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AMBQ

Ambiq Micro
AMBQ

73 hedge funds and large institutions have $135M invested in Ambiq Micro in 2025 Q3 according to their latest regulatory filings, with 73 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed

24.71% more ownership

Funds ownership: 0% → 24.71% (+25%)

Holders
73
Holders Change
+73
Holders Change %
–
% of All Funds
0.96%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
73
Increased
–
Reduced
–
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
AM
Atreides Management
Massachusetts
+$24.9M
2
AllianceBernstein
AllianceBernstein
Tennessee
+$15.9M
3
KC
Kadensa Capital
Hong Kong
+$14.4M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$11.2M
5
BlackRock
BlackRock
New York
+$10.6M

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
Verition Fund Management
26
Verition Fund Management
Connecticut
$885K +$1.08M +29,572 New
XT
27
XTX Topco
Cayman Islands
$798K +$972K +26,662 New
Ameriprise
28
Ameriprise
Minnesota
$677K +$825K +22,627 New
RAM
29
Readystate Asset Management
Illinois
$643K +$784K +21,500 New
Blackstone Inc
30
Blackstone Inc
New York
$598K +$729K +20,000 New
FGP
31
Freestone Grove Partners
California
$598K +$729K +20,000 New
GCM
32
Ghisallo Capital Management
Massachusetts
$598K +$729K +20,000 New
HP
33
Hound Partners
New York
$598K +$729K +20,000 New
Deutsche Bank
34
Deutsche Bank
Germany
$595K +$725K +19,891 New
Alyeska Investment Group
35
Alyeska Investment Group
Illinois
$560K +$682K +18,710 New
KCM
36
Kornitzer Capital Management
Kansas
$509K +$620K +17,000 New
D.E. Shaw & Co
37
D.E. Shaw & Co
New York
$454K +$553K +15,169 New
II
38
Inspire Investing
Idaho
$451K +$550K +15,076 New
GRP
39
Global Retirement Partners
California
$359K +$437K +11,996 New
Walleye Capital
40
Walleye Capital
New York
$346K +$421K +11,555 New
Bank of New York Mellon
41
Bank of New York Mellon
New York
$331K +$403K +11,053 New
Squarepoint
42
Squarepoint
New York
$277K +$337K +9,246 New
Morgan Stanley
43
Morgan Stanley
New York
$261K +$318K +8,711 New
Two Sigma Investments
44
Two Sigma Investments
New York
$223K +$272K +7,466 New
KWA
45
Kingswood Wealth Advisors
California
$206K +$252K +6,900 New
Barclays
46
Barclays
United Kingdom
$197K +$239K +6,568 New
Bank of America
47
Bank of America
North Carolina
$177K +$216K +5,912 New
Royal Bank of Canada
48
Royal Bank of Canada
Ontario, Canada
$143K +$174K +4,772 New
RhumbLine Advisers
49
RhumbLine Advisers
Massachusetts
$119K +$145K +3,983 New
SS
50
SBI Securities
Japan
$101K +$123K +3,377 New
1
2
3

AMBQ Hedge Fund Activity: Q3 2025 in Review

73 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Ambiq Micro (AMBQ) for Q3 2025, worth a combined $135M.

Buyers outnumbered sellers: 73 funds opened new AMBQ positions and 0 closed out — a net gain of 73 holders — while 0 added to existing stakes and 0 trimmed.

The largest buyer was Atreides Management, opening a new position worth an estimated $24.9M.

  • 73 institutional investors held Ambiq Micro (AMBQ) as of Q3 2025, up from 0 in Q2 2025.
  • Funds reported $135M of Ambiq Micro stock for Q3 2025.
  • 73 funds opened new Ambiq Micro positions in Q3 2025 and 0 closed out, a net change of +73 holders.
  • The largest Ambiq Micro buyer in Q3 2025 was Atreides Management, an estimated $24.9M added.

Based on aggregated 13F filings for Q3 2025.