Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in SD held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | ICAHN CARL C | 4.9M | $80.7M | +0.7% | 13.436% | 0.94% |
| 2 | BlackRock, Inc. | 3.0M | $48.3M | -6.4% | 8.040% | 0.00% |
| 3 | RENAISSANCE TECHNOLOGIES LLC | 1.5M | $24.5M | -0.7% | 4.083% | 0.04% |
| 4 | FIRST WILSHIRE SECURITIES MANAGEMENT INC | 1.4M | $23.0M | +0.5% | 3.823% | 5.17% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 1.4M | $22.3M | — | 3.714% | 0.00% |
| 6 | STATE STREET CORP | 1.3M | $21.3M | +25.6% | 3.543% | 0.00% |
| 7 | AMERICAN CENTURY COMPANIES INC | 1.3M | $20.9M | +5.4% | 3.482% | 0.01% |
| 8 | ROYCE & ASSOCIATES LP | 1.3M | $20.6M | +3.7% | 3.423% | 0.20% |
| 9 | DIMENSIONAL FUND ADVISORS LP | 1.3M | $20.4M | -0.2% | 3.402% | 0.00% |
| 10 | VANGUARD PORTFOLIO MANAGEMENT LLC | 864K | $14.1M | — | 2.348% | 0.00% |
| 11 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 853K | $13.9M | -4.6% | 2.317% | 0.01% |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 768K | $12.5M | -5.8% | 2.085% | 0.00% |
| 13 | GOLDMAN SACHS GROUP INC | 570K | $9.3M | +172.4% | 1.547% | 0.00% |
| 14 | TWO SIGMA INVESTMENTS, LP | 495K | $8.1M | +101.3% | 1.343% | 0.01% |
| 15 | AQR CAPITAL MANAGEMENT LLC | 456K | $7.4M | -4.3% | 1.239% | 0.00% |
| 16 | FIRST TRUST ADVISORS LP | 419K | $6.8M | +27.5% | 1.139% | 0.00% |
| 17 | DENALI ADVISORS LLC | 407K | $6.6M | +0.4% | 1.106% | 0.74% |
| 18 | Bank of New York Mellon Corp | 368K | $6.0M | -3.6% | 1.000% | 0.00% |
| 19 | Creative Planning | 362K | $5.9M | -1.0% | 0.984% | 0.00% |
| 20 | PRUDENTIAL FINANCIAL INC | 343K | $5.6M | +54.7% | 0.932% | 0.01% |
| 21 | THIRD AVENUE MANAGEMENT LLC | 331K | $5.4M | 0.0% | 0.898% | 0.88% |
| 22 | NORTHERN TRUST CORP | 314K | $5.1M | -4.3% | 0.852% | 0.00% |
| 23 | Azarias Capital Management, L.P. | 312K | $5.1M | -23.9% | 0.848% | 2.28% |
| 24 | RAYMOND JAMES FINANCIAL INC | 305K | $5.0M | -13.3% | 0.828% | 0.00% |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 262K | $4.3M | -4.8% | 0.713% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in SD — a direct measure of their conviction.
Filings activity in SD during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 166 | +5.1% | 84.77% | +12.78 pp | $470M | +18% |
| Q4 2025 | 158 | +8.2% | 71.99% | +17.79 pp | $399M | +33% |
| Q3 2025 | 146 | 3.3% | 54.20% | +3.17 pp | $300M | +6.2% |
| Q2 2025 | 151 | 6.2% | 51.03% | 0.57 pp | $283M | 1.1% |
| Q1 2025 | 161 | +0.6% | 51.60% | 148.39 pp | $286M | 89% |
| Q4 2024 | 160 | 0.6% | 199.99% | +146.38 pp | $2.58B | +768% |
| Q3 2024 | 161 | +10% | 53.61% | 146.38 pp | $297M | 89% |
| Q2 2024 | 146 | — | 199.99% | — | $2.61B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying SD stock.
Based on Q1 2026 13F filings, institutional ownership of SandRidge Energy, Inc. stands at 84.8%, held across 166 reporting institutions.
ICAHN CARL C is the largest reported institutional holder of SD, with approximately 4,947,701 shares worth $0.08B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of SD, including RENAISSANCE TECHNOLOGIES LLC, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for SD is 67 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
36 institutions opened new positions in SD during Q1 2026, while 28 fully exited. 105 added to existing positions and 24 trimmed.
SD institutional ownership rose by 12.78 percentage points quarter-over-quarter, with a net change of +8 holders.
The top 10 institutions account for 63.0% of all reported 13F value in SD, and the top 25 account for 85.8%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
SandRidge Energy, Inc. (SD) Institutional Ownership