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IonQ
IONQ

608 hedge funds and large institutions have $10.3B invested in IonQ in 2025 Q3 according to their latest regulatory filings, with 174 funds opening new positions, 288 increasing their positions, 87 reducing their positions, and 41 closing their positions.

New
Increased
Maintained
Reduced
Closed

324% more first-time investments, than exits

New positions opened: 174 | Existing positions closed: 41

231% more repeat investments, than reductions

Existing positions increased: 288 | Existing positions reduced: 87

81% more capital invested

Capital invested by funds: $5.7B → $10.3B (+$4.64B)

26% more funds holding

Funds holding: 482 → 608 (+126)

6.25% more ownership

Funds ownership: 50.69% → 56.94% (+6.2%)

0% more funds holding in top 10

Funds holding in top 10: 9 → 9 (0)

20% less call options, than puts

Call options by funds: $1.25B | Put options by funds: $1.56B

Holders
608
Holders Change
+126
Holders Change %
+26.14%
% of All Funds
7.98%
Holding in Top 10
9
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.12%
New
174
Increased
288
Reduced
87
Closed
41
Calls
$1.25B
Puts
$1.56B
Net Calls
-$313M
Net Calls Change
-$573M

Top Buyers

1
Morgan Stanley
Morgan Stanley
New York
+$285M
2
Vanguard Group
Vanguard Group
Pennsylvania
+$216M
3
BlackRock
BlackRock
New York
+$199M
4
Renaissance Technologies
Renaissance Technologies
New York
+$192M
5
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$83.3M

Top Sellers

1
CCM
Cerberus Capital Management
New York
-$108M
2
TI
Tidal Investments
Wisconsin
-$37.4M
3
ACI
Amazon.com Inc
Washington
-$36.7M
4
Amundi
Amundi
France
-$16.3M
5
UBS AM
UBS AM
Illinois
-$16.2M
Name Holding Trade Value Shares
Change 		Change in
Stake
MG
26
Marex Group
$49.2M +$11.2M +238,927 +43%
PCM
27
Penserra Capital Management
California
$49.2M +$14.7M +313,008 +64%
Deutsche Bank
28
Deutsche Bank
Germany
$47.8M +$2.45M +52,122 +7%
Bank of Montreal
29
Bank of Montreal
Ontario, Canada
$45.4M +$7.04M +149,817 +25%
QC
30
Quadrature Capital
United Kingdom
$44.4M +$34M +722,407 New
Dimensional Fund Advisors
31
Dimensional Fund Advisors
Texas
$42M +$29.6M +629,410 +1,170%
FCM
32
Frontier Capital Management
Massachusetts
$38.6M +$29.5M +628,277 New
LPU
33
Lansdowne Partners (UK)
United Kingdom
$38.6M +$67.5M +1,435,394 +286%
Macquarie Group
34
Macquarie Group
Australia
$37.6M +$26M +553,888 +952%
Chevy Chase Trust
35
Chevy Chase Trust
Maryland
$37.6M +$303K +6,453 +1%
Connor, Clark & Lunn Investment Management (CC&L)
36
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$37M -$11.1M -235,726 -28%
LPL Financial
37
LPL Financial
California
$34.6M -$7.76M -164,930 -23%
Raymond James Financial
38
Raymond James Financial
Florida
$33.5M +$9.69M +206,051 +61%
Swiss National Bank
39
Swiss National Bank
Switzerland
$31.3M +$3.52M +74,800 +17%
Invesco
40
Invesco
Georgia
$29.8M +$14.2M +300,995 +164%
Wells Fargo
41
Wells Fargo
California
$29.7M +$1.21M +25,646 +6%
UBS AM
42
UBS AM
Illinois
$29.2M -$16.2M -345,556 -42%
ClearBridge Investments
43
ClearBridge Investments
New York
$28.4M +$6.49M +138,036 +43%
California Public Employees Retirement System
44
California Public Employees Retirement System
California
$28.3M +$1.55M +32,961 +8%
EA
45
Emerald Advisers
Pennsylvania
$28.2M +$7.36M +156,423 +52%
VOYA Investment Management
46
VOYA Investment Management
Georgia
$27.7M +$14.2M +302,309 +203%
Ameriprise
47
Ameriprise
Minnesota
$27M -$6.44M -137,024 -24%
Voloridge Investment Management
48
Voloridge Investment Management
Florida
$26.9M +$20.5M +437,006 New
RhumbLine Advisers
49
RhumbLine Advisers
Massachusetts
$26.7M +$2.44M +51,798 +14%
Citigroup
50
Citigroup
New York
$26.7M +$15.6M +331,777 +325%
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IONQ Hedge Fund Activity: Q3 2025 in Review

608 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in IonQ (IONQ) for Q3 2025, worth a combined $10.3B — up 81% from $5.7B a quarter earlier.

Buyers outnumbered sellers: 174 funds opened new IONQ positions and 41 closed out — a net gain of 133 holders — while 288 added to existing stakes and 87 trimmed.

The largest buyer was Morgan Stanley, adding an estimated $285M. The largest seller was Cerberus Capital Management, cutting an estimated $108M.

  • 608 institutional investors held IonQ (IONQ) as of Q3 2025, up from 482 in Q2 2025.
  • Funds reported $10.3B of IonQ stock for Q3 2025, up 81% quarter-over-quarter.
  • 174 funds opened new IonQ positions in Q3 2025 and 41 closed out, a net change of +133 holders.
  • The largest IonQ buyer in Q3 2025 was Morgan Stanley, an estimated $285M added.
  • The largest IonQ seller in Q3 2025 was Cerberus Capital Management, an estimated $108M sold.

Based on aggregated 13F filings for Q3 2025.