Magnetar Financial’s Cactus WHD Stock Holding History

Magnetar Financial’s Portfolio WHD Stock Details WHD Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$415K	Sell	8,107 -7,852	-49%	-$438K	﹤0.01%	668
2026 Q1	$756K	Buy	15,959 +8,680	+119%	+$455K	0.01%	533
2025 Q4	$333K	Buy	+7,279	New	+$304K	﹤0.01%	654
2025 Q3	–	Sell	-26,506	Closed	-$1.16M	–	1222
2025 Q2	$1.16M	Buy	26,506 +13,962	+111%	+$583K	0.01%	410
2025 Q1	$575K	Buy	12,544 +7,655	+157%	+$424K	0.01%	433
2024 Q4	$285K	Buy	+4,889	New	+$307K	0.01%	483
2019 Q2	–	Sell	-397,627	Closed	-$14.2M	–	555
2019 Q1	$14.2M	Buy	+397,627	New	+$13.5M	0.36%	40

Other funds holding WHD

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Magnetar Financial's WHD Position: Q2 2026 in Review

Magnetar Financial reduced its Cactus (WHD) stake by 49% in Q2 2026, selling an estimated $438K and leaving 8,107 shares worth $415K. The position accounts for ﹤0.01% of the portfolio, ranked #668.

Magnetar Financial first reported a position in WHD in Q1 2019 and has held it in 7 quarters since. The position peaked at $14.2M in Q1 2019. 343 funds tracked by Wall St. Rank hold WHD as of Q2 2026.

Magnetar Financial held 8,107 shares of Cactus worth $415K as of Q2 2026.
Magnetar Financial sold 7,852 Cactus shares in Q2 2026, an estimated $438K.
Cactus made up ﹤0.01% of Magnetar Financial's portfolio in Q2 2026, its #668 holding.
Magnetar Financial first reported a position in Cactus in Q1 2019 and has held it in 7 quarters since.
Magnetar Financial's Cactus position peaked at $14.2M in Q1 2019.
343 funds tracked by Wall St. Rank held Cactus as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.