Marshall Wace’s Gulfport Energy Corp GPOR Stock Holding History

Marshall Wace’s Portfolio GPOR Stock Details GPOR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$513K	Sell	3,023 -28,002	-90%	-$5.06M	﹤0.01%	2509
2026 Q1	$6.56M	Buy	31,025 +29,925	+2,720%	+$5.95M	0.01%	1171
2025 Q4	$229K	Buy	+1,100	New	+$219K	﹤0.01%	2550
2025 Q2	–	Sell	-2,642	Closed	-$486K	–	2884
2025 Q1	$486K	Sell	2,642 -27,515	-91%	-$5M	﹤0.01%	2086
2024 Q4	$5.55M	Buy	+30,157	New	+$4.84M	0.01%	1009
2023 Q4	–	Sell	-41,099	Closed	-$4.88M	–	2333
2023 Q3	$4.88M	Sell	41,099 -13,237	-24%	-$1.47M	0.01%	873
2023 Q2	$5.71M	Buy	+54,336	New	+$5.04M	0.01%	960
2022 Q2	–	Sell	-57,525	Closed	-$5.17M	–	3594
2022 Q1	$5.17M	Buy	57,525 +53,995	+1,530%	+$3.91M	0.01%	1341
2021 Q4	$254K	Sell	3,530 -1,840	-34%	-$143K	﹤0.01%	3084
2021 Q3	$441K	Buy	+5,370	New	+$374K	﹤0.01%	2451

Other funds holding GPOR

SPC

Silver Point Capital Greenwich, Connecticut $1.1B AUM 20.71% 1-Year Est. Return

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

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

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

NAMI

Nomura Asset Management International Philadelphia, Pennsylvania $66.6B AUM

Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return

Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return

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

Marshall Wace's GPOR Position: Q2 2026 in Review

Marshall Wace reduced its Gulfport Energy Corp (GPOR) stake by 90% in Q2 2026, selling an estimated $5.06M and leaving 3,023 shares worth $513K. The position accounts for ﹤0.01% of the portfolio, ranked #2509.

Marshall Wace first reported a position in GPOR in Q3 2021 and has held it in 10 quarters since. The position peaked at $6.56M in Q1 2026. 291 funds tracked by Wall St. Rank hold GPOR as of Q2 2026.

Marshall Wace held 3,023 shares of Gulfport Energy Corp worth $513K as of Q2 2026.
Marshall Wace sold 28,002 Gulfport Energy Corp shares in Q2 2026, an estimated $5.06M.
Gulfport Energy Corp made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #2509 holding.
Marshall Wace first reported a position in Gulfport Energy Corp in Q3 2021 and has held it in 10 quarters since.
Marshall Wace's Gulfport Energy Corp position peaked at $6.56M in Q1 2026.
291 funds tracked by Wall St. Rank held Gulfport Energy Corp as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.