Plus TherapeuticsCNSY

13F holders, Q4 2025 (December 31)
27holders +4
10new positions
6sold out
1famous investor
$0.51avg. 13F price*

At the end of Q4 2025, 27 institutions reported holding Plus Therapeutics Inc. (CNSY) in their 13F filings, up 4 from Q3 2025. 10 opened new positions and 6 sold out. The largest holders were Vanguard Group Inc. ($1.2M), L1 Global Manager Pty Ltd ($1.2M) and BlackRock, Inc. ($910K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Plus Therapeutics Inc.
CUSIP
72941H509
Latest filing quarter
Q1 2026

History

Number of 13F holders

0102030 Q1 2024: 10Q1 2024Q2 2024: 12Q2 2024Q3 2024: 11Q3 2024Q4 2024: 11Q4 2024Q1 2025: 17Q1 2025Q2 2025: 19Q2 2025Q3 2025: 23Q3 2025Q4 2025: 27Q4 2025Q1 2026: 24Q1 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions10$1.1M
Exits6$796K

All 13F filers, Q3 2025 → Q4 2025: 5,239,166 shares bought and 1,166,327 shares sold, net +4,072,839 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 27 holders

Vanguard Group Inc. 0.00% Add +57.5% 2,279,414 $1.2M
L1 Global Manager Pty Ltd 0.76% — 2,277,703 $1.2M
BlackRock, Inc. 0.00% Add +278.4% 1,776,372 $910K
Geode Capital Management, LLC 0.00% Add +72.5% 1,402,794 $719K
Jane Street Group, LLC 0.00% New 1,023,905 $525K
UBS Group AG 0.00% Add +40.4% 875,846 $448K
Virtu Financial LLC 0.01% New 496,762 $254K
State Street Corp. 0.00% Add +37.1% 468,893 $240K
Northern Trust Corp. 0.00% Add +10.5% 293,300 $150K
XTX Topco Ltd 0.00% New 248,560 $127K
Citadel Advisors 0.00% New 185,056 $95K
Two Sigma Securities, LLC 0.00% Add +404.4% 55,883 $29K
Citigroup Inc. 0.00% New 48,456 $25K
Dagco, Inc. 0.00% No change 25,882 $13K
Kestra Advisory Services, LLC 0.00% No change 25,800 $13K
Ashton Thomas Private Wealth, LLC 0.00% New 24,913 $13K
HighTower Advisors, LLC 0.00% New 16,000 $8K
Cambridge Investment Research Advisors, Inc. 0.00% Add +28.1% 13,450 $7K
J.W. Cole Advisors, Inc. 0.00% New 10,000 $5K
Royal Bank of Canada 0.00% New 1,400 $1K
SBI Securities Co., Ltd. 0.00% Reduce -44.9% 1,843 $944
Bank of America Corp. 0.00% Add +52.2% 1,265 $648
Osaic Holdings, Inc. 0.00% No change 133 $67
Wells Fargo & Company 0.00% No change 53 $27
Sound Income Strategies, LLC 0.00% New 28 $8
Barclays PLC 0.00% No change 2 $1
Danske Bank A/S 0.00% No change 1 $1

"% of holder's portfolio" is CNSY's weight in each manager's 13F, not the share of Plus Therapeutics Inc. the manager owns.