Magnetar Financial’s Hayward Holdings HAYW Stock Holding History

Magnetar Financial’s Portfolio HAYW Stock Details HAYW Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-194,623	Closed	-$3.01M	–	1259
2025 Q4	$3.01M	Buy	194,623 +158,260	+435%	+$2.5M	0.03%	287
2025 Q3	$550K	Buy	+36,363	New	+$557K	﹤0.01%	571
2024 Q1	–	Sell	-124,681	Closed	-$1.7M	–	430
2023 Q4	$1.7M	Buy	+124,681	New	+$1.53M	0.04%	215

Other funds holding HAYW

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

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

FMI

Fiduciary Management Inc Milwaukee, Wisconsin $7.03B AUM 11.68% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

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

MCMU

MIC Capital Management (UK) London, United Kingdom $394M AUM 25.64% 1-Year Est. Return

Greenhouse Funds Baltimore, Maryland $1.96B AUM 36.47% 1-Year Est. Return

Magnetar Financial's HAYW Position: Q1 2026 in Review

Magnetar Financial sold out of Hayward Holdings (HAYW) in Q1 2026, closing a stake of 194,623 shares — an estimated $3.01M sold.

Magnetar Financial first reported a position in HAYW in Q4 2023 and held it in 3 quarters. The position peaked at $3.01M in Q4 2025. 301 funds tracked by Wall St. Rank hold HAYW as of Q1 2026.

Magnetar Financial reported no remaining Hayward Holdings position as of Q1 2026 after selling out during the quarter.
Magnetar Financial sold 194,623 Hayward Holdings shares in Q1 2026, an estimated $3.01M.
Magnetar Financial first reported a position in Hayward Holdings in Q4 2023 and held it in 3 quarters.
Magnetar Financial's Hayward Holdings position peaked at $3.01M in Q4 2025.
301 funds tracked by Wall St. Rank held Hayward Holdings as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.