RGNX

Regenxbio Inc$8.91 10.61%
Health CareUSCUSIP 75901B107· EOD Aug 25, 2026◍ Confluence graph
Tracked 13F Holders
153
-114 QoQ
13F Value (tracked)
$352.7M
Insider Net · 180d
$9K
1↑ 1↓
Recent Filings
15
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)26 adding · 18 trimming
Insider net (180d)+$9K

Price & smart-money activity

$8.91 10.61%5Y -72.0%
$2.54$13.84$25.15$36.45$47.752021202220232024202520264291241626321525276272127283223163724232128737222382411332253931344235323313440324634316142
Hover for who · click for detailEnd-of-day closing prices52w $5.65 – $15.98

Who owns RGNX?

153 tracked 13F filers

153 tracked 13F filers disclose a position in RGNX as of the latest SEC 13F filings, a combined $352.7M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

All quarters use one ordinary-share-equivalent series. Historical ADS are converted at 2 ADS = 1 ordinary share. Expand a row for the exact calculation; the residual is not classified as a trade.
#FundPosition valueSharesLast moveAs ofHistory
1BlackRock, Inc.
$48.5M
5.8M
+0.5%
Added · +26K sh
Q1 2026
2Redmile Group, LLC
$36.6M
4.4M
Held
Q1 2026
3JPMORGAN CHASE & CO
$27.1M
3.5M
−2.0%
Reduced · −70K sh
Q1 2026
4STATE STREET CORP
$35.6M
3.0M
+8.8%
Added · +240K sh
Q2 2026
5MORGAN STANLEY
$17.3M
2.1M
+2.5%
Added · +51K sh
Q1 2026
6VANGUARD CAPITAL MANAGEMENT LLC
$16.8M
2.0M
First observed position
No prior filed position
Q1 2026
7GOLDMAN SACHS GROUP INC
$15.4M
1.8M
+3.0%
Added · +54K sh
Q1 2026
8Qube Research & Technologies Ltd
$11.0M
1.3M
+196%
Added · +868K sh
Q1 2026
9GEODE CAPITAL MANAGEMENT, LLC
$14.9M
1.2M
+9.1%
Added · +104K sh
Q2 2026
10AQR CAPITAL MANAGEMENT LLC
$8.8M
1.1M
−23%
Reduced · −310K sh
Q1 2026
11VANGUARD PORTFOLIO MANAGEMENT LLC
$8.5M
1.0M
First observed position
No prior filed position
Q1 2026
12DIMENSIONAL FUND ADVISORS LP
$8.5M
1.0M
+12%
Added · +107K sh
Q1 2026
13Integral Health Asset Management, LLC
$9.6M
800K
−47%
Reduced · −700K sh
Q2 2026
14Nuveen, LLC
$4.9M
582K
−12%
Reduced · −76K sh
Q1 2026
15TWO SIGMA INVESTMENTS, LP
$4.6M
555K
+327%
Added · +425K sh
Q1 2026
1622NW, LP
$5.9M
493K
Held
Q2 2026
17Pale Fire Capital SE
$5.6M
466K
−5.6%
Reduced · −28K sh
Q3 2026
18NORTHERN TRUST CORP
$3.3M
394K
+5.3%
Added · +20K sh
Q1 2026
19STIFEL FINANCIAL CORP
$3.3M
393K
+17%
Added · +58K sh
Q1 2026
20CHARLES SCHWAB INVESTMENT MANAGEMENT INC
$3.3M
391K
−0.2%
Reduced · −860 sh
Q1 2026
21BANK OF AMERICA CORP /DE/
$2.7M
325K
+8.1%
Added · +24K sh
Q1 2026
22VANGUARD FIDUCIARY TRUST CO
$2.6M
312K
First observed position
No prior filed position
Q1 2026
23FMR LLC
$2.6M
311K
+17%
Added · +45K sh
Q1 2026
24RENAISSANCE TECHNOLOGIES LLC
$2.6M
305K
−8.3%
Reduced · −28K sh
Q1 2026
25D. E. Shaw & Co., Inc.
$2.4M
286K
+318%
Added · +218K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Is RGNX being bought or sold by institutions?

Last quarter, 8 funds opened a new position in RGNX and 18 added to an existing one, while 18 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened (NEW)
8
funds
Added
18
funds
Reduced
18
funds
Exited
0
funds

Funds that own RGNX also own

CompanyCo-held byCombined value
NVIDIA CORPNVDA73 funds$221.7B
AMAZON.COM INCAMZN73 funds$108.9B
ELI LILLY & COLLY72 funds$41.9B
META PLATFORMS INC-CLASS AMETA71 funds$63.8B
MICROSOFT CORPMSFT70 funds$155.7B
MICRON TECHNOLOGY INCMU70 funds$18.8B
ALPHABET INC-CL AGOOGL69 funds$88.5B
COSTCO WHOLESALE CORPCOST69 funds$19.6B
VISA INC-CLASS A SHARESV68 funds$37.9B
LAM RESEARCH CORPLRCX68 funds$17.6B
APPLIED MATERIALS INCAMAT68 funds$15.9B
BOSTON SCIENTIFIC CORPBSX68 funds$8.6B

Ranked by how many of RGNX's institutional holders also hold each name, a cross-fund conviction signal.

Insider activity (Form 4)

Full insider page →
Buys · 180d
$949K
1 insiders
Sells · 180d
$940K
1 insiders
Net
$9K
7 P/S txns
Signal
Net Buying
open-market
DateInsiderRoleActionSharesValue
Aug 27, 2026Ciongoli Gregory AustinDirectorBuy (P)53K$500K
Aug 26, 2026Ciongoli Gregory AustinDirectorBuy (P)49K$450K
Jul 2, 2026PAKOLA STEVEChief Medical OfficerSell (S)2K$29K
Jul 1, 2026PAKOLA STEVEChief Medical OfficerSell (S)37K$472K
Jun 29, 2026PAKOLA STEVEChief Medical OfficerSell (S)20K$216K
May 11, 2026PAKOLA STEVEChief Medical OfficerSell (S)15K$169K
Mar 10, 2026PAKOLA STEVEChief Medical OfficerSell (S)5K$53K
Oct 9, 2025Simpson CurranChief Executive Officer, DirectorSell (S)21K$263K
Sep 29, 2025Simpson CurranChief Executive Officer, DirectorSell (S)8K$76K
Sep 10, 2025Simpson CurranChief Executive Officer, DirectorSell (S)8K$77K
May 12, 2025Mills Kenneth T.DirectorSell (S)21K$163K
Oct 1, 2024KARABELAS ARGERIS NDirectorSell (S)10K$101K

Institutional ownership over time

38 funds-96 since Q3 2024
076152Q3 2024Q1 2025Q3 2025Q1 2026Q2 2026
funds holding aggregate valuelatest $47.1M

Recent filings

15 shown

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Connected entities for RGNX

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Ask your agent what changed in RGNX

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

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curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/RGNX/capital-change-brief"
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Use Arkolith's capital_change_brief for RGNX.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for RGNX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.