SandRidge Energy, Inc.
SandRidge Energy, Inc. (SD) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SD · as of Sep 30, 2025
Ownership Breakdown
159
Institutional Holders
▼ 3 vs Q2
$300.66M
Total Inst. Value
▲ $14.35M vs Q2
36.92M
Shares Outstanding
freeFloat 97.98%
26.64M
13F Shares Held
▲ 178,209 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
SD largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
ICAHN CARL C crude petroleum & natural gas | 4.87M | 13.28% | 13.28% | $54.94B | Nov 14, 2025 | ▲ 51.4K |
BLACKROCK, INC. crude petroleum & natural gas | 3.02M | 8.25% | 8.25% | $34.11B | Nov 12, 2025 | ▲ 140.8K |
VANGUARD GROUP INC crude petroleum & natural gas | 2.26M | 6.17% | 6.17% | $25.53B | Nov 7, 2025 | ▲ 10.1K |
RENAISSANCE TECHNOLOGIES LLC crude petroleum & natural gas | 1.59M | 4.35% | 4.35% | $17.98B | Nov 13, 2025 | ▲ 10.9K |
FIRST WILSHIRE SECURITIES MANAGEMENT INC crude petroleum & natural gas | 1.33M | 3.63% | 3.63% | $15.02B | Nov 14, 2025 | ▲ 93.3K |
ROYCE & ASSOCIATES LP crude petroleum & natural gas | 1.28M | 3.48% | 3.48% | $14.38B | Nov 12, 2025 | ▲ 31.8K |
DIMENSIONAL FUND ADVISORS LP crude petroleum & natural gas | 1.24M | 3.39% | 3.39% | $14.04B | Nov 12, 2025 | ▲ 1.6K |
AMERICAN CENTURY COMPANIES INC crude petroleum & natural gas | 1.20M | 3.26% | 3.26% | $13.48B | Nov 12, 2025 | ▲ 88.0K |
STATE STREET CORP crude petroleum & natural gas | 1.14M | 3.11% | 3.11% | $12.84B | Nov 14, 2025 | ▲ 102.9K |
GEODE CAPITAL MANAGEMENT, LLC crude petroleum & natural gas | 822.0K | 2.24% | 2.24% | $9.27B | Nov 12, 2025 | ▼ 1.2K |
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
32
Increased
+1.75M shares1
New Positions
first time holders13
Decreased
−171.6K shares0
Sold Out
fully exitedNet shares change (top 50)
+1.58M
+1.75M / −171.6K
Net new holders
+20
1 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
SD insider trading · insider activity
Source: SEC Form 4
6
Buy transactions
12
Sell transactions
0.50
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Pranin Grayson R President, CEO & Director | May 17, 2026 | Tax Withhold | 1,378 | $15.27 | $21.0K | 172.5K | Form 4 ↗ |
Brown Brandon Louis Sr. SVP, Chief Accounting Officer | May 17, 2026 | Tax Withhold | 429 | $15.27 | $6.6K | 27.6K | Form 4 ↗ |
Parrish Dean EVP & Chief Operating Officer | May 17, 2026 | Tax Withhold | 546 | $15.27 | $8.3K | 38.1K | Form 4 ↗ |
Pranin Grayson R President, CEO & Director | Apr 5, 2026 | Tax Withhold | 1,035 | $15.45 | $16.0K | 170.7K | Form 4 ↗ |
Parrish Dean EVP & Chief Operating Officer | Apr 5, 2026 | Tax Withhold | 453 | $15.45 | $7.0K | 36.7K | Form 4 ↗ |
Brown Brandon Louis Sr. SVP, Chief Accounting Officer | Apr 5, 2026 | Tax Withhold | 164 | $15.45 | $2.5K | 26.3K | Form 4 ↗ |
Pranin Grayson R President, CEO & Director | Mar 12, 2026 | Award | 7,915 | — | — | 171.7K | Form 4 ↗ |
Pranin Grayson R President, CEO & Director | Mar 12, 2026 | Tax Withhold | 2,278 | $16.75 | $38.2K | 169.4K | 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
SandRidge Energy, Inc. (SD) is primarily owned by institutional investors, who hold approximately 72.2% of total shares outstanding. Company insiders own approximately 2.02%, while retail and public investors account for the remaining 25.82%.
The largest institutional shareholder of SandRidge Energy, Inc. is ICAHN CARL C, holding approximately 4.87 million shares — equal to 13.28% of outstanding shares — as of September 30, 2025.
A total of 159 institutional investors currently hold SD stock, with a combined institutional value of approximately $300,656,390 as of the most recent 13F filing period.
Frequently asked questions
SD ownershipSandRidge Energy, Inc. (SD) is primarily owned by institutional investors, who hold approximately 72.2% of shares. The largest shareholder is ICAHN CARL C with a 13.28% stake. Company insiders hold 2.02%. Data sourced from SEC Form 13F as of September 30, 2025.