13F institutional ownership facts
Institutions tracked
43
Reported value
$72,356,829.00
Reported shares
890,436
Latest filing period
Q2 2026
Top institutional holders
- Steve Cohen - Point72 Asset Management · $26,895,516 · 0.03%
- David E. Shaw - D.E. Shaw & Co. · $33,037,959 · 0.02%
- Renaissance Technologies · $13,994,597 · 0.02%
- Two Sigma Investments · $20,701,635 · 0.01%
- Israel Englander - Millennium Management · $26,419,007 · 0.01%
- Nuveen · $33,591,504 · 0.01%
Data source and limitations
This page uses public SEC Form 13F disclosures and related institutional filing data. 13F reports are periodic disclosures and may not represent current real-time holdings.
13F Hub provides research and education data only. It does not provide personalized investment advice.
$ATRO
Institutional Holdings
43
Top Institutions
Top Institutions
Steve Cohen - Point72 Asset Management
330,981 shares
0.03%
% of Portfolio
David E. Shaw - D.E. Shaw & Co.
406,571 shares
0.02%
% of Portfolio
Renaissance Technologies
172,220 shares
0.02%
% of Portfolio
Two Sigma Investments
254,758 shares
0.01%
% of Portfolio
Israel Englander - Millennium Management
325,117 shares
0.01%
% of Portfolio
Nuveen
413,383 shares
0.01%
% of Portfolio
First Eagle Investment Management
192,726 shares
0.03%
% of Portfolio
Capital International Investors
1,324,626 shares
0.02%
% of Portfolio
Capital World Investors
576,671 shares
0.01%
% of Portfolio
Cliff Asness - AQR Capital Management
253,603 shares
0.01%
% of Portfolio
Ken Fisher - Fisher Asset Management
333,965 shares
0.01%
% of Portfolio
BNP Paribas
148,329 shares
NaN%
% of Portfolio
Jane Street Group
115,903 shares
NaN%
% of Portfolio
State Street Corp
2,051,242 shares
NaN%
% of Portfolio
Ken Griffin - Citadel Advisors
96,566 shares
NaN%
% of Portfolio
Geode Capital Management
1,041,399 shares
NaN%
% of Portfolio
UBS Group
347,555 shares
NaN%
% of Portfolio
David Solomon - Goldman Sachs
484,353 shares
NaN%
% of Portfolio
Larry Fink - BlackRock
3,056,789 shares
NaN%
% of Portfolio
Charles Schwab
295,980 shares
NaN%
% of Portfolio
Northern Trust Corp
258,416 shares
NaN%
% of Portfolio
T. Rowe Price
281,518 shares
NaN%
% of Portfolio
Franklin Resources
123,362 shares
NaN%
% of Portfolio
Morgan Stanley
422,557 shares
NaN%
% of Portfolio
Dmitry Balyasny - Balyasny Asset Management
9,616 shares
NaN%
% of Portfolio
Invesco
168,982 shares
NaN%
% of Portfolio
Voya Investment Mgmt
6,122 shares
NaN%
% of Portfolio
Legal & General
25,497 shares
NaN%
% of Portfolio
Jamie Dimon - JPMorgan Chase
79,079 shares
NaN%
% of Portfolio
Ensign Peak Advisors
1,300 shares
NaN%
% of Portfolio
PNC Financial Services
472 shares
NaN%
% of Portfolio
Canada Pension Plan Investment Board
0 shares
0.00%
% of Portfolio
SG Americas Securities
0 shares
0.00%
% of Portfolio
Chuck Royce - Royce & Associates
393,413 shares
0.26%
% of Portfolio
Exoduspoint Capital Management, Lp
53,417 shares
0.03%
% of Portfolio
Mario Gabelli - GAMCO Investors
20,798 shares
0.02%
% of Portfolio
Polen Capital Management
39,379 shares
0.03%
% of Portfolio
Paul Tudor Jones - Tudor Investment Corp
17,508 shares
NaN%
% of Portfolio
John P. Calamos, Sr. - Calamos Advisors LLC
8,229 shares
NaN%
% of Portfolio
Jefferies Group
0 shares
0.00%
% of Portfolio
Joel Greenblatt - Gotham Asset Management
0 shares
0.00%
% of Portfolio
Nomura Holdings INC
0 shares
0.00%
% of Portfolio
Private Capital Management
73,310 shares
0.52%
% of Portfolio
Institutional InsightPRO
Scale Distribution
MEGA
25%
LARGE
40%
MEDIUM
15%
SMALL
20%
Geographic Distribution
Institutional Activity
Buyers
30
Sellers
35
Holders
80
New
8
Exited
5
Insider TradingPRO
Trading Statistics
Insider Buyers
8
Insider Sellers
35
Purchase Value
$23.1M
Role Distribution
RatingPRO
85
A
Overall Score
Strong institutional support with positive momentum
Rating Dimensions
Recent Actions
New
5
Increased
15
Decreased
8
Exited
2
Total
30