Marshall Wace’s Regenxbio RGNX Stock Holding History

Marshall Wace’s Portfolio RGNX Stock Details RGNX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$15.4M	Buy	+1,284,950	New	+$10.7M	0.01%	842
2025 Q3	–	Sell	-222,342	Closed	-$1.83M	–	3327
2025 Q2	$1.83M	Sell	222,342 -3,238	-1%	-$27.1K	﹤0.01%	1600
2025 Q1	$1.61M	Buy	+225,580	New	+$1.68M	﹤0.01%	1561
2024 Q3	–	Sell	-39,093	Closed	-$457K	–	2889
2024 Q2	$457K	Buy	+39,093	New	+$608K	﹤0.01%	1996
2023 Q4	–	Sell	-33,249	Closed	-$547K	–	2542
2023 Q3	$547K	Buy	+33,249	New	+$603K	﹤0.01%	1694
2021 Q1	–	Sell	-8,903	Closed	-$404K	–	2797
2020 Q4	$404K	Buy	+8,903	New	+$311K	﹤0.01%	1565
2020 Q3	–	Sell	-58,445	Closed	-$2.15M	–	1873
2020 Q2	$2.15M	Buy	58,445 +55,514	+1,894%	+$2.07M	0.02%	762
2020 Q1	$95K	Buy	+2,931	New	+$122K	﹤0.01%	1329
2019 Q1	–	Sell	-38,821	Closed	-$1.63M	–	2010
2018 Q4	$1.63M	Sell	38,821 -317,965	-89%	-$18.7M	0.02%	778
2018 Q3	$26.9M	Buy	356,786 +151,737	+74%	+$10.9M	0.23%	118
2018 Q2	$14.7M	Buy	+205,049	New	+$9.79M	0.22%	132

Other funds holding RGNX

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

Redmile Group San Francisco, California $1.49B AUM 208.7% 1-Year Est. Return

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

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

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

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

Marshall Wace's RGNX Position: Q2 2026 in Review

Marshall Wace opened a new position in Regenxbio (RGNX) in Q2 2026: 1,284,950 shares worth $15.4M. The stake represents 0.01% of the portfolio and ranks #842 among its holdings. This is a return to the name: Marshall Wace previously reported a position in RGNX as recently as Q2 2025.

Marshall Wace first reported a position in RGNX in Q2 2018 and has held it in 11 quarters since. The position peaked at $26.9M in Q3 2018. 165 funds tracked by Wall St. Rank hold RGNX as of Q2 2026.

Marshall Wace held 1,284,950 shares of Regenxbio worth $15.4M as of Q2 2026.
Regenxbio was a new Marshall Wace position in Q2 2026.
Regenxbio made up 0.01% of Marshall Wace's portfolio in Q2 2026, its #842 holding.
Marshall Wace first reported a position in Regenxbio in Q2 2018 and has held it in 11 quarters since.
Marshall Wace's Regenxbio position peaked at $26.9M in Q3 2018.
165 funds tracked by Wall St. Rank held Regenxbio as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.