Comparable stake leader
BlackRock, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001699136.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
Cactus WH Enterprises, LLC
Comparable rows
50/50
Latest evidence
31 Mar 2026
Ownership snapshot
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Quick read
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
14%
from 13D/G
|
$483,394,445
10,204,654 shares
|
— | 31 Mar 2026 |
| Cactus WH Enterprises, LLC |
13D/G
3/4/5
Joel Bender · 10%+ Owner
|
12%
|
$493,304,156
9,879,915 shares
|
-$21,820,908 | 31 Dec 2025 |
| WELLINGTON MANAGEMENT GROUP LLP |
13D/G
13F
Company
|
5.8%
|
$197,920,573
3,963,961 shares
|
$0 | 31 Dec 2025 |
| FMR LLC |
13D/G
13F
Company
|
3.5%
|
$130,600,025
2,403,387 shares
|
-$110,388,830 | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
Company
|
6.1%
|
$197,219,926
4,163,393 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
4.5%
|
$145,681,603
3,075,398 shares
|
— | 31 Mar 2026 |
| STATE STREET CORP |
13F
Company
|
4.4%
|
$144,114,177
3,042,309 shares
|
— | 31 Mar 2026 |
| T. Rowe Price Investment Management, Inc. |
13F
Company
|
3.9%
|
$127,534,000
2,692,274 shares
|
— | 31 Mar 2026 |
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Net insider flow leans to selling over the last 12 months. Net value: -$21,755,171.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 294,280 | $0 | $14,843,899 | -$14,843,899 |
| 3-6 | 0 | 127,926 | $0 | $6,490,965 | -$6,490,965 |
| 6-9 | 0 | 10,172 | $0 | $420,307 | -$420,307 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Showing 1-18 of 18 reporting-owner rows connected to Cactus, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Scott Bender | Chairman and CEO, Director, 10%+ Owner | $463,087,708 | -$10,039,080 | -2.1% | Mixed | 10 Mar 2026 |
| Joel Bender | President, Director, 10%+ Owner | $459,411,935 | -$10,039,080 | -2.1% | Mixed | 10 Mar 2026 |
| Cactus WH Enterprises, LLC | 10%+ Owner | $454,151,070 | Mixed | 02 Mar 2026 | ||
| Steven Bender | Chief Operating Officer | $10,683,851 | Mixed | 10 Mar 2026 | ||
| Stephen Tadlock | EVP/CEO Spool Tech/Cactus Intl | $9,861,897 | Mixed | 10 Mar 2026 | ||
| William D. Marsh | GC, EVP and Secretary | $2,710,445 | -$420,307 | -13% | Mixed | 10 Mar 2026 |
| David John Isaac | GC and VP of Administration | $1,961,113 | Mixed | 11 Mar 2022 | ||
| Alan Semple | Director | $1,831,747 | -$577,864 | -24% | Mixed | 12 May 2026 |
| John A. Odonnell | Director | $1,714,119 | Mixed | 10 Mar 2026 | ||
| Tombar Tymothi O | Director | $1,687,705 | Mixed | 10 Mar 2026 | ||
| Bruce M. Rothstein | Director | $1,133,749 | Mixed | 10 Mar 2026 | ||
| Jay A. Nutt | EVP and CFO | $1,074,318 | Mixed | 03 Jun 2026 | ||
| Melissa Law | Director | $1,035,281 | Mixed | 10 Mar 2026 | ||
| Michael Y. Mcgovern | Director | $1,021,844 | -$678,840 | -40% | Mixed | 12 May 2026 |
| Gary L. Rosenthal | Director | $1,019,992 | Mixed | 10 Mar 2026 | ||
| Donna L. Anderson | VP & Chief Accounting Officer | $582,687 | Mixed | 11 Mar 2024 | ||
| Tana Leigh Utley | Director | $11,699 | Median | 12 May 2026 | ||
| Alan J. Keifer | Interim CFO | Mixed | 13 Nov 2023 |
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Jay A. Nutt | WHD | Class A Common Stock | Tax liability | -12.4% | -864 | 6,120 | 03 Jun 2026 | Direct | ||
| Jay A. Nutt | WHD | Class A Common Stock | Options Exercise | 72.8% | 2,942 | 6,984 | 03 Jun 2026 | Direct | ||
| Jay A. Nutt | WHD | Restricted Stock Units | Options Exercise | -6.51% | -2,942 | 42,267 | 03 Jun 2026 | Direct | ||
| Alan Semple | WHD | Class A Common Stock | Sale | -25.7% | $577,864 | $56.62 | -10,206 | 29,444 | 12 May 2026 | Direct |
| Michael Y. Mcgovern | WHD | Class A Common Stock | Sale | -42.9% | $678,840 | $56.57 | -12,000 | 15,990 | 12 May 2026 | Direct |
| Tana Leigh Utley | WHD | Restricted Stock Units | Award | 2,586 | 2,586 | 12 May 2026 | Direct | |||
| Steven Bender | WHD | Class A Common Stock | Tax liability | -1.93% | -1,957 | 99,241 | 11 Mar 2026 | Direct | ||
| Steven Bender | WHD | Class A Common Stock | Options Exercise | 5.17% | 4,971 | 101,198 | 11 Mar 2026 | Direct | ||
| Steven Bender | WHD | Restricted Stock Units | Options Exercise | -3.92% | -4,971 | 121,894 | 11 Mar 2026 | Direct | ||
| Joel Bender | WHD | Class A Common Stock | Tax liability | -7.28% | -3,261 | 41,519 | 11 Mar 2026 | Direct | ||
| Joel Bender | WHD | Class A Common Stock | Options Exercise | 22.7% | 8,285 | 44,780 | 11 Mar 2026 | Direct | ||
| Joel Bender | WHD | Restricted Stock Units | Options Exercise | -14.5% | -8,285 | 48,926 | 11 Mar 2026 | Direct | ||
| Scott Bender | WHD | Class A Common Stock | Tax liability | -2.63% | -3,261 | 120,527 | 11 Mar 2026 | Direct | ||
| Scott Bender | WHD | Class A Common Stock | Options Exercise | 7.17% | 8,285 | 123,788 | 11 Mar 2026 | Direct | ||
| Scott Bender | WHD | Restricted Stock Units | Options Exercise | -18.7% | -8,285 | 36,057 | 11 Mar 2026 | Direct | ||
| William D. Marsh | WHD | Class A Common Stock | Gift | -13.1% | -3,910 | 25,843 | 11 Mar 2026 | Direct | ||
| William D. Marsh | WHD | Class A Common Stock | Tax liability | -4.2% | -1,305 | 29,753 | 11 Mar 2026 | Direct | ||
| William D. Marsh | WHD | Class A Common Stock | Options Exercise | 11.9% | 3,314 | 31,058 | 11 Mar 2026 | Direct | ||
| William D. Marsh | WHD | Restricted Stock Units | Options Exercise | -7.21% | -3,314 | 42,638 | 11 Mar 2026 | Direct | ||
| Stephen Tadlock | WHD | Class A Common Stock | Tax liability | -2.33% | -1,957 | 82,068 | 11 Mar 2026 | Direct | ||
| Stephen Tadlock | WHD | Class A Common Stock | Options Exercise | 6.29% | 4,971 | 84,025 | 11 Mar 2026 | Direct | ||
| Stephen Tadlock | WHD | Restricted Stock Units | Options Exercise | -3.65% | -4,971 | 131,314 | 11 Mar 2026 | Direct | ||
| Steven Bender | WHD | Class A Common Stock | Tax liability | -3.49% | -3,389 | 93,785 | 10 Mar 2026 | Direct | ||
| Steven Bender | WHD | Class A Common Stock | Options Exercise | 9.65% | 8,610 | 97,812 | 10 Mar 2026 | Direct | ||
| Steven Bender | WHD | Restricted Stock Units | Options Exercise | -6.36% | -8,610 | 126,865 | 10 Mar 2026 | Direct | ||
| Steven Bender | WHD | Restricted Stock Units | Award | 11.8% | 14,290 | 135,475 | 10 Mar 2026 | Direct | ||
| Alan Semple | WHD | Class A Common Stock | Options Exercise | 6.8% | 2,524 | 39,650 | 10 Mar 2026 | Direct | ||
| Alan Semple | WHD | Restricted Stock Units | Options Exercise | -49.7% | -2,524 | 2,559 | 10 Mar 2026 | Direct | ||
| Alan Semple | WHD | Restricted Stock Units | Award | 101.4% | 2,559 | 5,083 | 10 Mar 2026 | Direct | ||
| Jay A. Nutt | WHD | Class A Common Stock | Tax liability | -17.7% | -869 | 4,042 | 10 Mar 2026 | Direct | ||
| Jay A. Nutt | WHD | Class A Common Stock | Options Exercise | 120.6% | 2,685 | 4,911 | 10 Mar 2026 | Direct | ||
| Jay A. Nutt | WHD | Restricted Stock Units | Options Exercise | -5.61% | -2,685 | 45,209 | 10 Mar 2026 | Direct | ||
| Jay A. Nutt | WHD | Restricted Stock Units | Award | 42.5% | 14,290 | 47,894 | 10 Mar 2026 | Direct | ||
| Joel Bender | WHD | Class A Common Stock | Tax liability | -14.8% | -5,647 | 32,425 | 10 Mar 2026 | Direct | ||
| Joel Bender | WHD | Class A Common Stock | Options Exercise | 57.9% | 14,349 | 39,136 | 10 Mar 2026 | Direct | ||
| Joel Bender | WHD | Restricted Stock Units | Options Exercise | -20% | -14,349 | 57,211 | 10 Mar 2026 | Direct | ||
| Joel Bender | WHD | Restricted Stock Units | Award | 61.3% | 27,218 | 71,650 | 10 Mar 2026 | Direct | ||
| Michael Y. Mcgovern | WHD | Class A Common Stock | Options Exercise | 9.91% | 2,524 | 27,990 | 10 Mar 2026 | Direct | ||
| Michael Y. Mcgovern | WHD | Restricted Stock Units | Options Exercise | -49.7% | -2,524 | 2,559 | 10 Mar 2026 | Direct | ||
| Michael Y. Mcgovern | WHD | Restricted Stock Units | Award | 101.4% | 2,559 | 5,083 | 10 Mar 2026 | Direct | ||
| John A. Odonnell | WHD | Class A Common Stock | Options Exercise | 9.91% | 2,524 | 27,990 | 10 Mar 2026 | Direct | ||
| John A. Odonnell | WHD | Restricted Stock Units | Options Exercise | -49.7% | -2,524 | 2,559 | 10 Mar 2026 | Direct | ||
| John A. Odonnell | WHD | Restricted Stock Units | Award | 101.4% | 2,559 | 5,083 | 10 Mar 2026 | Direct | ||
| Gary L. Rosenthal | WHD | Class A Common Stock | Options Exercise | 19% | 2,524 | 15,823 | 10 Mar 2026 | Direct | ||
| Gary L. Rosenthal | WHD | Restricted Stock Units | Options Exercise | -49.7% | -2,524 | 2,559 | 10 Mar 2026 | Direct | ||
| Gary L. Rosenthal | WHD | Restricted Stock Units | Award | 101.4% | 2,559 | 5,083 | 10 Mar 2026 | Direct | ||
| Scott Bender | WHD | Class A Common Stock | Tax liability | -4.82% | -5,647 | 111,433 | 10 Mar 2026 | Direct | ||
| Scott Bender | WHD | Class A Common Stock | Options Exercise | 13.8% | 14,349 | 118,144 | 10 Mar 2026 | Direct | ||
| Scott Bender | WHD | Restricted Stock Units | Options Exercise | -23.8% | -14,349 | 45,917 | 10 Mar 2026 | Direct | ||
| Scott Bender | WHD | Restricted Stock Units | Award | 76.7% | 34,023 | 78,365 | 10 Mar 2026 | Direct |