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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
Victory Capital Management
51
Victory Capital Management
Texas
$26.4M +$1.55M +32,928 +8%
Barclays
52
Barclays
United Kingdom
$26.1M -$3.67M -78,077 -16%
Millennium Management
53
Millennium Management
New York
$25.6M +$9.59M +204,028 +96%
Royal Bank of Canada
54
Royal Bank of Canada
Ontario, Canada
$24.8M +$6.21M +132,142 +49%
CF
55
Cantor Fitzgerald
New York
$23.9M +$18.2M +388,089 New
Westfield Capital Management
56
Westfield Capital Management
Massachusetts
$22.6M -$14.3M -303,960 -45%
VanEck Associates
57
VanEck Associates
New York
$22.4M +$12.8M +273,010 +299%
CAI
58
Capital Advisors Inc
Oklahoma
$20.9M -$749K -15,930 -4%
AllianceBernstein
59
AllianceBernstein
Tennessee
$19.8M +$1.8M +38,303 +14%
FAM
60
Fred Alger Management
New York
$19.4M +$11.2M +238,959 +310%
BNP Paribas Financial Markets
61
BNP Paribas Financial Markets
France
$18.4M +$2.52M +53,504 +22%
YIH
62
Y-Intercept (HK)
Hong Kong
$18.3M +$7.3M +155,294 +109%
HF
63
HRT Financial
New York
$17.5M +$13.3M +283,758 New
EMFAT
64
Emerald Mutual Fund Advisers Trust
Pennsylvania
$17.1M +$4.84M +102,943 +59%
OIC
65
Orion Investment Company
Missouri
$16.9M +$177K +3,770 +1%
CIC
66
Carnegie Investment Counsel
Ohio
$16.5M -$7.33M -155,878 -37%
HLA
67
Hamilton Lane Advisors
Pennsylvania
$16M – – –
VA
68
Vident Advisory
Georgia
$15.8M +$12.1M +256,676 New
California State Teachers Retirement System (CalSTRS)
69
California State Teachers Retirement System (CalSTRS)
California
$15.3M +$1.55M +32,963 +15%
QF
70
QVT Financial
New York
$14.7M +$625K +13,297 +6%
Man Group
71
Man Group
United Kingdom
$14.6M +$2.63M +55,944 +31%
Federated Hermes
72
Federated Hermes
Pennsylvania
$14.4M +$9.61M +204,465 +696%
ACM
73
Aquatic Capital Management
Illinois
$13.8M +$10.4M +221,873 +9,180%
AI
74
Axiom Investors
Connecticut
$13M +$6.74M +143,401 +213%
Bessemer Group
75
Bessemer Group
New Jersey
$12.4M +$9.44M +200,824 +41,665%
1 2
3
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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.