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MASSACHUSETTS FINANCIAL SERVICES CO /MA/

Position in RGNX — REGENXBIO Inc.

CIK 912938 Boston, MA

Position in RGNX

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$1,290,472
+$351,821 QoQ
Shares Held
107,719
-3.8% QoQ
Ownership
0.163%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#48
of 163 holders
Holding Since
Sep 2022
9 quarters on record
Voting authority Sole 83% Shared 17% None 0%

Common Shares in RGNX Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $2,249,676,327 across 65 Biotechnology names. RGNX ranks #34 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in RGNX

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9 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,290,472 107,719
2026-03-31 $938,651 112,011
2025-12-31 $1,655,826 114,988
2025-09-30 $1,146,370 118,795
2025-06-30 $168,305 20,500
2023-06-30 $465,227 23,273
2023-03-31 $935,231 49,457
2022-12-31 $1,010,303 44,546
2022-09-30 $1,152,427 43,603