13F institutional ownership facts
Institutions tracked
39
Reported value
$105,507,767.00
Reported shares
7,612,393
Latest filing period
Q2 2026
Top institutional holders
- Two Sigma Investments · $59,856,212 · 0.04%
- Jane Street Group · $47,138,844 · 0%
- Renaissance Technologies · $19,527,701 · 0.03%
- Steve Cohen - Point72 Asset Management · $15,797,780 · 0.02%
- Ken Griffin - Citadel Advisors · $23,234,128 · 0%
- Israel Englander - Millennium Management · $16,743,116 · 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.
$AMPX
Institutional Holdings
39
Top Institutions
Top Institutions
Two Sigma Investments
4,318,630 shares
0.04%
% of Portfolio
Jane Street Group
3,401,071 shares
0.00%
% of Portfolio
Renaissance Technologies
1,408,925 shares
0.03%
% of Portfolio
Steve Cohen - Point72 Asset Management
1,139,811 shares
0.02%
% of Portfolio
Ken Griffin - Citadel Advisors
1,676,344 shares
0.00%
% of Portfolio
Israel Englander - Millennium Management
1,208,017 shares
0.01%
% of Portfolio
UBS Group
4,072,269 shares
0.01%
% of Portfolio
David E. Shaw - D.E. Shaw & Co.
671,812 shares
NaN%
% of Portfolio
David Solomon - Goldman Sachs
2,542,294 shares
NaN%
% of Portfolio
Morgan Stanley
5,105,505 shares
NaN%
% of Portfolio
Geode Capital Management
3,520,655 shares
NaN%
% of Portfolio
Larry Fink - BlackRock
11,335,092 shares
NaN%
% of Portfolio
T. Rowe Price
1,635,883 shares
NaN%
% of Portfolio
SG Americas Securities
288,368 shares
NaN%
% of Portfolio
Charles Schwab
1,176,959 shares
NaN%
% of Portfolio
Voya Investment Mgmt
158,658 shares
NaN%
% of Portfolio
Northern Trust Corp
1,229,628 shares
NaN%
% of Portfolio
BNP Paribas
183,631 shares
NaN%
% of Portfolio
State Street Corp
3,240,285 shares
NaN%
% of Portfolio
Nuveen
397,802 shares
NaN%
% of Portfolio
Canada Pension Plan Investment Board
119,600 shares
NaN%
% of Portfolio
Cliff Asness - AQR Capital Management
173,155 shares
NaN%
% of Portfolio
Wellington Management
342,797 shares
NaN%
% of Portfolio
Amundi
196,767 shares
NaN%
% of Portfolio
Invesco
571,613 shares
NaN%
% of Portfolio
Legal & General
107,923 shares
NaN%
% of Portfolio
Franklin Resources
84,909 shares
NaN%
% of Portfolio
Jamie Dimon - JPMorgan Chase
123,377 shares
NaN%
% of Portfolio
PNC Financial Services
1,540 shares
NaN%
% of Portfolio
Exoduspoint Capital Management, Lp
179,272 shares
0.02%
% of Portfolio
Paul Tudor Jones - Tudor Investment Corp
747,428 shares
0.01%
% of Portfolio
Polen Capital Management
465,598 shares
0.06%
% of Portfolio
Nomura Holdings INC
109,808 shares
NaN%
% of Portfolio
John P. Calamos, Sr. - Calamos Advisors LLC
94,158 shares
NaN%
% of Portfolio
Natixis
47,000 shares
NaN%
% of Portfolio
Joel Greenblatt - Gotham Asset Management
0 shares
0.00%
% of Portfolio
PSP Investments
0 shares
0.00%
% of Portfolio
Verition Fund Management LLC
0 shares
0.00%
% of Portfolio
John Hussman - Hussman Strategic Advisors
105,000 shares
0.34%
% of Portfolio
Institutional InsightPRO
Scale Distribution
MEGA
25%
LARGE
30%
MEDIUM
15%
SMALL
30%
Geographic Distribution
Institutional Activity
Buyers
50
Sellers
25
Holders
60
New
13
Exited
9
Insider TradingPRO
Trading Statistics
Insider Buyers
13
Insider Sellers
25
Purchase Value
$29.9M
Role Distribution
RatingPRO
70
B
Overall Score
Strong institutional support with positive momentum
Rating Dimensions
Recent Actions
New
5
Increased
15
Decreased
8
Exited
4
Total
40