REGENXBIO Ownership | Who Owns REGENXBIO?

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REGENXBIO Ownership Summary

REGENXBIO is owned by 75.10% institutional investors, 7.54% insiders, and 17.35% retail investors. Blackrock is the largest institutional shareholder, holding 18.83% of RGNX shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 5.94% of its assets in REGENXBIO shares.

RGNX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	REGENXBIO	75.10%	7.54%	17.35%
Sector	Healthcare Stocks	57.39%	9.93%	32.68%
Industry	Biotech Stocks	68.48%	9.65%	21.87%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	8.61M	18.83%	$100.73M
Blackrock funding, inc. /de	5.47M	10.76%	$42.25M
Redmile group	4.79M	9.44%	$37.06M
Jpmorgan chase	4.14M	8.14%	$31.98M
State street	2.87M	6.28%	$33.62M
Vanguard group	2.99M	5.88%	$23.08M
Millennium management	1.32M	2.60%	$10.22M
Morgan stanley	1.18M	2.58%	$13.80M
Balyasny asset management	1.19M	2.34%	$9.18M
Dimensional fund advisors lp	1.17M	2.31%	$9.05M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Sonic gp	453.08K	10.94%	$5.30M
Aquilo capital management	346.30K	4.04%	$2.68M
Redmile group	4.79M	2.58%	$37.06M
Lion point capital, lp	57.75K	2.34%	$446.41K
Integral health asset management	950.00K	1.06%	$11.12M
Ghost tree capital	170.00K	0.62%	$1.99M
Archpoint investors	221.53K	0.56%	$1.71M
Napatree capital	49.76K	0.47%	$582.24K
Avidity partners management lp	532.00K	0.40%	$4.11M
Adar1 capital management	170.13K	0.26%	$1.32M

Top Buyers

Holder	Shares	% Assets	Change
Jpmorgan chase	4.14M	0.00%	1.66M
Millennium management	1.32M	0.01%	1.06M
Blackrock	8.61M	0.00%	1.01M
Adage capital partners gp	500.00K	0.01%	500.00K
Norges bank	449.40K	0.00%	449.40K

Top Sellers

Holder	Shares	% Assets	Change
Blackrock funding, inc. /de	5.47M	0.00%	-3.38M
Vanguard group	2.99M	0.00%	-1.38M
Avidity partners management lp	532.00K	0.40%	-600.56K
Aquilo capital management	346.30K	4.04%	-584.41K
Adar1 capital management	170.13K	0.26%	-398.88K

New Positions

Holder	Shares	% Assets	Change	Value
Adage capital partners gp	500.00K	0.01%	500.00K	$3.87M
Norges bank	449.40K	0.00%	449.40K	$3.47M
Voss capital	332.81K	0.19%	332.81K	$2.57M
Renaissance	271.30K	0.00%	271.30K	$2.10M
Opaleye management	80.00K	0.11%	80.00K	$618.40K

Sold Out

Holder	Change
Mendota financial group	-4.00
Nelson, van denburg & campbell wealth management group	-8.00
Innealta capital	-8.00
Capital performance advisors llp	-11.00
Parkside financial bank & trust	-18.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2024	170	-11.92%	38,152,884	-12.63%	75	1.02%	92	-3.16%	46	-9.80%
Sep 30, 2024	193	4.32%	43,669,664	-0.24%	85	1.15%	96	-4.95%	51	10.87%
Jun 30, 2024	181	-5.73%	43,737,010	3.28%	95	1.02%	100	-1.96%	44	-15.38%
Mar 31, 2024	192	10.34%	42,349,938	11.14%	96	1.29%	102	25.93%	52	-11.86%
Dec 31, 2023	174	6.10%	38,106,092	2.54%	86	1.19%	81	6.58%	59	15.69%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Small-Cap ETF	2.94M	5.94%	-
JPMorgan Small Cap Growth A	1.95M	3.90%	-21.95K
Vanguard Total Stock Mkt Idx Inv	1.40M	2.83%	-
Vanguard US Total Market Shares ETF	1.40M	2.80%	-
iShares Russell 2000 ETF	1.23M	2.46%	-10.67K
SPDR® S&P Biotech ETF	996.50K	2.01%	-6.06K
Vanguard Institutional Extnd Mkt Idx Tr	668.90K	1.35%	1.63K
Vanguard Small Cap Index	561.89K	1.13%	3.30K
Fidelity Small Cap Index	459.27K	0.92%	-8.60K
JPMorgan Small Cap Blend A	448.00K	0.89%	-2.56K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Oct 01, 2024	KARABELAS ARGERIS N	-	Sell	$101.05K
Sep 03, 2024	KARABELAS ARGERIS N	-	Sell	$106.95K
Sep 03, 2024	KARABELAS ARGERIS N	-	Sell	$8.64K
Aug 01, 2024	KARABELAS ARGERIS N	-	Sell	$129.12K
Aug 01, 2024	KARABELAS ARGERIS N	-	Sell	$5.83K

Insider Transactions Trends

Date	Buy	Sell
2024 Q4	-	1
2024 Q3	-	13
2024 Q2	-	2
2024 Q1	-	6
2023 Q4	-	1

RGNX Ownership FAQ

Who Owns REGENXBIO?

REGENXBIO shareholders are primarily institutional investors at 75.10%, followed by 7.54% insiders and 17.36% retail investors. The average institutional ownership in REGENXBIO's industry, Biotech Stocks , is 68.48%, which REGENXBIO exceeds.

Who owns the most shares of REGENXBIO?

REGENXBIO’s largest shareholders are Blackrock (8.61M shares, 18.83%), Blackrock funding, inc. /de (5.47M shares, 10.76%), and Redmile group (4.79M shares, 9.44%). Together, they hold 39.02% of REGENXBIO’s total shares outstanding.

Does Blackrock own REGENXBIO?

Yes, BlackRock owns 18.83% of REGENXBIO, totaling 8.61M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 100.73M$. In the last quarter, BlackRock increased its holdings by 1.01M shares, a 13.29% change.

Who is REGENXBIO’s biggest shareholder by percentage of total assets invested?

Sonic gp is REGENXBIO’s biggest shareholder by percentage of total assets invested, with 10.94% of its assets in 453.08K REGENXBIO shares, valued at 5.3M$.

Who is the top mutual fund holder of REGENXBIO shares?

iShares Core S&P Small-Cap ETF is the top mutual fund holder of REGENXBIO shares, with 5.94% of its total shares outstanding invested in 2.94M REGENXBIO shares.

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