Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in WHD held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 10.2M | $483.4M | +1.8% | 14.701% | 0.01% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 4.2M | $197.2M | β | 5.998% | 0.01% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 3.1M | $145.7M | β | 4.430% | 0.00% |
| 4 | STATE STREET CORP | 3.0M | $144.1M | +6.9% | 4.383% | 0.00% |
| 5 | WELLINGTON MANAGEMENT GROUP LLP | 2.9M | $135.7M | -27.7% | 4.128% | 0.03% |
| 6 | FMR LLC | 2.4M | $113.8M | -72.7% | 3.462% | 0.01% |
| 7 | FIRST TRUST ADVISORS LP | 2.1M | $99.0M | +13.7% | 3.012% | 0.07% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 2.0M | $93.7M | +0.7% | 2.849% | 0.01% |
| 9 | DIMENSIONAL FUND ADVISORS LP | 1.8M | $86.3M | +3.0% | 2.623% | 0.02% |
| 10 | Capital International Investors | 1.7M | $82.5M | -25.7% | 2.510% | 0.02% |
| 11 | JENNISON ASSOCIATES LLC | 1.7M | $81.2M | +202.3% | 2.469% | 0.06% |
| 12 | Capital World Investors | 1.7M | $78.8M | β | 2.398% | 0.01% |
| 13 | Clearbridge Investments, LLC | 1.6M | $77.2M | +81.7% | 2.348% | 0.07% |
| 14 | WASATCH ADVISORS INC | 1.3M | $63.9M | +79.0% | 1.944% | 0.42% |
| 15 | MORGAN STANLEY | 969K | $45.9M | +40.0% | 1.396% | 0.00% |
| 16 | Webs Creek Capital Management LP | 959K | $45.4M | -24.1% | 1.382% | 7.87% |
| 17 | Boston Trust Walden Corp | 938K | $44.5M | -9.7% | 1.352% | 0.37% |
| 18 | DEPRINCE RACE & ZOLLO INC | 884K | $41.9M | β | 1.274% | 0.79% |
| 19 | LOOMIS SAYLES & CO L P | 844K | $40.0M | -7.7% | 1.215% | 0.05% |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 824K | $39.1M | +2.7% | 1.188% | 0.01% |
| 21 | MILLENNIUM MANAGEMENT LLC | 798K | $37.8M | +90.8% | 1.150% | 0.03% |
| 22 | AMERICAN CENTURY COMPANIES INC | 796K | $37.7M | +778.9% | 1.147% | 0.02% |
| 23 | Encompass Capital Advisors LLC | 766K | $36.3M | β | 1.103% | 1.48% |
| 24 | Bank of New York Mellon Corp | 692K | $32.8M | -5.5% | 0.998% | 0.01% |
| 25 | NORTHERN TRUST CORP | 661K | $31.3M | +2.5% | 0.953% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in WHD β a direct measure of their conviction.
Filings activity in WHD during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 313 | +11% | 78.02% | +0.87 pp | $3.20B | +1.1% |
| Q4 2025 | 283 | +2.9% | 77.15% | +12.13 pp | $3.16B | +19% |
| Q3 2025 | 275 | 13% | 65.02% | 7.35 pp | $2.67B | 10% |
| Q2 2025 | 316 | +1.9% | 72.37% | 2.63 pp | $2.97B | 3.5% |
| Q1 2025 | 310 | +0.3% | 75.00% | 22.02 pp | $3.08B | 23% |
| Q4 2024 | 309 | +8.0% | 97.02% | 2.94 pp | $3.98B | 2.9% |
| Q3 2024 | 286 | +8.7% | 99.96% | 33.66 pp | $4.10B | 25% |
| Q2 2024 | 263 | β | 133.62% | β | $5.48B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying WHD stock.
Based on Q1 2026 13F filings, institutional ownership of Cactus, Inc. stands at 78.0%, held across 313 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of WHD, with approximately 10,204,654 shares worth $0.48B as of Q1 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of WHD, including MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for WHD is 63 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
66 institutions opened new positions in WHD during Q1 2026, while 36 fully exited. 187 added to existing positions and 59 trimmed.
WHD institutional ownership rose by 0.87 percentage points quarter-over-quarter, with a net change of +30 holders.
The top 10 institutions account for 49.4% of all reported 13F value in WHD, and the top 25 account for 72.3%.
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.
Cactus, Inc. (WHD) Institutional Ownership