Massachusetts Financial Services
RGNX icon

Massachusetts Financial Services’s Regenxbio RGNX Stock Holding History

Massachusetts Financial Services’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 		$1.29M Sell
107,719
-4,292
-4% -$35.6K ﹤0.01% 870
2026
Q1 		$939K Sell
112,011
-2,977
-3% -$31.3K ﹤0.01% 850
2025
Q4 		$1.66M Sell
114,988
-3,807
-3% -$47.5K ﹤0.01% 803
2025
Q3 		$1.15M Buy
118,795
+98,295
+479% +$869K ﹤0.01% 797
2025
Q2 		$168K Buy
+20,500
New +$172K ﹤0.01% 878
2023
Q3 		– Sell
-23,273
Closed -$465K – 866
2023
Q2 		$465K Sell
23,273
-26,184
-53% -$504K ﹤0.01% 792
2023
Q1 		$935K Buy
49,457
+4,911
+11% +$109K ﹤0.01% 770
2022
Q4 		$1.01M Buy
44,546
+943
+2% +$21.3K ﹤0.01% 775
2022
Q3 		$1.15M Buy
+43,603
New +$1.29M ﹤0.01% 771

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

Massachusetts Financial Services's RGNX Position: Q2 2026 in Review

Massachusetts Financial Services reduced its Regenxbio (RGNX) stake by 3.8% in Q2 2026, selling an estimated $35.6K and leaving 107,719 shares worth $1.29M. The position accounts for ﹤0.01% of the portfolio, ranked #870.

Massachusetts Financial Services first reported a position in RGNX in Q3 2022 and has held it in 9 quarters since. The position peaked at $1.66M in Q4 2025. 165 funds tracked by Wall St. Rank hold RGNX as of Q2 2026.

  • Massachusetts Financial Services held 107,719 shares of Regenxbio worth $1.29M as of Q2 2026.
  • Massachusetts Financial Services sold 4,292 Regenxbio shares in Q2 2026, an estimated $35.6K.
  • Regenxbio made up ﹤0.01% of Massachusetts Financial Services's portfolio in Q2 2026, its #870 holding.
  • Massachusetts Financial Services first reported a position in Regenxbio in Q3 2022 and has held it in 9 quarters since.
  • Massachusetts Financial Services's Regenxbio position peaked at $1.66M in Q4 2025.
  • 165 funds tracked by Wall St. Rank held Regenxbio as of Q2 2026.

Based on Massachusetts Financial Services's 13F filing for Q2 2026, filed 3 Aug 2026.