| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 5.2M | $104.0M | +5.3% | 3.769% | 0.00% |
| 5 | AMERICAN CENTURY COMPANIES INC | 4.2M | $83.2M | +4.0% | 3.014% | 0.04% |
| 6 | WELLINGTON MANAGEMENT GROUP LLP | 3.9M | $77.0M | -3.2% | 2.790% | 0.01% |
| 7 | STATE STREET CORP | 3.8M | $76.2M | +14.4% | 2.761% | 0.00% |
| 8 | DEPRINCE RACE & ZOLLO INC | 3.4M | $68.9M | -2.0% | 2.495% | 1.16% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 3.3M | $65.2M | +30.1% | 2.361% | 0.00% |
| 10 | Merewether Investment Management, LP | 3.0M | $59.1M | +2.3% | 2.139% | 1.11% |
| 11 | FMR LLC | 2.7M | $54.4M | +3608.0% | 1.970% | 0.00% |
| 12 | Crestview Partners II GP, L.P. | 2.6M | $52.3M | -32.9% | 1.893% | 22.26% |
| 13 | VAN ECK ASSOCIATES CORP | 2.6M | $51.6M | -19.4% | 1.870% | 0.03% |
| 14 | VICTORY CAPITAL MANAGEMENT INC | 2.4M | $47.6M | -12.6% | 1.725% | 0.03% |
| 15 | Webs Creek Capital Management LP | 2.0M | $40.3M | -21.8% | 1.459% | 7.63% |
| 16 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.0M | $39.1M | +31.9% | 1.415% | 0.00% |
| 17 | ALLIANCEBERNSTEIN L.P. | 2.5M | $37.8M | -10.7% | 1.786% | 0.01% |
| 18 | ROYCE & ASSOCIATES LP | 1.8M | $36.2M | -12.9% | 1.312% | 0.29% |
| 19 | Nuveen, LLC | 1.8M | $35.7M | +862.2% | 1.295% | 0.01% |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.6M | $31.8M | -2.2% | 1.153% | 0.00% |
| 21 | Russell Investments Group, Ltd. | 1.5M | $29.1M | -18.4% | 1.053% | 0.03% |
| 22 | PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 1.4M | $28.7M | -6.1% | 1.039% | 1.42% |
| 23 | Invesco Ltd. | 1.3M | $26.4M | +33.6% | 0.955% | 0.00% |
| 24 | NEEDHAM INVESTMENT MANAGEMENT LLC | 1.3M | $26.0M | +12.6% | 0.941% | 0.78% |
| 25 | SYSTEMATIC FINANCIAL MANAGEMENT LP | 1.3M | $25.5M | -1.5% | 0.924% | 0.51% |
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 WTTR — a direct measure of their conviction.
| 78.63% |
| 11.60 pp |
| $912M |
| 22% |
| Q4 2024 | 222 | +2.8% | 90.23% | +3.91 pp | $1.17B | +24% |
| Q3 2024 | 216 | — | 86.32% | — | $948M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
34 institutions opened new positions in WTTR during Q2 2026, while 28 fully exited. 184 added to existing positions and 39 trimmed.
WTTR institutional ownership fell by 16.11 percentage points quarter-over-quarter, with a net change of +10 holders.
The top 10 institutions account for 46.7% of all reported 13F value in WTTR, and the top 25 account for 70.1%.
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.
Select Water Solutions, Inc. (WTTR) Institutional Ownership