Cactus, Inc. (WHD) Ownership

NYSE: WHDTop holders, insider trades and short interest.

WHD ownership summary

as of October 18, 2026
Institutions
111.9%
of shares outstanding
Insiders
0.97%
of shares outstanding
Shares outstanding
69.7M
Float
59.2M
shares available to trade
Short interest
5.38%
3.2M shares short
Days to cover
4.03
short interest down 10.3% vs prior month
  • Institutions 111.88%
  • Insiders 0.97%

WHD top institutional holders

20 largest
Cactus, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc15.29%10.7M$658.1M+460,144 (+4.5%)June 30, 2026
2Boston Partners Global Investors, Inc6.58%4.6M$283.2M+4.6M (0.0%)June 30, 2026
3Vanguard Portfolio Management, LLC6.12%4.3M$263.2M+101,066 (+2.4%)June 30, 2026
4State Street Corp4.52%3.2M$194.4M+108,713 (+3.6%)June 30, 2026
5Vanguard Capital Management, LLC4.48%3.1M$192.8M+48,283 (+1.6%)June 30, 2026
6Wellington Management Company LLP3.75%2.6M$161.4M−249,797 (−8.7%)June 30, 2026
7Geode Capital Management, LLC3.10%2.2M$133.5M+185,375 (+9.4%)June 30, 2026
8Dimensional Fund Advisors, Inc.2.70%1.9M$116.0M+58,702 (+3.2%)June 30, 2026
9Capital Research & Mgmt Co - Division 32.61%1.8M$112.4M+78,281 (+4.5%)June 30, 2026
10T. Rowe Price Investment Management,Inc.2.58%1.8M$111.0M−894,090 (−33.2%)June 30, 2026
11Jennison Associates LLC2.55%1.8M$109.7M+64,741 (+3.8%)June 30, 2026
12JPMorgan Chase & Co2.53%1.8M$109.1M+47,948 (+2.8%)June 30, 2026
13ClearBridge Advisors, LLC2.52%1.8M$108.2M+124,249 (+7.6%)June 30, 2026
14Capital World Investors2.45%1.7M$105.5M+44,451 (+2.7%)June 30, 2026
15First Trust Advisors L.P.2.30%1.6M$99.1M−484,469 (−23.2%)June 30, 2026
16Capital Research Global Investors1.98%1.4M$85.2M+720,775 (+109.2%)June 30, 2026
17Van Eck Associates Corporation1.79%1.2M$76.8M−72,633 (−5.5%)June 30, 2026
18Wasatch Advisors LP1.48%1.0M$63.8M−315,457 (−23.4%)June 30, 2026
19UBS Group AG1.30%904K$55.8M+387,350 (+75.0%)June 30, 2026
20DePrince Race & Zollo Inc1.25%869K$53.6M+6,119 (+0.7%)September 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 15 holders added 7.0M shares and 5 cut 2.0M.

WHD top mutual fund and ETF holders

20 largest
Cactus, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1iShares Core S&P Small-Cap ETF5.96%4.2M$256.3M+912 (+0.0%)September 30, 2026
2American Funds SMALLCAP World A5.91%4.1M$254.3M−657,838 (−13.8%)September 30, 2026
3Vanguard MStar Total Stk Mkt Idx Invest3.17%2.2M$136.3M−3,053 (−0.1%)August 31, 2026
4JHancock Disciplined Value Mid Cap I2.62%1.8M$112.8M−29,093 (−1.6%)August 31, 2026
5iShares Russell 2000 ETF2.61%1.8M$112.4M−20,992 (−1.1%)September 30, 2026
6Vanguard Small Cap Index2.25%1.6M$96.8M−28,918 (−1.8%)September 30, 2026
7Robeco BP Global Premium Eqs B EUR1.68%1.2M$72.4M—August 31, 2026
8VanEck Oil Services ETF1.45%1.0M$62.2M—September 30, 2026
9First Trust SMID Cp Rising Div Achv ETF1.41%980K$60.5M—September 30, 2026
10Vanguard Explorer Inv1.29%898K$55.4M+111,900 (+14.2%)June 30, 2026
11Vanguard MStar Small Cap Growth Indx Inv1.25%874K$53.9M−43,388 (−4.7%)September 30, 2026
12Fidelity Small Cap Index1.11%772K$47.6M+6,175 (+0.8%)July 31, 2026
13iShares Russell 2000 Growth ETF0.95%661K$40.8M−836 (−0.1%)September 30, 2026
14State Street SPDR Port S&P 600 Sm CpETF0.91%634K$39.1M—September 30, 2026
15T. Rowe Price Small-Cap Value0.91%632K$39.0M—September 30, 2026
16Franklin Small Cap Growth Adv0.85%594K$36.7M−90,738 (−13.3%)August 31, 2026
17Invesco Discovery A0.79%554K$34.2M+554,328 (0.0%)August 31, 2026
18AB Small Cap Growth A0.78%542K$33.5M+542,171 (0.0%)August 31, 2026
19PGIM Jennison Small Company A0.75%524K$32.3M—September 30, 2026
20ClearBridge Small Cap Growth A0.71%498K$30.7M−107,567 (−17.8%)September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

WHD insider transactions

latest 4
Cactus, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-03-10Joel BenderSell$49.92106,809$5.3M
2026-03-06Joel BenderSell$50.0129,228$1.5M
2026-03-05Joel BenderSell$50.7463,963$3.2M
2025-09-09William D MarshSell$41.3210,172$420,307

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.

WHD shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns WHD

Institutional investors own 111.9% of Cactus's shares and insiders 0.97%. The largest holder is BlackRock Inc with 15.29% of the shares (10.7M), as of June 30, 2026. Among the top 20 institutions, 15 added shares and 5 reduced their stake in the latest filings. Short interest is 5.38% of the float, or 4.03 days of average trading volume. The share count rose 547.7% since 2016.

Related: WHD analyst forecast, WHD key metrics, WHD dividend history. See the WHD stock overview for the latest quote and news.

WHD ownership FAQ

Who owns the most Cactus stock?

The largest shareholders of Cactus are BlackRock Inc (15.29%), Boston Partners Global Investors, Inc (6.58%), Vanguard Portfolio Management, LLC (6.12%), State Street Corp (4.52%), Vanguard Capital Management, LLC (4.48%).

What percentage of Cactus is owned by institutions?

Institutions hold 111.9% of Cactus's shares outstanding; insiders hold 0.97%.

Which funds own Cactus?

The largest fund holders of Cactus are iShares Core S&P Small-Cap ETF (5.96%), American Funds SMALLCAP World A (5.91%), Vanguard MStar Total Stk Mkt Idx Invest (3.17%), JHancock Disciplined Value Mid Cap I (2.62%), iShares Russell 2000 ETF (2.61%).

What is Cactus's short interest?

3.2M shares of Cactus were sold short, 5.38% of the float; at the average daily volume it would take 4.03 days to cover.

Are insiders buying or selling Cactus?

Of the latest 4 reported insider transactions in Cactus (since September 9, 2025), 0 were purchases and 4 were sales.

How many shares of Cactus are outstanding?

Cactus has 69.7M shares outstanding, of which 59.2M are in the public float.

Oil & Gas Equipment & Services: ownership