Plus Therapeutics Ownership | Who Owns Plus Therapeutics?
Plus Therapeutics Ownership Summary
Plus Therapeutics is owned by 10.78% institutional investors, 1.40% insiders, and 87.82% retail investors. Vanguard group is the largest institutional shareholder, holding 2.99% of PSTV shares. Vanguard Institutional Extnd Mkt Idx Tr is the top mutual fund, with 0.15% of its assets in Plus Therapeutics shares.
PSTV Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Plus Therapeutics | 10.78% | 1.40% | 87.82% |
| Sector | Healthcare Stocks | 42.54% | 10.83% | 46.63% |
| Industry | Biotech Stocks | 45.22% | 10.75% | 44.04% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 1.45M | 2.99% | $989.63K |
| Altium capital management lp | 918.91K | 1.90% | $628.26K |
| Geode capital management | 813.25K | 1.68% | $556.02K |
| Ubs group | 623.87K | 1.29% | $426.73K |
| Blackrock funding, inc. /de | 469.39K | 0.97% | $320.92K |
| State street | 341.89K | 0.71% | $233.75K |
| Northern trust | 265.49K | 0.55% | $181.51K |
| Scientech research | 146.65K | 0.30% | $100.27K |
| Mercer global advisors inc /adv | 28.47K | 0.06% | $19.47K |
| Dagco | 25.88K | 0.05% | $17.70K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Altium capital management lp | 918.91K | 100.00% | $628.26K |
| Scientech research | 146.65K | 0.03% | $100.27K |
| Dagco | 25.88K | 0.00% | $17.70K |
| Two sigma securities | 11.08K | 0.00% | $7.57K |
| Tower research capital llc (trc) | 3.52K | 0.00% | $2.41K |
| Sbi securities | 3.35K | 0.00% | $2.29K |
| Ubs group | 623.87K | 0.00% | $426.73K |
| Kestra advisory services | 25.80K | 0.00% | $17.64K |
| Advisor group | 133.00 | - | $59.00 |
| Barclays | 2.00 | - | $1.00 |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Vanguard group | 1.45M | - | 1.41M |
| Altium capital management lp | 918.91K | 100.00% | 918.91K |
| Geode capital management | 813.25K | - | 762.07K |
| Ubs group | 623.87K | 0.00% | 536.24K |
| Blackrock funding, inc. /de | 469.39K | - | 462.43K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Jane street group | - | - | -117.45K |
| Hrt financial lp | - | - | -102.06K |
| Virtu financial | - | - | -40.03K |
| Goldman sachs group | - | - | -26.75K |
| Ground swell capital | - | - | -11.45K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Altium capital management lp | 918.91K | 100.00% | 918.91K | $628.26K |
| State street | 341.89K | - | 341.89K | $233.75K |
| Northern trust | 265.49K | - | 265.49K | $181.51K |
| Scientech research | 146.65K | 0.03% | 146.65K | $100.27K |
| Mercer global advisors inc /adv | 28.47K | - | 28.47K | $19.47K |
Sold Out
| Holder | Change |
|---|---|
| Jones financial companies lllp | -26.00 |
| Citigroup | -146.00 |
| Tradewinds capital management | -200.00 |
| Atlantic union bankshares | -500.00 |
| Ground swell capital | -11.45K |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 23 | 35.29% | 5,214,831 | 1279.19% | 10 | 159.96% | 20 | 81.82% | 2 | -33.33% |
| Jun 30, 2025 | 17 | 6.25% | 378,108 | -2.84% | 2 | 5.96% | 11 | 10.00% | 3 | 50.00% |
| Mar 31, 2025 | 16 | 60.00% | 389,160 | -42.62% | 6 | 4.99% | 10 | 150.00% | 2 | - |
| Dec 31, 2024 | 10 | - | 678,173 | 0.98% | 11 | 15.74% | 4 | - | - | -100.00% |
| Sep 30, 2024 | 10 | -16.67% | 671,584 | -1.47% | 8 | 7.78% | 4 | -42.86% | 2 | - |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Institutional Extnd Mkt Idx Tr | 93.55K | 0.15% | 61.01K |
| Fidelity Extended Market Index | 83.69K | 0.08% | 48.98K |
| Fidelity Nasdaq Composite Index | 8.90K | 0.05% | - |
| Spartan Extended Market Index Pool E | 741.00 | 0.01% | 218.00 |
| SSgA U.S. Extended Market Index Class I | 663.00 | 0.01% | - |
| NT Ext Eq Mkt Indx Fd DC Lend T4 | 556.00 | 0.01% | 556.00 |
| NT Ext Eq Mkt Indx Fd DC Lend T3 | 556.00 | 0.01% | 556.00 |
| Spartan Total Market Index Pool G | 8.78K | 0.01% | 5.91K |
| Fidelity Series Total Market Index | 8.28K | 0.01% | - |
| Fidelity Total Market Index | 5.32K | 0.01% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Nov 04, 2025 | Sims Andrew John Hugh MacIntyre | Chief Financial Officer | Buy | $10.20K |
| Aug 22, 2025 | Lenk Robert P | - | Buy | $53.78K |
| Sep 13, 2024 | Hawkins Richard J | - | Buy | $6.00K |
| Sep 12, 2024 | Hawkins Richard J | - | Buy | $8.51K |
| Sep 11, 2024 | Petersen Greg | - | Buy | $16.88K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | 1 | - |
| 2025 Q3 | 1 | - |
| 2025 Q2 | - | - |
| 2025 Q1 | - | - |
| 2024 Q3 | 6 | - |
PSTV Ownership FAQ
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