MQS Management’s Regeneron Pharmaceuticals REGN Stock Holding History

MQS Management’s Portfolio REGN Stock Details REGN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$225K	Buy	+291	New	+$223K	0.15%	309
2025 Q2	–	Sell	-710	Closed	-$450K	–	618
2025 Q1	$450K	Buy	+710	New	+$488K	0.26%	153
2024 Q4	–	Sell	-728	Closed	-$765K	–	325
2024 Q3	$765K	Buy	+728	New	+$810K	0.43%	42
2024 Q1	–	Sell	-436	Closed	-$383K	–	645
2023 Q4	$383K	Buy	+436	New	+$359K	0.21%	193
2023 Q3	–	Sell	-513	Closed	-$369K	–	587
2023 Q2	$369K	Buy	+513	New	+$396K	0.25%	154
2023 Q1	–	Sell	-631	Closed	-$455K	–	565
2022 Q4	$455K	Buy	+631	New	+$466K	0.31%	118
2022 Q3	–	Sell	-423	Closed	-$250K	–	554
2022 Q2	$250K	Buy	+423	New	+$275K	0.17%	264

Other funds holding REGN

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return

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

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

MQS Management's REGN Position: Q1 2026 in Review

MQS Management opened a new position in Regeneron Pharmaceuticals (REGN) in Q1 2026: 291 shares worth $225K. The stake represents 0.15% of the portfolio and ranks #309 among its holdings. This is a return to the name: MQS Management previously reported a position in REGN as recently as Q1 2025.

MQS Management first reported a position in REGN in Q2 2022 and has held it in 7 quarters since. The position peaked at $765K in Q3 2024. 1,392 funds tracked by Wall St. Rank hold REGN as of Q1 2026.

MQS Management held 291 shares of Regeneron Pharmaceuticals worth $225K as of Q1 2026.
Regeneron Pharmaceuticals was a new MQS Management position in Q1 2026.
Regeneron Pharmaceuticals made up 0.15% of MQS Management's portfolio in Q1 2026, its #309 holding.
MQS Management first reported a position in Regeneron Pharmaceuticals in Q2 2022 and has held it in 7 quarters since.
MQS Management's Regeneron Pharmaceuticals position peaked at $765K in Q3 2024.
1,392 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q1 2026.

Based on MQS Management's 13F filing for Q1 2026, filed 23 Apr 2026.