Mariner
RGNX icon

Mariner’s Regenxbio RGNX Stock Holding History

Mariner’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 		$457K Buy
38,162
+163
+0.4% +$1.35K ﹤0.01% 2523
2026
Q1 		$318K Sell
37,999
-17,424
-31% -$183K ﹤0.01% 2811
2025
Q4 		$797K Buy
55,423
+23,117
+72% +$288K ﹤0.01% 2106
2025
Q3 		$312K Buy
32,306
+19,402
+150% +$172K ﹤0.01% 2775
2025
Q2 		$106K Buy
+12,904
New +$108K ﹤0.01% 3237

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

Mariner's RGNX Position: Q2 2026 in Review

Mariner increased its Regenxbio (RGNX) stake by 0.43% in Q2 2026, buying an estimated $1.35K and bringing the position to 38,162 shares worth $457K. The position accounts for ﹤0.01% of the portfolio, ranked #2523.

Mariner first reported a position in RGNX in Q2 2025 and has held it in 5 quarters since. The position peaked at $797K in Q4 2025. 165 funds tracked by Wall St. Rank hold RGNX as of Q2 2026.

  • Mariner held 38,162 shares of Regenxbio worth $457K as of Q2 2026.
  • Mariner bought 163 Regenxbio shares in Q2 2026, an estimated $1.35K.
  • Regenxbio made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2523 holding.
  • Mariner first reported a position in Regenxbio in Q2 2025 and has held it in 5 quarters since.
  • Mariner's Regenxbio position peaked at $797K in Q4 2025.
  • 165 funds tracked by Wall St. Rank held Regenxbio as of Q2 2026.

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