NuScale Power Corporation
NuScale Power Corporation (SMR) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SMR · as of Sep 30, 2025
Ownership Breakdown
539
Institutional Holders
▲ 56 vs Q2
$4.43B
Total Inst. Value
▲ $955.68M vs Q2
133.91M
Shares Outstanding
freeFloat 97.19%
97.09M
13F Shares Held
▲ 9.13M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
SMR largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC heating equipment, except electric & warm air furnaces | 11.06M | 8.29% | 8.29% | $398.26B | Nov 7, 2025 | ▼ 844.0K |
BLACKROCK, INC. heating equipment, except electric & warm air furnaces | 9.99M | 7.49% | 7.49% | $359.79B | Nov 12, 2025 | ▲ 834.5K |
MIRAE ASSET GLOBAL ETFS HOLDINGS LTD. heating equipment, except electric & warm air furnaces | 7.31M | 5.48% | 5.48% | $263.19B | Nov 14, 2025 | ▲ 1.35M |
SUSQUEHANNA INTERNATIONAL GROUP, LLP heating equipment, except electric & warm air furnaces | 5.32M | 3.99% | 3.99% | $191.53B | Nov 14, 2025 | ▲ 2.47M |
VAN ECK ASSOCIATES CORP heating equipment, except electric & warm air furnaces | 5.29M | 3.96% | 3.96% | $190.36B | Nov 13, 2025 | ▲ 2.13M |
SAMSUNG C&T CORP heating equipment, except electric & warm air furnaces | 5.19M | 3.89% | 3.89% | $186.69B | Nov 14, 2025 | ▲ 2.58M |
CITADEL ADVISORS LLC heating equipment, except electric & warm air furnaces | 4.43M | 3.32% | 3.32% | $159.31B | Nov 14, 2025 | ▲ 3.02M |
CLEAR STREET GROUP INC. heating equipment, except electric & warm air furnaces | 4.32M | 3.24% | 3.24% | $155.62B | Nov 14, 2025 | NEW |
TOROSO INVESTMENTS, LLC heating equipment, except electric & warm air furnaces | 4.06M | 3.05% | 3.05% | $146.34B | Nov 14, 2025 | ▲ 3.52M |
TOROSO INVESTMENTS, LLC heating equipment, except electric & warm air furnaces | 4.04M | 3.03% | 3.03% | $145.51B | Nov 14, 2025 | ▲ 4.04M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
36
Increased
+35.66M shares3
New Positions
first time holders11
Decreased
−10.02M shares0
Sold Out
fully exitedNet shares change (top 50)
+25.64M
+35.66M / −10.02M
Net new holders
+28
3 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
SMR insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
3
Sell transactions
0.00
Buy/Sell ratio
$40M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Harshaw Stuart Alan director | May 29, 2026 | Award | 8,681 | — | — | 17.4K | Form 4 ↗ |
Harshaw Stuart Alan director | May 29, 2026 | Award | 8,681 | — | — | 8.7K | Form 4 ↗ |
Klein Dale E. director | May 29, 2026 | Award | 8,681 | — | — | 17.4K | Form 4 ↗ |
Klein Dale E. director | May 29, 2026 | Award | 8,681 | — | — | 8.7K | Form 4 ↗ |
Fujino Shinji director | May 29, 2026 | Award | 8,681 | — | — | 28.6K | Form 4 ↗ |
Chung Bum-Jin director | May 29, 2026 | Award | 8,681 | — | — | 51.2K | Form 4 ↗ |
BOECKMANN ALAN L director | May 29, 2026 | Award | 8,681 | — | — | 85.3K | Form 4 ↗ |
KRESA KENT director | May 29, 2026 | Award | 8,681 | — | — | 95.0K | Form 4 ↗ |
WALTERS DIANA J director | May 29, 2026 | Award | 8,681 | — | — | 21.0K | Form 4 ↗ |
Warnica Kimberly O. director | May 29, 2026 | Award | 8,681 | — | — | 56.1K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
NuScale Power Corporation (SMR) is primarily owned by institutional investors, who hold approximately 72.5% of total shares outstanding. Company insiders own approximately 2.81%, while retail and public investors account for the remaining 24.69%.
The largest institutional shareholder of NuScale Power Corporation is VANGUARD GROUP INC, holding approximately 11.06 million shares — equal to 8.29% of outstanding shares — as of September 30, 2025.
A total of 539 institutional investors currently hold SMR stock, with a combined institutional value of approximately $4.43 billion as of the most recent 13F filing period.
Frequently asked questions
SMR ownershipNuScale Power Corporation (SMR) is primarily owned by institutional investors, who hold approximately 72.5% of shares. The largest shareholder is VANGUARD GROUP INC with a 8.29% stake. Company insiders hold 2.81%. Data sourced from SEC Form 13F as of September 30, 2025.