AXT

AXTI · NASDAQ

$57.09+$0.30 (+0.53%)TodayMarket closed · Oct 20, 7:59 PM ET

Prev close $56.79

Who owns AXTI

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 38.2% of AXTI’s shares.

BlackRock Institutional Trust Company, N.A.6.6%
Marex Group plc5.4%
Jane Street Capital, L.L.C.5.4%
Vanguard Capital Management, LLC4.2%
Next 6 largest institutions16.6%
All other shareholders61.8%

Top institutional holders of AXTI
Holder	Shares	% of shares	Change, last filing	Filed
BlackRock Institutional Trust Company, N.A.	4.32M	6.61%	+3.29M	Jun 30, 2026
Marex Group plc	3.56M	5.45%	−441.81K	Jun 30, 2026
Jane Street Capital, L.L.C.	3.53M	5.39%	−1.25M	Jun 30, 2026
Vanguard Capital Management, LLC	2.72M	4.16%	+444.51K	Jun 30, 2026
D. E. Shaw & Co., L.P.	2.25M	3.44%	+1.47M	Jun 30, 2026
Young (Morris S)	2.16M	3.31%	−111.80K	Jun 2, 2026
Vanguard Portfolio Management, LLC	1.76M	2.69%	+1.76M	Jun 30, 2026
Geode Capital Management, L.L.C.	1.74M	2.65%	+1.15M	Jun 30, 2026
State Street Investment Management (US)	1.48M	2.27%	+1.14M	Jun 30, 2026
Citadel Advisors LLC	1.48M	2.26%	+911.66K	Jun 30, 2026

Largest mutual fund holders

Top mutual fund holders of AXTI
Holder	Shares	% of shares	Change, last filing	Filed
Vanguard Total Stock Market Index Fund	1.98M	3.03%	+5.99K	Jul 31, 2026
iShares Russell 2000 ETF	1.62M	2.47%	+12.23K	Jul 31, 2026
E Fund Global Growth Selected Mixed Fund	1.24M	1.89%	+1.24M	Dec 31, 2025
Vanguard Small-Cap Index Fund	714.86K	1.09%	+2.44K	Jul 31, 2026
Vanguard Extended Market Index Fund	689.06K	1.05%	+3.01K	Jul 31, 2026

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders sold $29.77M (16 trades) of AXTI on the open market, with no buys.

Latest AXTI insider transactions
Insider	Date	Type	Shares	Price	Value
LEBLANC LEONARD J	Aug 17, 2026	Sale	4.00K	$96.07	$384.28K
LEBLANC LEONARD J	Aug 7, 2026	Sale	2.00K	$88.32	$176.63K
CHEN JESSE	Jun 15, 2026	Sale	6.17K	$115.24	$711.28K
CHANG DAVID C	Jun 15, 2026	Sale	8.33K	$111.17	$926.39K
YOUNG MORRIS S	Jun 12, 2026	Gift	1.20K	—	—
CHEN JESSE	Jun 12, 2026	Sale	13.00K	$95.77	$1.25M
CHEN JESSE	Jun 11, 2026	Sale	9.00K	$88.55	$796.93K
LEBLANC LEONARD J	Jun 10, 2026	Sale	500	$89.59	$44.79K
CHEN JESSE	Jun 10, 2026	Sale	9.00K	$86.73	$780.58K
CHEN JESSE	Jun 9, 2026	Sale	1.50K	$93.30	$139.95K

Short interest

Settled Sep 30, 2026

Shares short: 10.79M
Days to cover: 1.21
% of shares outstanding: 16.50%
Average daily volume: 8.94M
Change since last report: +22.5%

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