Select Energy Services, Inc. (WTTR) Ownership
WTTR ownership summary
as of October 17, 2026- Institutions
- 96.2% of shares outstanding
- Insiders
- 5.46% of shares outstanding
- Shares outstanding
- 128.9M
- Float
- 121.8M shares available to trade
- Short interest
- 6.79% 8.2M shares short
- Days to cover
- 4.63 short interest up 61.4% vs prior month
- Institutions 96.24%
- Insiders 5.46%
WTTR top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 9.06% | 11.7M | $217.1M | +2.1M (+21.7%) | June 30, 2026 |
| 2 | Franklin Templeton Inc | 8.69% | 11.2M | $208.2M | +334,695 (+3.1%) | June 30, 2026 |
| 3 | Dimensional Fund Advisors, Inc. | 5.06% | 6.5M | $121.1M | −30,921 (−0.5%) | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 4.04% | 5.2M | $96.7M | +264,323 (+5.3%) | June 30, 2026 |
| 5 | American Century Companies Inc | 3.23% | 4.2M | $77.4M | +158,091 (+3.9%) | June 30, 2026 |
| 6 | Wellington Management Company LLP | 2.99% | 3.9M | $71.6M | −127,786 (−3.2%) | June 30, 2026 |
| 7 | State Street Corp | 2.96% | 3.8M | $70.9M | +480,192 (+14.4%) | June 30, 2026 |
| 8 | DePrince Race & Zollo Inc | 2.67% | 3.4M | $64.0M | −70,076 (−2.0%) | June 30, 2026 |
| 9 | Geode Capital Management, LLC | 2.53% | 3.3M | $60.6M | +754,639 (+30.1%) | June 30, 2026 |
| 10 | Merewether Investment Management, LP | 2.29% | 3.0M | $54.9M | +66,888 (+2.3%) | June 30, 2026 |
| 11 | FMR Inc | 2.11% | 2.7M | $50.6M | +2.6M (+3,608.0%) | June 30, 2026 |
| 12 | Crestview Partners II GP, LP | 2.03% | 2.6M | $48.6M | −1.3M (−32.9%) | June 30, 2026 |
| 13 | Van Eck Associates Corporation | 2.00% | 2.6M | $48.0M | −624,052 (−19.5%) | June 30, 2026 |
| 14 | AllianceBernstein L.P. | 1.91% | 2.5M | $45.8M | −294,723 (−10.7%) | June 30, 2026 |
| 15 | Victory Capital Management Inc. | 1.85% | 2.4M | $44.3M | −342,621 (−12.6%) | June 30, 2026 |
| 16 | Webs Creek Capital Management LP | 1.56% | 2.0M | $37.5M | −562,421 (−21.8%) | June 30, 2026 |
| 17 | Vanguard Portfolio Management, LLC | 1.52% | 2.0M | $36.3M | +472,975 (+31.9%) | June 30, 2026 |
| 18 | Royce & Associates, LP | 1.41% | 1.8M | $33.7M | −268,239 (−12.9%) | June 30, 2026 |
| 19 | Nuveen, LLC | 1.39% | 1.8M | $33.2M | +1.6M (+862.2%) | June 30, 2026 |
| 20 | Charles Schwab Investment Management Inc | 1.24% | 1.6M | $29.6M | −35,802 (−2.2%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 10 holders added 8.9M shares and 10 cut 3.6M.
WTTR top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Franklin Small Cap Value A | 4.72% | 6.1M | $113.1M | +297,777 (+5.1%) | August 31, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 2.90% | 3.7M | $69.5M | −6,587 (−0.2%) | August 31, 2026 |
| 3 | Avantis US Small Cap Value ETF | 2.65% | 3.4M | $63.5M | — | September 30, 2026 |
| 4 | iShares Russell 2000 ETF | 2.33% | 3.0M | $55.8M | −34,624 (−1.1%) | September 30, 2026 |
| 5 | Fidelity Stock Selector Small Cap | 1.59% | 2.0M | $38.1M | +1.5M (+289.0%) | July 31, 2026 |
| 6 | Franklin Small Cap Value VIP 1 | 1.45% | 1.9M | $34.7M | +3,761 (+0.2%) | August 31, 2026 |
| 7 | VanEck Oil Services ETF | 1.45% | 1.9M | $34.6M | — | September 30, 2026 |
| 8 | iShares Global Water ETF USD Dist | 1.38% | 1.8M | $33.0M | — | September 30, 2026 |
| 9 | Victory Sycamore Small Company Opp R | 1.35% | 1.7M | $32.4M | −180,000 (−9.4%) | June 30, 2026 |
| 10 | Fidelity Series Small Cap Opps | 1.03% | 1.3M | $24.6M | +969,090 (+271.2%) | July 31, 2026 |
| 11 | Needham Aggressive Growth Retail | 1.01% | 1.3M | $24.2M | +145,000 (+12.6%) | June 30, 2026 |
| 12 | Fidelity Small Cap Index | 0.97% | 1.2M | $23.1M | +10,182 (+0.8%) | July 31, 2026 |
| 13 | Fidelity Advisor Small Cap I | 0.96% | 1.2M | $23.0M | +1.0M (+451.3%) | July 31, 2026 |
| 14 | Fidelity Select Energy Portfolio | 0.85% | 1.1M | $20.5M | — | August 31, 2026 |
| 15 | DFA US Small Cap Value I | 0.85% | 1.1M | $20.3M | — | August 31, 2026 |
| 16 | iShares Russell 2000 Growth ETF | 0.84% | 1.1M | $20.2M | −1,375 (−0.1%) | September 30, 2026 |
| 17 | Vanguard Energy ETF | 0.67% | 860K | $16.0M | −44,295 (−4.9%) | August 31, 2026 |
| 18 | DFA US Targeted Value I | 0.66% | 856K | $15.9M | — | August 31, 2026 |
| 19 | Invesco S&P Global Water ETF | 0.65% | 839K | $15.6M | — | September 30, 2026 |
| 20 | Dimensional US Targeted Value ETF | 0.64% | 823K | $15.3M | +114 (+0.0%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
WTTR insider transactions
latest 6| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-09 | John Schmitz | Sell | $13.03 | 33,916 | $441,925 |
| 2026-02-06 | John Schmitz | Sell | $13.01 | 16,841 | $219,101 |
| 2025-12-05 | John Schmitz | Sell | $11.21 | 70,375 | $788,904 |
| 2025-12-04 | John Schmitz | Sell | $11.15 | 211,118 | $2.4M |
| 2025-11-12 | John Schmitz | Sell | $11.04 | 9,521 | $105,112 |
| 2025-11-10 | John Schmitz | Sell | $11.04 | 152,173 | $1.7M |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
WTTR shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns WTTR
Institutional investors own 96.2% of Select Energy Services's shares and insiders 5.46%. The largest holder is BlackRock Inc with 9.06% of the shares (11.7M), as of June 30, 2026. Among the top 20 institutions, 10 added shares and 10 reduced their stake in the latest filings. Short interest is 6.79% of the float, or 4.63 days of average trading volume. The share count rose 167.2% since 2015.
Related: WTTR analyst forecast, WTTR key metrics, WTTR dividend history. See the WTTR stock overview for the latest quote and news.
WTTR ownership FAQ
Who owns the most Select Energy Services stock?
The largest shareholders of Select Energy Services are BlackRock Inc (9.06%), Franklin Templeton Inc (8.69%), Dimensional Fund Advisors, Inc. (5.06%), Vanguard Capital Management, LLC (4.04%), American Century Companies Inc (3.23%).
What percentage of Select Energy Services is owned by institutions?
Institutions hold 96.2% of Select Energy Services's shares outstanding; insiders hold 5.46%.
Which funds own Select Energy Services?
The largest fund holders of Select Energy Services are Franklin Small Cap Value A (4.72%), Vanguard MStar Total Stk Mkt Idx Invest (2.90%), Avantis US Small Cap Value ETF (2.65%), iShares Russell 2000 ETF (2.33%), Fidelity Stock Selector Small Cap (1.59%).
What is Select Energy Services's short interest?
8.2M shares of Select Energy Services were sold short, 6.79% of the float; at the average daily volume it would take 4.63 days to cover.
Are insiders buying or selling Select Energy Services?
Of the latest 6 reported insider transactions in Select Energy Services (since November 10, 2025), 0 were purchases and 6 were sales.
How many shares of Select Energy Services are outstanding?
Select Energy Services has 128.9M shares outstanding, of which 121.8M are in the public float.