DOSSIER · 13F Holders · Q4 2025Most-boughtAI cap-ex
BRNS

BARINTHUS BIOTHERAPEUTICS PL

15 institutions still hold BARINTHUS BIOTHERAPEUTICS PL as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 91864C107·15 13F holders·last filed Dec 31, 2025
Market cap
6.8%
vs prior quarter
13F value held
$49M
64.0% inst. owned
of float
Holders
15
-5 QoQ
filers reporting
Activity
+45 / −55
+814 added · −757 reduced
this quarter
Concentration
86.24%
HSG Holding Ltd #1
top holder share
AI Holders Summary · Q4 2025

15 institutions reported BRNS in Q4 2025. HSG Holding Ltd leads at 86.2% of the visible book. -5 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
HSG Holding Ltd
CIK 0001470766
$42M1.4M2.23%Q4 2025
02
M&G Plc
CIK 0001802539
$5M5.2M0.03%Q1 2026
03
GLR Partners, LLC
CIK 0002134831
$707,4821.2M0.39%Q1 2026
04
DC Funds, LP
CIK 0001869028
$365,414642K24.59%Q1 2026
05
Rangeley Capital, LLC
CIK 0001517796
$90,736159K0.09%Q1 2026
06
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$85,919151K0.00%Q1 2026
07
CITADEL ADVISORS LLC
CIK 0001423053
$83,171119K0.00%Q4 2025
08
Johns Hopkins University
CIK 0001764756
$69,553122K0.01%Q1 2026
09
Baird Financial Group, Inc.
CIK 0001648711
$60,292106K0.00%Q1 2026
10
GTS SECURITIES LLC
CIK 0001452765· Market maker
$41,87673K0.00%Q1 2026
11
HighTower Advisors, LLC
CIK 0001462245
$21,30937K0.00%Q1 2026
12
RHUMBLINE ADVISERS
CIK 0001115418
$6,68312K0.00%Q1 2026
13
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$6,62212K0.00%Q1 2026
14
MORGAN STANLEY
CIK 0000895421
$1,2582K0.00%Q1 2026
15
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025