Stock

Fibrogen Inc

Ticker not mapped · held by 32 managers

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025

Reported value

$6.3M

Holders

+4 new · −8 exited

Holders’ est. mark

−$1.41M

Price effect on 24 books still in the name

Largest holder

$2.71M

ARMISTICE CAPITAL, LLC

Notable conviction

Share of each notable manager’s 13F book.

Renaissance Technologies0.0% · $186.3K
State Street0.0% · $137.5K

Holder count by quarter

Q2 2025 Q3 2025 Q4 2025 Q1 2026

Who holds it

Notable only

Investor	Shares	Value	Est. mark	Change
ARMISTICE CAPITAL, LLC	400K	$2.71M	−$800K	Cut−$800K
VANGUARD CAPITAL MANAGEMENT LLC	156.6K	$1.06M	—	Held
BlackRock, Inc.	84.3K	$571.8K	−$168.7K	Cut−$171.8K
TWO SIGMA INVESTMENTS, LP	49.5K	$335.7K	−$99K	Cut−$201.7K
GEODE CAPITAL MANAGEMENT, LLC	46K	$311.9K	−$87.4K	Cut−$71.9K
HighTower Advisors, LLC	39.7K	$269.5K	−$79.5K	Cut−$79.5K
UBS Group AG	27.6K	$187.1K	−$18.9K	Added$104.3K
Renaissance Technologies	27.5K	$186.3K	−$55K	Cut−$91.8K
VANGUARD FIDUCIARY TRUST CO	23.9K	$162.3K	—	Held
Birchview Capital, LP	22.6K	$153K	—	New
State Street	20.3K	$137.5K	−$40.6K	Cut−$40.6K
JANE STREET GROUP, LLC	12.2K	$82.9K	−$24.5K	Cut−$26.8K
ADAR1 Capital Management, LLC	10.5K	$71K	−$20.9K	Cut−$20.9K
GROUP ONE TRADING LLC	4.49K	$30.5K	−$8.98K	Cut−$9.83K
Vanguard Global Advisers, LLC	1.42K	$9.65K	—	Held
Axiom Investment Management LLC	704	$4.77K	—	Held
MORGAN STANLEY	488	$3.31K	−$977	Cut−$48.7K
Tower Research Capital LLC (TRC)	332	$2.25K	−$431	Added$355
HARBOUR INVESTMENTS, INC.	200	$1.36K	—	New
NATIONAL BANK OF CANADA /FI/	193	$1.3K	—	New
OSAIC HOLDINGS, INC.	180	$1.22K	−$204	Added$325
SBI Securities Co., Ltd.	152	$1.03K	−$304	Cut−$304
ROYAL BANK OF CANADA	137	$1K	$7	Held
ACADIAN ASSET MANAGEMENT LLC	105.6K	$714	−$211	Cut−$211
BNP PARIBAS FINANCIAL MARKETS	50	$339	−$98	Cut−$91
CWM, LLC	26	$176	$176	Added$176
JPMORGAN CHASE & CO	12	$78	−$27	Cut−$27
CFG Wealth Management Services, Inc.	3	$20	−$6	Cut−$6
CITIGROUP INC	1	$7	—	New
DANSKE BANK A/S	1	$7	−$2	Cut−$2
US BANCORP \DE\	1	$7	−$2	Cut−$2
Smithfield Trust Co	1	$0	$0	Held

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.