Institutional Ownership
Annexon Inc
CUSIP 03589W102COMANNXQ1 2026
Institutional Holders
210
13F filers
Shares Held
147.44M
Aggregate institutional
Institutional Value
$808.41M
Q1 2026
Net New Holders
+42
58 new · 16 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions58
Increased87
Decreased49
Sold out16
Institutional Holders
210 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Redmile Group, LLC | 14.55M | $80.61M | +4.50M | Added |
| 2 | Blackrock, Inc. | 10.94M | $60.60M | +1.98M | Added |
| 3 | Fmr LLC | 10.64M | $58.92M | +413.2K | Added |
| 4 | Bvf Inc/Il | 8.70M | $48.19M | −429.9K | Reduced |
| 5 | State Street Corp | 6.92M | $38.33M | +2.27M | Added |
| 6 | Bain Capital Life Sciences Investors, LLC | 5.21M | $28.88M | −36.4K | Reduced |
| 7 | Bellevue Group AG | 5.16M | $28.57M | 0 | Held |
| 8 | Mak Capital One LLC | 4.72M | $26.17M | +1.77M | Added |
| 9 | Adage Capital Partners Gp, L.L.C. | 4.30M | $23.82M | −1.20M | Reduced |
| 10 | Bank Of America Corp /De/ | 4.26M | $23.60M | +2.65M | Added |
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