Polar Asset Management Partners’s Seagate STX Stock Holding History

Polar Asset Management Partners’s Portfolio STX Stock Details STX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-144,704	Closed	-$12.3M	–	706
2025 Q1	$12.3M	Sell	144,704 -38,896	-21%	-$3.68M	0.28%	84
2024 Q4	$15.8M	Buy	183,600 +43,400	+31%	+$4.37M	0.19%	103
2024 Q3	$15.4M	Buy	+140,200	New	+$14.3M	0.33%	73
2021 Q4	–	Sell	-11,020	Closed	-$909K	–	1499
2021 Q3	$909K	Buy	11,020 +1,640	+17%	+$143K	0.01%	716
2021 Q2	$825K	Buy	+9,380	New	+$845K	0.01%	676
2021 Q1	–	Sell	-12,797	Closed	-$795K	–	1131
2020 Q4	$795K	Buy	+12,797	New	+$719K	0.01%	409

Other funds holding STX

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

Sanders Capital West Palm Beach, Florida $99.8B AUM 47.9% 1-Year Est. Return

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

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

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

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Polar Asset Management Partners's STX Position: Q2 2025 in Review

Polar Asset Management Partners sold out of Seagate (STX) in Q2 2025, closing a stake of 144,704 shares — an estimated $12.3M sold.

Polar Asset Management Partners first reported a position in STX in Q4 2020 and held it in 6 quarters. The position peaked at $15.8M in Q4 2024. 953 funds tracked by Wall St. Rank hold STX as of Q2 2025.

Polar Asset Management Partners reported no remaining Seagate position as of Q2 2025 after selling out during the quarter.
Polar Asset Management Partners sold 144,704 Seagate shares in Q2 2025, an estimated $12.3M.
Polar Asset Management Partners first reported a position in Seagate in Q4 2020 and held it in 6 quarters.
Polar Asset Management Partners's Seagate position peaked at $15.8M in Q4 2024.
953 funds tracked by Wall St. Rank held Seagate as of Q2 2025.

Based on Polar Asset Management Partners's 13F filing for Q2 2025, filed 14 Aug 2025.