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ANNX · Annexon, Inc.

Company guidance, FDA catalysts, dilution risk and cash runway, built from SEC, FDA and ClinicalTrials.gov filings and updated every day.

$395M Cash on Hand
25mo Cash Runway
18.4% Short Interest
$15.43 Analyst Target (7)
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📣 What ANNX Says Is Next

Quoted word for word from the company's press releases filed with the SEC. Timing is the company's own guidance, not a BioRadar estimate.

🧪 Trial & FDA Catalysts

📊 Drug Pipeline

DrugIndicationMost advanced trialStatus
ANX005 Guillain-Barre Syndrome Phase 3 · NCT04701164 Completed
Tanruprubart Guillain-Barre Syndrome Phase 3 · NCT07020819 Recruiting
Vonaprument Geographic Atrophy Phase 3 · NCT06510816 Active not recruiting
ANX007 Geographic Atrophy Phase 2 · NCT04656561 Completed
ANX009 Lupus Nephritis Phase 1 · NCT05780515 Completed
ANX105 Healthy Phase 1 · NCT05288881 Completed
ANX1502 Healthy Phase 1 · NCT05521269 Completed
Immunoglobulin Guillain-Barré Syndrome Phase 1 · NCT04035135 Completed
IVIg Safety and Tolerability in Healthy Volunteers Phase 1 · NCT03010046 Terminated

Source: ClinicalTrials.gov trials sponsored by the company, one row per candidate at its most advanced registered trial. FDA approvals: Drugs@FDA. Wrong or missing drug? Report it

💰 Cash Runway & Dilution Risk

ANNX holds $395M in cash and short-term investments (as of Jun 30, 2026) and burns about $47.4M/quarter from operations, an estimated runway of 25 months at that rate (BioRadar estimate, not company guidance).

Dilution pressure: 20 · Moderate

Recent financing filings on SEC EDGAR:

Source: SEC EDGAR (XBRL cash flow and financing filings). Dilution Watch: every company ranked → · Get an alert when ANNX files for a raise →

👥 Who Owns ANNX

Insiders 30.3% Institutions 69.7% Public and other holders 0%
HolderTypeShares% of sharesAs of
FMR LLC Institution (13G, 5%+) 19,518,496 50.61% 2026-06-30
Redmile Group, LLC Institution (13G, 5%+) 17,918,459 46.46% 2026-07-01
BlackRock, Inc. Institution (13G, 5%+) 13,128,281 34.04% 2026-06-30
Muneer A Satter
Director · +120,000 options
Insider 10,342,134 26.82% 2026-05-28
STATE STREET CORPORATION Institution (13G, 5%+) 9,824,321 25.48% 2026-06-30
BVF PARTNERS L P/IL Institution (13G, 5%+) 8,698,173 22.56% 2026-03-31
BVF Inc. Institution (13F) 8,698,173 22.56% 2026-06-30
Woodline Partners LP Institution (13F) 6,925,067 17.96% 2026-06-30
Vanguard Capital Management LLC Institution (13F) 6,871,015 17.82% 2026-06-30
MAK Capital One LLC Institution (13F) 5,862,180 15.20% 2026-06-30
Goldman Sachs Group Inc Institution (13F) 5,825,579 15.11% 2026-06-30
Siren, L.L.C. Institution (13F) 4,458,646 11.56% 2026-06-30

Share count 38,563,565 (latest 10-Q/10-K). Insiders: each officer's, director's and 10% owner's latest Form 3, 4 or 5, direct and indirect shares; options are not counted. 5%+ holders: latest Schedule 13D or 13G of each holder above 5%. Institutions: the largest 13F holders (13F quarter ending 2026-06-30). Sources have different dates, so the split is approximate. Source: SEC EDGAR.

📈 Recent Insider Activity (Form 4)

Trade dateInsiderTransactionSharesPriceOwned after
2026-09-24
filed 2026-09-25
Love Douglas
Purchase (P) 26,065 $3.83 390,476
2026-08-10
filed 2026-08-12
Blumenkranz Mark S.
Option award (A) 175,000 – –
2026-06-11
filed 2026-06-15
Cockroft Bettina M.
Option award (A) 65,000 – –
2026-06-11
filed 2026-06-15
Carson William H.
Option award (A) 65,000 – –
2026-06-11
filed 2026-06-15
Yednock Ted
Option exercise (M) 30,646 – –

Only open-market purchases (P) and sales (S) are trading decisions. Awards (A), option exercises (M) and tax withholding (F) are compensation mechanics. Source: SEC Form 4.

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Data: SEC EDGAR, FDA, ClinicalTrials.gov, Yahoo Finance • Informational purposes only, not investment advice. • All tracked stocks A–Z

This data is for informational purposes only, not investment advice. BioRadar does not provide buy/sell recommendations. Past performance does not guarantee future results. Always do your own due diligence.