Cactus, Inc.
US ˙ NYSE ˙ US1272031071

SecurityWHD / Cactus, Inc.
InstitutionJanus Henderson Group Plc
Latest Disclosed Ownership338,033 shares
Latest Disclosed Value $ 16,020,108
Janus Henderson Group Plc reports 0.60% increase in ownership of WHD / Cactus, Inc.

On May 18, 2026 - Janus Henderson Group Plc filed a 13F-HR/A form disclosing ownership of 338,033 shares of Cactus, Inc. (US:WHD) valued at $16,012,623 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 336,004 shares of Cactus, Inc.. This represents a change in shares of 0.60% during the quarter. The current value of the position is $19,903,383 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-18 2026-03-31 13F/A-1 CACTUS CL A 127203107 338,033 2,029 0.60 16,020 4.37 0.0027
2026-05-15 2026-03-31 13F CACTUS CL A 127203107 338,033 2,029 16,020 0.0030
2026-02-17 2025-12-31 13F CACTUS CL A 127203107 336,004 293,774 695.65 15,349 820.76 0.0069
2025-11-14 2025-09-30 13F CACTUS CL A 127203107 42,230 0 0.00 1,667 -9.65 0.0008
2025-08-14 2025-06-30 13F CACTUS CL A 127203107 42,230 0 0.00 1,845 -4.30 0.0009
2025-05-15 2025-03-31 13F CACTUS CL A 127203107 42,230 0 0.00 1,928 -21.82 0.0011
2025-02-14 2024-12-31 13F CACTUS CL A 127203107 42,230 14,435 51.93 2,466 48.73 0.0013
2024-11-14 2024-09-30 13F CACTUS CL A 127203107 27,795 0 0.00 1,658 13.17 0.0008
2024-08-14 2024-06-30 13F CACTUS CL A 127203107 27,795 -332 -1.18 1,465 4.05 0.0008
2024-05-15 2024-03-31 13F CACTUS CL A 127203107 28,127 1 0.00 1,408 10.26 0.0008
2024-02-14 2023-12-31 13F CACTUS CL A 127203107 28,126 53 0.19 1,277 -9.30 0.0008
2023-11-14 2023-09-30 13F CACTUS CL A 127203107 28,073 -98 -0.35 1,409 18.12 0.0009
2023-08-14 2023-06-30 13F CACTUS CL A 127203107 28,171 -32 -0.11 1,192 2.67 0.0007
2023-05-15 2023-03-31 13F CACTUS CL A 127203107 28,203 17,391 160.85 1,162 113.81 0.0008
2023-02-14 2022-12-31 13F CACTUS CL A 127203107 10,812 0 0.00 544 30.53 0.0004
2023-01-13 2022-09-30 13F/A-1 CACTUS CL A 127203107 10,812 26 0.24 416 -4.15 0.0003
2022-11-14 2022-09-30 13F CACTUS CL A 127203107 10,812 26 416 0.0003
2022-08-15 2022-06-30 13F CACTUS CL A 127203107 10,786 -13 -0.12 434 -29.20 0.0003
2022-05-16 2022-03-31 13F CACTUS CL A 127203107 10,799 7 0.06 613 48.79 0.0003
2022-02-14 2021-12-31 13F CACTUS CL A 127203107 10,792 5,440 101.64 412 103.96 0.0002
2021-11-16 2021-09-30 13F CACTUS CL A 127203107 5,352 5,352 202 0.0001
2020-05-14 2020-03-31 13F CACTUS CL A 127203107 0 -7,976 -100.00 0 -100.00
2020-02-18 2019-12-31 13F CACTUS CL A 127203107 7,976 -2,488 -23.78 274 -9.57 0.0001
2019-11-14 2019-09-30 13F CACTUS CL A 127203107 10,464 1,804 20.83 303 5.57 0.0002
2019-07-31 2019-06-30 13F CACTUS CL A 127203107 8,660 -70,762 -89.10 287 -89.85 0.0002
2019-04-30 2019-03-31 13F CACTUS CL A 127203107 79,422 67,304 555.41 2,827 751.51 0.0016
2019-02-06 2018-12-31 13F CACTUS CL A 127203107 12,118 12,118 332 0.0002
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.