SEI Investments’s Regenxbio RGNX Stock Holding History

SEI Investments’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	$185K	Buy	15,419 +499	+3%	+$4.14K	﹤0.01%	3061
2026 Q1	$125K	Hold	14,920	–	–	﹤0.01%	3059
2025 Q4	$215K	Sell	14,920 -111	-0.7%	-$1.38K	﹤0.01%	2872
2025 Q3	$145K	Buy	15,031 +571	+4%	+$5.05K	﹤0.01%	2670
2025 Q2	$119K	Buy	14,460 +1,147	+9%	+$9.6K	﹤0.01%	2663
2025 Q1	$95.2K	Buy	+13,313	New	+$99K	﹤0.01%	2603
2023 Q1	–	Sell	-19,978	Closed	-$453K	–	2725
2022 Q4	$453K	Buy	+19,978	New	+$452K	﹤0.01%	2052
2019 Q2	–	Sell	-8,123	Closed	-$466K	–	2690
2019 Q1	$466K	Buy	+8,123	New	+$402K	﹤0.01%	1928
2018 Q3	–	Sell	-12,527	Closed	-$899K	–	3236
2018 Q2	$899K	Buy	12,527 +12,518	+139,089%	+$598K	﹤0.01%	1627
2018 Q1	$0	Hold	9	–	–	﹤0.01%	3634
2017 Q4	$0	Hold	9	–	–	﹤0.01%	3458
2017 Q3	$0	Buy	+9	New	+$203	﹤0.01%	3360

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

Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

SEI Investments's RGNX Position: Q2 2026 in Review

SEI Investments increased its Regenxbio (RGNX) stake by 3.3% in Q2 2026, buying an estimated $4.14K and bringing the position to 15,419 shares worth $185K. The position accounts for ﹤0.01% of the portfolio, ranked #3061.

SEI Investments first reported a position in RGNX in Q3 2017 and has held it in 12 quarters since. The position peaked at $899K in Q2 2018. 164 funds tracked by Wall St. Rank hold RGNX as of Q2 2026.

SEI Investments held 15,419 shares of Regenxbio worth $185K as of Q2 2026.
SEI Investments bought 499 Regenxbio shares in Q2 2026, an estimated $4.14K.
Regenxbio made up ﹤0.01% of SEI Investments's portfolio in Q2 2026, its #3061 holding.
SEI Investments first reported a position in Regenxbio in Q3 2017 and has held it in 12 quarters since.
SEI Investments's Regenxbio position peaked at $899K in Q2 2018.
164 funds tracked by Wall St. Rank held Regenxbio as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.