William Blair Investment Management’s Gulfport Energy Corp GPOR Stock Holding History

William Blair Investment Management’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	$26.6M	Sell	156,661 -42,184	-21%	-$7.62M	0.08%	200
2026 Q1	$42.1M	Buy	198,845 +6,505	+3%	+$1.29M	0.14%	150
2025 Q4	$40M	Sell	192,340 -19,805	-9%	-$3.95M	0.11%	162
2025 Q3	$38.4M	Sell	212,145 -12,827	-6%	-$2.23M	0.1%	164
2025 Q2	$45.3M	Sell	224,972 -18,743	-8%	-$3.49M	0.12%	146
2025 Q1	$44.9M	Sell	243,715 -11,302	-4%	-$2.05M	0.13%	153
2024 Q4	$47M	Buy	255,017 +5,980	+2%	+$960K	0.11%	161
2024 Q3	$37.7M	Buy	249,037 +42,031	+20%	+$6.17M	0.09%	181
2024 Q2	$31.3M	Sell	207,006 -9	-0%	-$1.41K	0.08%	213
2024 Q1	$33.1M	Buy	+207,015	New	+$28.4M	0.09%	226

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

William Blair Investment Management's GPOR Position: Q2 2026 in Review

William Blair Investment Management reduced its Gulfport Energy Corp (GPOR) stake by 21% in Q2 2026, selling an estimated $7.62M and leaving 156,661 shares worth $26.6M. The position accounts for 0.08% of the portfolio, ranked #200.

William Blair Investment Management first reported a position in GPOR in Q1 2024 and has held it in 10 quarters since. The position peaked at $47M in Q4 2024. 290 funds tracked by Wall St. Rank hold GPOR as of Q2 2026.

William Blair Investment Management held 156,661 shares of Gulfport Energy Corp worth $26.6M as of Q2 2026.
William Blair Investment Management sold 42,184 Gulfport Energy Corp shares in Q2 2026, an estimated $7.62M.
Gulfport Energy Corp made up 0.08% of William Blair Investment Management's portfolio in Q2 2026, its #200 holding.
William Blair Investment Management first reported a position in Gulfport Energy Corp in Q1 2024 and has held it in 10 quarters since.
William Blair Investment Management's Gulfport Energy Corp position peaked at $47M in Q4 2024.
290 funds tracked by Wall St. Rank held Gulfport Energy Corp as of Q2 2026.

Based on William Blair Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.