ANNX

Annexon INC

+$176.3M

Net Activity

Institutions Holding

217

Popularity Rank

#2692

Avg Weight

0.14%

Total Value

$868.3M

Ownership Trend

217 institutions currently hold ANNX, with 148 net buyers and 64 net sellers this quarter.

Institutional Moves

Institutional Moves (Q1 2026)

Majority Increased

Based on recent trading activity

Net Selling Institutions

64

Net Buying Institutions

148

Key Holders

Key Holders

Top 5 by Value

RG
Redmile Group, LLC
$80.6M
BI
BlackRock, Inc.
$60.6M
FL
FMR LLC
$58.9M
BI
Bvf Inc/il
$48.2M
SS
State Street CORP
$38.3M

Top 5 by Conviction

RG
Redmile Group, LLC
5.34%
MC
Mak Capital One LLC
3.86%
GP
Great Point Partners LLC
3.18%
BC
Bain Capital Life Sciences Investors, LLC
2.60%
PA
Palo Alto Investors LP
2.50%
View all 217 holding institutions

Quarterly Activity

Recent Activity

+$568.4M

Total Buy Value

$291.0M

Total Sell Value

New buy59
Trim48
Add89
Sold out16

148

Net Buyers

64

Net Sellers

Insider Trading (Form 4)

Form 144 Pre-Sale Notices

1

Filings (90d)

$6K

Total Est. Value

1K shares

Planned Shares

Last Filed 2026-07-14
FilerFiling DateEst. Value
WIGGANS THOMAS G2026-07-14$6K

Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。

Beneficial Ownership (13D/13G)

2

Active 5%+ Holders

Data as of 2026-07-08
Reporting PersonTypeFiling Date% of Class
FMR LLC13G/A2026-07-0811.9%
Redmile Group, LLC13G/A2026-07-089.9%

View all Schedule 13D/13G filings

Material Events (8-K)

No Form 8-K filings for this ticker

FAQ

Who are the top institutional investors holding ANNEXON INC (ANNX)?
Major stakeholders currently include Redmile Group, LLC ($80.6M), BlackRock, Inc. ($60.6M), FMR LLC ($58.9M). Based on the latest 13F filings, there are a total of 217 tracked investment funds and institutions maintaining positions in ANNX.
What is the overall institutional sentiment toward ANNX recently?
Institutional sentiment appears Bullish (Net Buying). During the most recent reporting quarter, the stock experienced a net inflow of $176.3M, driven by 148 managers accumulating shares while 64 reduced their exposure.
Which institutions have been selling or reducing their ANNX positions?
In the latest period, 48 funds trimmed their holdings, and 16 managers completely exited their positions. The aggregate reported sell value was $291.0M.
Are there any notable investors adding ANNX to their portfolios?
Yes, buying activity remains notable. 59 institutions opened new positions in {ticker}, and 89 existing holders added to their shares. The total reported buy value for the quarter amounted to $568.4M.

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