Standard Nuclear
STDN · NYSE
$12.22−$0.09 (−0.73%)TodayMarket closed ·
Prev close $12.31
Who owns STDN
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 37.9% of STDN’s shares.
- Decisive Point Group17.0%
- Larger Cross Partners I LLC6.6%
- Washington Harbour Partners L.P.5.5%
- Terrani (Kurt Amir)3.7%
- Next 6 largest institutions5.1%
- All other shareholders62.1%
| Holder | Shares | % of shares |
|---|---|---|
| Decisive Point Group | 26.59M | 16.98% |
| Larger Cross Partners I LLC | 10.38M | 6.63% |
| Washington Harbour Partners L.P. | 8.56M | 5.47% |
| Terrani (Kurt Amir) | 5.79M | 3.70% |
| Marrocco (Keeley Rose) | 3.00M | 1.92% |
| Hendrix (Thomas Edward) | 2.73M | 1.75% |
| Harrill (Kevin J.) | 1.59M | 1.01% |
| Ghasemian (Shahram) | 600.00K | 0.38% |
| Vanguard Capital Management, LLC | 35.05K | 0.02% |
| Cohen (Seth Michael) | 26.51K | 0.02% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Nomura Global Rare Earth and Strategic Resources ETF | 108.41K | 0.07% |
| Vanguard Total Stock Market Index Fund | 86.45K | 0.06% |
| Vanguard Extended Market Index Fund | 32.30K | 0.02% |
| Vanguard Balanced Index Fund | 1.46K | 0.00% |
| Vanguard Institutional Total Stock Market Index Fund | 1.30K | 0.00% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $19.13M (1 trade) of STDN on the open market, with no sales.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Cohen Seth Michael | Award | 13.26K | — |
| Cohen Seth Michael | Award | 13.26K | — |
| Terrani Kurt Amir | Gift | 175.00K | — |
| Terrani Kurt Amir | Gift | 175.00K | — |
| Terrani Kurt Amir | Gift | 245.00K | — |
| Terrani Kurt Amir | Gift | 245.00K | — |
| Terrani Kurt Amir | Gift | 60.00K | — |
| Terrani Kurt Amir | Gift | 60.00K | — |
| Terrani Kurt Amir | Gift | 175.00K | — |
| Terrani Kurt Amir | Gift | 175.00K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 3.12M
- Days to cover
- 5.75
- % of shares outstanding
- 1.99%
- Average daily volume
- 542.99K
- Change since last report
- +20.9%
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