Renaissance Technologies’s Regenxbio RGNX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$2.56M Sell
305,286
-27,800
-8% -$292K ﹤0.01% 1747
2025
Q4
$4.8M Buy
333,086
+23,600
+8% +$294K 0.01% 1330
2025
Q3
$2.99M Sell
309,486
-425,714
-58% -$3.76M ﹤0.01% 1797
2025
Q2
$6.04M Buy
735,200
+438,400
+148% +$3.67M 0.01% 1398
2025
Q1
$2.12M Buy
296,800
+25,500
+9% +$190K ﹤0.01% 1957
2024
Q4
$2.1M Buy
+271,300
New +$2.55M ﹤0.01% 2019
2024
Q2
Sell
-97,500
Closed -$2.05M 3886
2024
Q1
$2.05M Buy
97,500
+77,900
+397% +$1.39M ﹤0.01% 2018
2023
Q4
$352K Buy
+19,600
New +$345K ﹤0.01% 2920
2023
Q3
Sell
-27,700
Closed -$554K 4027
2023
Q2
$554K Buy
+27,700
New +$534K ﹤0.01% 2823
2021
Q2
Sell
-65,779
Closed -$2.24M 3724
2021
Q1
$2.24M Buy
+65,779
New +$2.81M ﹤0.01% 2146
2019
Q3
Sell
-350,441
Closed -$18M 3649
2019
Q2
$18M Sell
350,441
-519,300
-60% -$25.9M 0.02% 1027
2019
Q1
$49.8M Sell
869,741
-15,202
-2% -$753K 0.05% 510
2018
Q4
$37.1M Buy
884,943
+598,443
+209% +$35.1M 0.04% 561
2018
Q3
$21.6M Buy
+286,500
New +$20.6M 0.02% 894
2018
Q2
Sell
-134,200
Closed -$4.01M 3479
2018
Q1
$4.01M Buy
+134,200
New +$3.91M ﹤0.01% 1956

Other funds holding RGNX

Renaissance Technologies's RGNX Position: Q1 2026 in Review

Renaissance Technologies reduced its Regenxbio (RGNX) stake by 8.3% in Q1 2026, selling an estimated $292K and leaving 305,286 shares worth $2.56M. The position accounts for ﹤0.01% of the portfolio, ranked #1747.

Renaissance Technologies first reported a position in RGNX in Q1 2018 and has held it in 15 quarters since. The position peaked at $49.8M in Q1 2019. 178 funds tracked by Wall St. Rank hold RGNX as of Q1 2026.

  • Renaissance Technologies held 305,286 shares of Regenxbio worth $2.56M as of Q1 2026.
  • Renaissance Technologies sold 27,800 Regenxbio shares in Q1 2026, an estimated $292K.
  • Regenxbio made up ﹤0.01% of Renaissance Technologies's portfolio in Q1 2026, its #1747 holding.
  • Renaissance Technologies first reported a position in Regenxbio in Q1 2018 and has held it in 15 quarters since.
  • Renaissance Technologies's Regenxbio position peaked at $49.8M in Q1 2019.
  • 178 funds tracked by Wall St. Rank held Regenxbio as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.