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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
AM
1
Atreides Management
Massachusetts
$20.5M +$24.9M +684,307 New
AllianceBernstein
2
AllianceBernstein
Tennessee
$13M +$15.9M +436,154 New
KC
3
Kadensa Capital
Hong Kong
$11.8M +$14.4M +394,991 New
Vanguard Group
4
Vanguard Group
Pennsylvania
$9.21M +$11.2M +307,836 New
BlackRock
5
BlackRock
New York
$8.73M +$10.6M +291,876 New
SSA
6
Schonfeld Strategic Advisors
New York
$8.2M +$9.99M +274,087 New
MIM
7
Monashee Investment Management
Massachusetts
$5.98M +$7.29M +200,000 New
SAM
8
Silvercrest Asset Management
New York
$5.65M +$6.88M +188,690 New
FIG
9
Fortress Investment Group
New York
$4.49M +$5.47M +150,000 New
SoftBank Group
10
SoftBank Group
Japan
$4.46M +$5.43M +148,939 New
WA
11
Wasatch Advisors
Utah
$4.35M +$5.3M +145,426 New
Goldman Sachs
12
Goldman Sachs
New York
$3.63M +$4.43M +121,403 New
Geode Capital Management
13
Geode Capital Management
Massachusetts
$2.93M +$3.57M +98,026 New
GGHC
14
Gilder Gagnon Howe & Co
New York
$2.86M +$3.49M +95,748 New
SPPAM
15
Summit Partners Public Asset Management
Massachusetts
$2.8M +$3.41M +93,597 New
State Street
16
State Street
Massachusetts
$2.16M +$2.64M +72,296 New
Citadel Advisors
17
Citadel Advisors
Florida
$1.8M +$2.19M +60,000 New
MC
18
Maverick Capital
Texas
$1.77M +$2.16M +59,248 New
First Eagle Investment Management
19
First Eagle Investment Management
New York
$1.76M +$2.15M +58,900 New
SGM
20
Seven Grand Managers
New York
$1.5M +$1.82M +50,000 New
UBS Group
21
UBS Group
Switzerland
$1.24M +$1.51M +41,430 New
PEAK6
22
PEAK6
Illinois
$1.2M +$1.46M +39,999 New
LP
23
LMR Partners
United Kingdom
$1.19M +$1.45M +39,850 New
Northern Trust
24
Northern Trust
Illinois
$1.02M +$1.24M +33,969 New
Charles Schwab
25
Charles Schwab
California
$923K +$1.12M +30,852 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.