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Annexon, Inc. (ANNX) research

Annexon, Inc.
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Sector
Biotechnology
Last price
$4.20
As of

Kresmion compiles this page from ANNX's SEC filings, its 13F institutional holders and the market events Kresmion detects, each linked to its source.

Annexon, Inc. (ANNX): 6 institutional managers tracked by Kresmion reported non-option positions in their 2026Q2 Form 13F filings, and the most recent SEC filing on record for the company is a Form 10-Q filed 2026-08-12.

As of . Source: SEC EDGAR filings for ANNX. Method and limitations.

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You are seeing 5 of 8 signals recorded on ANNX since 2026-07-24.

The five above landed across 2 days. The other 3 were recorded on 2 other days. 6 of the 8 are institutional flow rows, which arrive in batches on filing days.

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Largest reported share positions in ANNX (2026Q2)

Manager / securityMarket value% portfolioQoQ
Point72 Asset Management, L.P.CUSIP 03589W102 · 2026Q2$7.9M0.01%,
MILLENNIUM MANAGEMENT LLCCUSIP 03589W102 · 2026Q2$6.8M0.00%,
CITADEL ADVISORS LLCCUSIP 03589W102 · 2026Q2$3.4M0.00%,
TWO SIGMA INVESTMENTS, LPCUSIP 03589W102 · 2026Q2$2.9M0.00%,
RENAISSANCE TECHNOLOGIES LLCCUSIP 03589W102 · 2026Q2$2.6M0.00%,
D. E. Shaw & Co., Inc.CUSIP 03589W102 · 2026Q2$1.5M0.00%,

Quarterly SEC Form 13F disclosures from the managers Kresmion tracks, not a complete ownership ranking. Non-option holdings only; reported put and call positions are excluded. Different securities are labeled by CUSIP. Values are reporting-period snapshots, not current position values. Filings can arrive up to 45 days after quarter-end.

Recent SEC filings, ANNX

ANNX against its peers

ANNX's return on equity of -97.7% ranks in the 18th percentile of 19 Biotechnology sub-industry peers, fiscal periods ending between 2025-06-30 and 2025-12-31.

MetricANNXPeer medianPercentilen
Revenue FYn/a42.7Mn/a11
Operating marginn/a-229.1%n/a10
Net marginn/a-237.9%n/a11
Return on equity-97.7%-42.8%1819

Peers (20): ACHV, AVTX, LXRX, DSGN, GERN, FDMT, SGP, OLMA, SLDB, CADL, GYRE, DBVT, IMMX, SANA, WVE, IMMP, ABUS, VSTM, ARDX, TBPH. Left out: ATTO (no annual filing), OBX (no annual filing), HELP (period gap), ETRA (no annual filing), IVA (period gap). Fiscal periods ending between 2025-06-30 and 2025-12-31. Every figure is one full fiscal year read from one annual filing (ANNX: 10-K), reported in USD. Nothing is trailing twelve months and nothing is converted between currencies. Source: SEC EDGAR XBRL company facts (public domain); prices from Kresmion's daily equity market-data snapshot. Open the full comparison.

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