13F Insight
DOSSIER · 13F Holders · Q1 2026
KYNB

FIBROGEN INC

36 institutions still hold FIBROGEN INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 31572Q881·36 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$8M
visible holders
Holders
36
filers reporting
Concentration
31.98%
ARMISTICE CAPITAL, LLC #1
top holder share
AI Holders Summary · Q1 2026

36 institutions reported KYNB in Q1 2026. ARMISTICE CAPITAL, LLC leads at 32.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
ARMISTICE CAPITAL, LLC
CIK 0001601086
$3M400K0.05%Q1 202602
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$1M157K0.00%Q1 202603
ACADIAN ASSET MANAGEMENT LLC
CIK 0000916542
$714K106K0.00%Q1 202604
BlackRock, Inc.
CIK 0002012383
$637K84K0.00%Q2 202605
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$606K89K0.00%Q1 202606
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$336K50K0.00%Q1 202607
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$312K46K0.00%Q1 202608
HighTower Advisors, LLC
CIK 0001462245
$300K40K0.00%Q2 202609
MARSHALL WACE, LLP
CIK 0001318757
$285K33K0.00%Q4 202510
TWO SIGMA ADVISERS, LP
CIK 0001478735
$200K23K0.00%Q4 202511
UBS Group AG
CIK 0001610520
$187K28K0.00%Q1 202612
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$186K27K0.00%Q1 202613
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$162K24K0.00%Q1 202614
STATE STREET CORP
CIK 0000093751
$153K20K0.00%Q2 202615
Birchview Capital, LP
CIK 0001618205
$153K23K0.09%Q1 202616
CITADEL ADVISORS LLC
CIK 0001423053
$147K17K0.00%Q4 202517
WOLVERINE TRADING, LLC
CIK 0000927337
$142K12K0.00%Q3 202518
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$83K12K0.00%Q1 202619
ADAR1 Capital Management, LLC
CIK 0001940272
$71K10K0.00%Q1 202620
GROUP ONE TRADING LLC
CIK 0000932540
$30K4K0.00%Q1 2026
Page 1 of 2
16 more holders available. Log in →
Insiders at FIBROGEN INC
Kauffman Michael →Edwards Jeffrey L →Ho Maykin →Schoeneck James A →Delucia David →Wettig Thane →