Solid Power, Inc.
Solid Power, Inc. (SLDP) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SLDP · as of Sep 30, 2025
Ownership Breakdown
175
Institutional Holders
▲ 17 vs Q2
$243.12M
Total Inst. Value
▲ $132.24M vs Q2
184.67M
Shares Outstanding
freeFloat 100.76%
70.06M
13F Shares Held
▲ 21.15M 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
SLDP largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. miscellaneous electrical machinery, equipment & supplies | 11.11M | 6.16% | 6.16% | $38.56B | Nov 12, 2025 | ▲ 908.7K |
VANGUARD GROUP INC miscellaneous electrical machinery, equipment & supplies | 9.44M | 5.24% | 5.24% | $32.76B | Nov 7, 2025 | ▲ 1.28M |
BANK OF AMERICA CORP /DE/ miscellaneous electrical machinery, equipment & supplies | 6.50M | 3.60% | 3.60% | $22.54B | Feb 3, 2026 | ▲ 6.34M |
D. E. SHAW & CO., INC. miscellaneous electrical machinery, equipment & supplies | 5.40M | 2.99% | 2.99% | $18.73B | Nov 14, 2025 | ▲ 4.89M |
RIVERSTONE HOLDINGS LLC miscellaneous electrical machinery, equipment & supplies | 4.71M | 2.61% | 2.61% | $16.36B | Nov 13, 2025 | ▲ 169.7K |
GEODE CAPITAL MANAGEMENT, LLC miscellaneous electrical machinery, equipment & supplies | 3.84M | 2.13% | 2.13% | $13.34B | Nov 12, 2025 | ▲ 290.5K |
GOLDMAN SACHS GROUP INC miscellaneous electrical machinery, equipment & supplies | 3.60M | 2.00% | 2.00% | $12.51B | Nov 14, 2025 | ▲ 2.30M |
STATE STREET CORP miscellaneous electrical machinery, equipment & supplies | 3.24M | 1.80% | 1.80% | $11.24B | Nov 14, 2025 | ▼ 25.7K |
JANE STREET GROUP, LLC miscellaneous electrical machinery, equipment & supplies | 2.49M | 1.38% | 1.38% | $8.64B | Nov 14, 2025 | ▲ 2.17M |
INVESCO LTD. miscellaneous electrical machinery, equipment & supplies | 2.15M | 1.19% | 1.19% | $7.45B | Nov 13, 2025 | ▼ 546.8K |
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
28
Increased
+22.50M shares7
New Positions
first time holders13
Decreased
−1.74M shares0
Sold Out
fully exitedNet shares change (top 50)
+20.76M
+22.50M / −1.74M
Net new holders
+22
7 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
SLDP 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.
11
Buy transactions
5
Sell transactions
2.20
Buy/Sell ratio
$1M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Wright MaryAnn director | May 20, 2026 | Award | 44,133 | — | — | 331.7K | Form 4 ↗ |
STEPHENS JOHN JOSEPH director | May 20, 2026 | Award | 44,133 | — | — | 320.2K | Form 4 ↗ |
Roe Lesa B director | May 20, 2026 | Award | 44,133 | — | — | 283.2K | Form 4 ↗ |
Roe Lesa B director | May 20, 2026 | Sale | 39,207 | $2.66 | $104.3K | 244.0K | Form 4 ↗ |
Miziolek Aleksandra A director | May 20, 2026 | Award | 44,133 | — | — | 341.1K | Form 4 ↗ |
Kreh Susan M director | May 20, 2026 | Award | 44,133 | — | — | 351.6K | Form 4 ↗ |
Goldberg Steven H director | May 20, 2026 | Award | 44,133 | — | — | 162.9K | Form 4 ↗ |
Awada Kaled director | May 20, 2026 | Award | 44,133 | — | — | 351.6K | Form 4 ↗ |
ANDERSON ERIK J director | May 20, 2026 | Award | 44,133 | — | — | 304.5K | Form 4 ↗ |
Buettner-Garrett Joshua Chief Technology Officer | May 12, 2026 | Tax Withhold | 5,519 | $3.15 | $17.4K | 1.40M | 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
Solid Power, Inc. (SLDP) is primarily owned by institutional investors, who hold approximately 37.9% of total shares outstanding. Company insiders own approximately 0.00%, while retail and public investors account for the remaining 62.82%.
The largest institutional shareholder of Solid Power, Inc. is BLACKROCK, INC., holding approximately 11.11 million shares — equal to 6.16% of outstanding shares — as of September 30, 2025.
A total of 175 institutional investors currently hold SLDP stock, with a combined institutional value of approximately $243,124,762 as of the most recent 13F filing period.
Frequently asked questions
SLDP ownershipSolid Power, Inc. (SLDP) is primarily owned by institutional investors, who hold approximately 37.9% of shares. The largest shareholder is BLACKROCK, INC. with a 6.16% stake. Company insiders hold 0.00%. Data sourced from SEC Form 13F as of September 30, 2025.