Ticker · CUSIP 46222L108
Holders (tracked)
20
Combined shares
16,961,996
Combined value
$761.09M
Last close
$46.09
Quarter
2025Q4
Price · 1Y$46.09+20.35 (+79.06%)H $82.09 · L $24.03 · Avg Vol 23.7M
Congress buyPosition opened
Tracked holders · last 8 quarters
+6 vs previous quarter over the last 8.
Price is +2.7% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
20 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−614,401 shares · 2025Q4Position
- D.E. Shaw & Co. trimmed2026-02-17−4,568,803 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+94,822 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−300,214 shares · 2025Q4Position
- Steve Cohen (Point72) added2026-02-17+122,300 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+762,585 shares · 2025Q4Position
- Wellington Management added2026-02-17+611,249 shares · 2025Q4Position
- +68,200 shares · 2025Q4Position
- AQR Capital Management added2026-02-17+11,500 shares · 2025Q4Position
- Renaissance Technologies exited2026-02-12−5,079,700 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+4,451,819 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2025-11-14+204,028 shares · 2025Q3Position
- D.E. Shaw & Co. added2025-11-14+1,408,789 shares · 2025Q3Position
- AQR Capital Management added2025-11-14+8,194 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+1,771,652 shares · 2025Q3Position
- Wellington Management added2025-11-14+483,240 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+4,073,300 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−2,670,872 shares · 2025Q3Position
- Norges Bank (Norway SWF) added2025-11-12+9,725 shares · 2024Q3Position
- Ken Fisher (Fisher Asset Mgmt) exited2025-11-12−12,031 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of IONQ…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| AQR Capital Management | 2023Q2 | $27.99 | +64.6% | $3.1M |
| Paul Tudor Jones (Tudor Investment) | 2023Q2 | $34.04 | +35.4% | $1.5M |
| Paul Tudor Jones (Tudor Investment) | 2023Q2 | $34.04 | +35.4% | $1.5M |
| Steve Cohen (Point72) | 2023Q4 | $40.17 | +14.7% | $6.4M |
| Steve Cohen (Point72) | 2023Q4 | $40.17 | +14.7% | $6.4M |
| Norges Bank (Norway SWF) | 2022Q3 | $42.99 | +7.2% | $205.2M |
| Ken Griffin (Citadel Advisors) | 2021Q4 | $46.46 | -0.8% | $80.0M |
| Ken Griffin (Citadel Advisors) | 2021Q4 | $46.46 | -0.8% | $80.0M |
| Ken Griffin (Citadel Advisors) | 2021Q4 | $46.46 | -0.8% | $80.0M |
| Wellington Management | 2022Q2 | $46.66 | -1.2% | $65.7M |
| T. Rowe Price | 2022Q2 | $50.62 | -8.9% | $184.8M |
| Two Sigma Investments | 2022Q2 | $51.19 | -10.0% | $6.1M |
| Two Sigma Investments | 2022Q2 | $51.19 | -10.0% | $6.1M |
| Two Sigma Investments | 2022Q2 | $51.19 | -10.0% | $6.1M |
| D.E. Shaw & Co. | 2022Q2 | $59.29 | -22.3% | $13.6M |
| D.E. Shaw & Co. | 2022Q2 | $59.29 | -22.3% | $13.6M |
| D.E. Shaw & Co. | 2022Q2 | $59.29 | -22.3% | $13.6M |
| Izzy Englander (Millennium Mgmt) | 2021Q4 | $60.55 | -23.9% | $4.3M |
| Izzy Englander (Millennium Mgmt) | 2021Q4 | $60.55 | -23.9% | $4.3M |
| Izzy Englander (Millennium Mgmt) | 2021Q4 | $60.55 | -23.9% | $4.3M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions2
- Norges Bank (Norway SWF)+4,451,819$199.8M
- Paul Tudor Jones (Tudor Investment)+68,200$3.1M
Added to5
- Wellington Management+611,249$27.4M
- Steve Cohen (Point72)+122,300$5.5M
- Two Sigma Investments+94,822$4.3M
- AQR Capital Management+11,500$516K
- T. Rowe Price+762,585$34K
Trimmed3
- D.E. Shaw & Co.−4,568,803$205.0M
- Ken Griffin (Citadel Advisors)−614,401$27.6M
- Izzy Englander (Millennium Mgmt)−300,214$13.5M
Exited1
- Renaissance Technologies−5,079,700$312.4M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 5 | $31.1M |
| 2022Q2 | 8 | $50.5M |
| 2022Q3 | 8 | $50.7M |
| 2022Q4 | 8 | $38.8M |
| 2023Q1 | 9 | $67.3M |
| 2023Q2 | 11 | $265.2M |
| 2023Q3 | 15 | $276.6M |
| 2023Q4 | 10 | $256.8M |
| 2024Q1 | 9 | $185.9M |
| 2024Q2 | 6 | $106.8M |
| 2024Q3 | 8 | $17.7M |
| 2024Q4 | 15 | $305.0M |
| 2025Q1 | 17 | $468.6M |
| 2025Q2 | 19 | $807.3M |
| 2025Q3 | 14 | $1.44B |
| 2025Q4 | 20 | $761.1M |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2026-03-18 | Greg Steube | Buy | $1K – $15K | PDF ↗ |
Who owns IONQ
20 super-investors · 2025Q4
Tracked stake
16.96M
shares
Combined value
$761M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added8Trim9
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Norges Bank Norway SWF | 4.45M | $200M |
| 2 | T. Rowe Price | 4.01M | $180M |
| 3 | Ken Griffin Citadel Advisors | 1.89M | $85M |
| 4 | Ken Griffin Citadel Advisors | 1.74M | $78M |
| 5 | Wellington Management | 1.43M | $64M |
| 6 | D.E. Shaw & Co. | 927.3K | $42M |
| 7 | D.E. Shaw & Co. | 879.6K | $39M |
| 8 | D.E. Shaw & Co. | 294.4K | $13M |
| 9 | Ken Griffin Citadel Advisors | 255.5K | $11M |
| 10 | Two Sigma Investments | 174.7K | $8M |
| 11 | Izzy Englander Millennium Mgmt | 141.8K | $6M |
| 12 | Steve Cohen Point72 | 138.3K | $6M |
| 13 | Two Sigma Investments | 132.5K | $6M |
| 14 | Izzy Englander Millennium Mgmt | 116.0K | $5M |
| 15 | Two Sigma Investments | 115.9K | $5M |
| 16 | Izzy Englander Millennium Mgmt | 93.7K | $4M |
| 17 | AQR Capital Management | 68.1K | $3M |
| 18 | Steve Cohen Point72 | 40.9K | $2M |
| 19 | Paul Tudor Jones Tudor Investment | 36.4K | $2M |
| 20 | Paul Tudor Jones Tudor Investment | 31.8K | $1M |
Recent moves
20 transactions
- +11,500 · 2025Q4
- +68,200 · 2025Q4
- −614,401 · 2025Q4
- −300,214 · 2025Q4
- +122,300 · 2025Q4
- +611,249 · 2025Q4
- +762,585 · 2025Q4
- +94,822 · 2025Q4
- TRIMD.E. Shaw & Co.−4,568,803 · 2025Q4
- −5,079,700 · 2025Q4
- +4,451,819 · 2025Q4
- +204,028 · 2025Q3
- +1,771,652 · 2025Q3
- +483,240 · 2025Q3
- +8,194 · 2025Q3
- +1,408,789 · 2025Q3
- −2,670,872 · 2025Q3
- +4,073,300 · 2025Q3
- −12,031 · 2025Q3
- +9,725 · 2024Q3
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