Annexon
ANNX
99 hedge funds and large institutions have $366M invested in Annexon in 2023 Q4 according to their latest regulatory filings, with 20 funds opening new positions, 37 increasing their positions, 27 reducing their positions, and 13 closing their positions.
200% more funds holding in top 10
Funds holding in top 10: 1 → 3 (+2)
190% more capital invested
Capital invested by funds: $126M → $366M (+$240M)
54% more first-time investments, than exits
New positions opened: 20 | Existing positions closed: 13
37% more repeat investments, than reductions
Existing positions increased: 37 | Existing positions reduced: 27
6% more funds holding
Funds holding: 93 → 99 (+6)
2.48% more ownership
Funds ownership: 100.62% → 103.11% (+2.5%)
21% less call options, than puts
Call options by funds: $136K | Put options by funds: $172K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$23.7M |
| 2 |
BI
BVF Inc
San Francisco,
California
|
+$17.3M |
| 3 |
Adage Capital Partners
Boston,
Massachusetts
|
+$6.56M |
| 4 |
IC
Ikarian Capital
Dallas,
Texas
|
+$6.56M |
| 5 |
BCLSI
Bain Capital Life Sciences Investors
Boston,
Massachusetts
|
+$5.84M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Blackstone Inc
New York
|
-$2.15M |
| 2 |
SAM
Simplify Asset Management
Las Vegas,
Nevada
|
-$1.16M |
| 3 |
Federated Hermes
Pittsburgh,
Pennsylvania
|
-$1.14M |
| 4 |
VCIM
Velan Capital Investment Management
Alpharetta,
Georgia
|
-$1.09M |
| 5 |
LGM
Logos Global Management
San Francisco,
California
|
-$866K |
ANNX Hedge Fund Activity: Q4 2023 in Review
99 of the 6,869 institutional investors tracked by Wall St. Rank reported a position in Annexon (ANNX) for Q4 2023, worth a combined $366M — up 190% from $126M a quarter earlier.
Buyers outnumbered sellers: 20 funds opened new ANNX positions and 13 closed out — a net gain of 7 holders — while 37 added to existing stakes and 27 trimmed.
The largest buyer was Fidelity Investments, adding an estimated $23.7M. The largest seller was Blackstone Inc, exiting entirely with an estimated $2.15M sold.
- 99 institutional investors held Annexon (ANNX) as of Q4 2023, up from 93 in Q3 2023.
- Funds reported $366M of Annexon stock for Q4 2023, up 190% quarter-over-quarter.
- 20 funds opened new Annexon positions in Q4 2023 and 13 closed out, a net change of +7 holders.
- The largest Annexon buyer in Q4 2023 was Fidelity Investments, an estimated $23.7M added.
- The largest Annexon seller in Q4 2023 was Blackstone Inc, an estimated $2.15M sold.
Based on aggregated 13F filings for Q4 2023.