SC Filed 2021-08-27 Event — SEC 0001193125-21-259433 →

Blackstone Holdings II L.P. → Annexon, Inc. ANNX

Stake: — Shares: —

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 25/100 · Filer 90d Win Rate: 0% · Hist. 90d Edge: +0.0%

Passive Schedule 13G filer baseline
Held by 1 tracked 13F institutional manager
Elevated short days-to-cover (10.3 DTC)

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

2 13D/G filings on this issuer

1 other filing besides this one

Filer Track Record

13 filings by this filer

12 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 10.31

31,627,401 shares short · -1.2% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

1 holder · $1.86M

Point72 Asset Mgmt

Other 13D/G Filings on Annexon, Inc.

Filed	Form	Filer	Stake	Shares
2026-08-07	SCHEDULE 13G	STATE STREET CORP	—	—	view →

Other Filings by Blackstone Holdings II L.P.

Filed	Form	Issuer	Stake	Shares
2026-10-07	SCHEDULE 13D	VARAGON CAPITAL CORPORATION	23.40%	9,728,256	view →
2025-08-05	SCHEDULE	Finance of America Companies Inc. FOA	50.50%	8,029,817	view →
2025-03-10	SCHEDULE	GENESIS ENERGY LP GEL	5.50%	7,034,927	view →
2024-08-26	SC	GENESIS ENERGY LP GEL	—	—	view →
2024-04-03	SC	Finance of America Companies Inc. FOA	—	—	view →
2024-01-08	SC	Alight, Inc. / Delaware ALIT	—	—	view →
2022-09-01	SC	Array Technologies, Inc. ARRY	—	—	view →
2022-03-07	SC	CorePoint Lodging Inc.	—	—	view →
2022-01-11	SC	Array Technologies, Inc. ARRY	—	—	view →
2021-11-09	SC	CorePoint Lodging Inc.	—	—	view →
2020-05-19	SC	Centric Brands Inc.	—	—	view →
2020-04-27	SC	Centric Brands Inc.	—	—	view →

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