Thompson Siegel & Walmsley’s Plains GP Holdings PAGP Stock Holding History

Thompson Siegel & Walmsley’s Portfolio PAGP Stock Details PAGP Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$13.3M	Buy	549,034 +15,351	+3%	+$368K	0.24%	114
2026 Q1	$13M	Sell	533,683 -293,100	-35%	-$6.4M	0.23%	103
2025 Q4	$15.8M	Buy	826,783 +2,916	+0.4%	+$52.6K	0.27%	100
2025 Q3	$15M	Buy	823,867 +161,376	+24%	+$3.08M	0.24%	102
2025 Q2	$12.9M	Buy	662,491 +45,259	+7%	+$843K	0.21%	110
2025 Q1	$13.2M	Sell	617,232 -218,022	-26%	-$4.59M	0.22%	105
2024 Q4	$15.4M	Buy	835,254 +86,714	+12%	+$1.61M	0.24%	103
2024 Q3	$13.8M	Buy	+748,540	New	+$14.2M	0.21%	109

Other funds holding PAGP

TCA

Tortoise Capital Advisors Overland Park, Kansas $9.84B AUM 26.47% 1-Year Est. Return

EIP

Energy Income Partners Westport, Connecticut $6.36B AUM 17.8% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

CCM

Chickasaw Capital Management Memphis, Tennessee $2.78B AUM 20.87% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

AIM

Artemis Investment Management Edinburgh, United Kingdom $11.2B AUM 80.72% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return

Thompson Siegel & Walmsley's PAGP Position: Q2 2026 in Review

Thompson Siegel & Walmsley increased its Plains GP Holdings (PAGP) stake by 2.9% in Q2 2026, buying an estimated $368K and bringing the position to 549,034 shares worth $13.3M. The position accounts for 0.24% of the portfolio, ranked #114.

Thompson Siegel & Walmsley first reported a position in PAGP in Q3 2024 and has held it in 8 quarters since. The position peaked at $15.8M in Q4 2025. 341 funds tracked by Wall St. Rank hold PAGP as of Q2 2026.

Thompson Siegel & Walmsley held 549,034 shares of Plains GP Holdings worth $13.3M as of Q2 2026.
Thompson Siegel & Walmsley bought 15,351 Plains GP Holdings shares in Q2 2026, an estimated $368K.
Plains GP Holdings made up 0.24% of Thompson Siegel & Walmsley's portfolio in Q2 2026, its #114 holding.
Thompson Siegel & Walmsley first reported a position in Plains GP Holdings in Q3 2024 and has held it in 8 quarters since.
Thompson Siegel & Walmsley's Plains GP Holdings position peaked at $15.8M in Q4 2025.
341 funds tracked by Wall St. Rank held Plains GP Holdings as of Q2 2026.

Based on Thompson Siegel & Walmsley's 13F filing for Q2 2026, filed 11 Aug 2026.