Simplex Trading
RGNX icon

Simplex Trading’s Regenxbio RGNX Stock Holding History

Simplex Trading’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 		$590K Buy
+49,244
New +$409K ﹤0.01% 3390
2026
Q1 		– Sell
-6,234
Closed -$65.5K – 9966
2025
Q4 		$89.8K Sell
6,234
-6,143
-50% -$76.6K ﹤0.01% 5104
2025
Q3 		$119K Buy
+12,377
New +$109K ﹤0.01% 5540
2025
Q1 		– Sell
-2,819
Closed -$21K – 9468
2024
Q4 		$21K Buy
2,819
+1,532
+119% +$14.4K ﹤0.01% 6652
2024
Q3 		$13K Sell
1,287
-3,968
-76% -$48.4K ﹤0.01% 7022
2024
Q2 		$61K Buy
+5,255
New +$81.8K ﹤0.01% 5874
2023
Q4 		– Sell
-23,305
Closed -$411K – 9663
2023
Q3 		$383K Buy
23,305
+8,033
+53% +$146K ﹤0.01% 3675
2023
Q2 		$305K Buy
15,272
+12,574
+466% +$242K ﹤0.01% 3823
2023
Q1 		$51K Buy
2,698
+2,151
+393% +$47.6K ﹤0.01% 5905
2022
Q4 		$12K Sell
547
-639
-54% -$14.4K ﹤0.01% 7388
2022
Q3 		$31K Buy
+1,186
New +$35.2K ﹤0.01% 7039
2022
Q2 		– Sell
-323
Closed -$8.07K – 10898
2022
Q1 		$10K Buy
323
+292
+942% +$8.11K ﹤0.01% 8890
2021
Q4 		$1K Buy
+31
New +$1.06K ﹤0.01% 10237
2021
Q2 		– Sell
-385
Closed -$13.8K – 10605
2021
Q1 		$13K Sell
385
-46,247
-99% -$1.97M ﹤0.01% 7759
2020
Q4 		$2.12M Buy
46,632
+46,036
+7,724% +$1.61M ﹤0.01% 1726
2020
Q3 		$16K Sell
596
-11,554
-95% -$377K ﹤0.01% 6512
2020
Q2 		$447K Sell
12,150
-1,415
-10% -$52.8K ﹤0.01% 3032
2020
Q1 		$439K Buy
13,565
+2,774
+26% +$116K ﹤0.01% 2732
2019
Q4 		$442K Buy
10,791
+10,463
+3,190% +$413K ﹤0.01% 2875
2019
Q3 		$11K Sell
328
-1,156
-78% -$46.8K ﹤0.01% 6202
2019
Q2 		$76K Buy
+1,484
New +$74.1K ﹤0.01% 4464
2018
Q2 		– Sell
-4,252
Closed -$203K – 7801
2018
Q1 		$126K Sell
4,252
-3,125
-42% -$90.9K 0.01% 1611
2017
Q4 		$245K Buy
+7,377
New +$222K 0.01% 1138

Other funds holding RGNX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RG
Redmile Group San Francisco, California $1.49B AUM 208.7% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

Simplex Trading's RGNX Position: Q2 2026 in Review

Simplex Trading opened a new position in Regenxbio (RGNX) in Q2 2026: 49,244 shares worth $590K. The stake represents ﹤0.01% of the portfolio and ranks #3390 among its holdings. This is a return to the name: Simplex Trading previously reported a position in RGNX as recently as Q4 2025.

Simplex Trading first reported a position in RGNX in Q4 2017 and has held it in 23 quarters since. The position peaked at $2.12M in Q4 2020. 165 funds tracked by Wall St. Rank hold RGNX as of Q2 2026.

  • Simplex Trading held 49,244 shares of Regenxbio worth $590K as of Q2 2026.
  • Regenxbio was a new Simplex Trading position in Q2 2026.
  • Regenxbio made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #3390 holding.
  • Simplex Trading first reported a position in Regenxbio in Q4 2017 and has held it in 23 quarters since.
  • Simplex Trading's Regenxbio position peaked at $2.12M in Q4 2020.
  • 165 funds tracked by Wall St. Rank held Regenxbio as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.