Weiss Asset Management’s Regeneron Pharmaceuticals REGN Stock Holding History

Weiss Asset 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 Q2	–	Sell	-336	Closed	-$260K	–	805
2026 Q1	$260K	Buy	+336	New	+$257K	﹤0.01%	445
2022 Q2	–	Sell	-4,037	Closed	-$2.82M	–	780
2022 Q1	$2.82M	Buy	+4,037	New	+$2.55M	0.06%	376
2018 Q4	–	Sell	-571	Closed	-$231K	–	484
2018 Q3	$231K	Buy	+571	New	+$217K	0.02%	143
2018 Q1	–	Sell	-571	Closed	-$215K	–	310
2017 Q4	$215K	Buy	+571	New	+$231K	0.02%	196

Other funds holding REGN

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Dodge & Cox San Francisco, California $191B AUM 17.5% 1-Year Est. Return

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

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

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

Weiss Asset Management's REGN Position: Q2 2026 in Review

Weiss Asset Management sold out of Regeneron Pharmaceuticals (REGN) in Q2 2026, closing a stake of 336 shares — an estimated $260K sold.

Weiss Asset Management first reported a position in REGN in Q4 2017 and held it in 4 quarters. The position peaked at $2.82M in Q1 2022. 1,332 funds tracked by Wall St. Rank hold REGN as of Q2 2026.

Weiss Asset Management reported no remaining Regeneron Pharmaceuticals position as of Q2 2026 after selling out during the quarter.
Weiss Asset Management sold 336 Regeneron Pharmaceuticals shares in Q2 2026, an estimated $260K.
Weiss Asset Management first reported a position in Regeneron Pharmaceuticals in Q4 2017 and held it in 4 quarters.
Weiss Asset Management's Regeneron Pharmaceuticals position peaked at $2.82M in Q1 2022.
1,332 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q2 2026.

Based on Weiss Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.