednock Ted · EVP & CHIEF INNOVATION OFFICER | Common Stock | M — Exercise or conversion of derivative security | +30,646 | SEC filing |
| 2026-06-11 | Yednock Ted · EVP & CHIEF INNOVATION OFFICER | Stock Option (Right to Buy) | M — Exercise or conversion of derivative security | −30,646 | SEC filing |
| 2026-06-11 | Choi Jung · Director | Stock Option (Right to Buy) | A — Grant, award, or other acquisition | +65,000 | SEC filing |
| 2026-06-11 | JONES WILLIAM A JR · Director | Stock Option (Right to Buy) | A — Grant, award, or other acquisition | +65,000 | SEC filing |
| 2026-06-11 | Carson William H. · Director | Stock Option (Right to Buy) | A — Grant, award, or other acquisition | +65,000 | SEC filing |
| 2026-06-11 | Waddill William D. · Director | Stock Option (Right to Buy) | A — Grant, award, or other acquisition | +65,000 | SEC filing |
| 2026-06-11 | Satter Muneer A · Director | Stock Option (Right to Buy) | A — Grant, award, or other acquisition | +65,000 | SEC filing |
| 2026-06-11 | Cockroft Bettina M. · Director | Stock Option (Right to Buy) | A — Grant, award, or other acquisition | +65,000 | SEC filing |
Showing 8 of 20 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.