Marshall Wace’s Thermon Group Holdings THR Stock Holding History

Marshall Wace’s Portfolio THR Stock Details THR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$993K	Buy	+19,700	New	+$918K	﹤0.01%	2135
2022 Q3	–	Sell	-28,198	Closed	-$396K	–	3787
2022 Q2	$396K	Buy	+28,198	New	+$435K	﹤0.01%	2912
2022 Q1	–	Sell	-6,482	Closed	-$109K	–	4012
2021 Q4	$109K	Buy	+6,482	New	+$113K	﹤0.01%	3360
2021 Q2	–	Sell	-18,898	Closed	-$368K	–	3088
2021 Q1	$368K	Sell	18,898 -953	-5%	-$17.4K	﹤0.01%	2053
2020 Q4	$310K	Sell	19,851 -41,140	-67%	-$549K	﹤0.01%	1641
2020 Q3	$685K	Buy	60,991 +4,233	+7%	+$56K	﹤0.01%	1149
2020 Q2	$827K	Buy	56,758 +3,053	+6%	+$45.2K	0.01%	1056
2020 Q1	$809K	Sell	53,705 -103,798	-66%	-$2.16M	0.01%	857
2019 Q4	$4.22M	Buy	157,503 +78,063	+98%	+$1.97M	0.03%	579
2019 Q3	$1.82M	Buy	79,440 +42,109	+113%	+$996K	0.01%	796
2019 Q2	$958K	Buy	37,331 +3,996	+12%	+$99.7K	0.01%	948
2019 Q1	$817K	Buy	+33,335	New	+$794K	0.01%	1002

Other funds holding THR

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

MVP

Medina Value Partners Los Angeles, California $477M AUM 25.52% 1-Year Est. Return

GKIM

GW&K Investment Management Boston, Massachusetts $11.3B AUM 31.98% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

WHG

Westwood Holdings Group Dallas, Texas $13.7B AUM 21.48% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Marshall Wace's THR Position: Q1 2026 in Review

Marshall Wace opened a new position in Thermon Group Holdings (THR) in Q1 2026: 19,700 shares worth $993K. The stake represents ﹤0.01% of the portfolio and ranks #2135 among its holdings. This is a return to the name: Marshall Wace previously reported a position in THR as recently as Q2 2022.

Marshall Wace first reported a position in THR in Q1 2019 and has held it in 12 quarters since. The position peaked at $4.22M in Q4 2019. 215 funds tracked by Wall St. Rank hold THR as of Q1 2026.

Marshall Wace held 19,700 shares of Thermon Group Holdings worth $993K as of Q1 2026.
Thermon Group Holdings was a new Marshall Wace position in Q1 2026.
Thermon Group Holdings made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #2135 holding.
Marshall Wace first reported a position in Thermon Group Holdings in Q1 2019 and has held it in 12 quarters since.
Marshall Wace's Thermon Group Holdings position peaked at $4.22M in Q4 2019.
215 funds tracked by Wall St. Rank held Thermon Group Holdings as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.