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IONQ Institutional Ownership & 13F Holders | SmartMoneyDB

IONQIONQ INC

COM · CUSIP 46222L108

Smart Money Ownership

Of the 11 tracked institutions holding IONQ, 4 have a 3-year clone track record — 4 of them beat the S&P. Average holder's clone alpha: +7.2pt. It's a gauge of who owns the name, not just how many.

PRICE T ROWE ASSOCIATES INC /MD/

$41.4M

+2.7pt

IONQ (IONQ INC) Institutional Ownership Summary

Among the 11 tracked institutional investors we monitor, IONQ (IONQ INC) is held with a combined value of $2.83B across 78,859,483 shares. The largest holder is VANGUARD GROUP INC with a position worth $1.56B (0.02% of their portfolio). 3 funds opened new positions in the most recent quarter. 2 funds increased their holdings. 6 funds reduced their position.

Total Institutional Value

$2.83B

Total Shares Held

78,859,483

Institutional Holders

% of Shares Outstanding

21.1%

of 373.27M shares · SEC 2026-04-29

Days to Cover

2.8+6.8%

47.05M shares short · FINRA 2026-07-15

Tracked 13F institutions hold 21.1% of IONQ's shares outstanding. This is a floor: 13F filings arrive on a ~45-day lag and we track only a subset of institutional filers, so true institutional ownership is higher. Shares-outstanding is the latest SEC cover-page figure (as of 2026-04-29), not a live float.

This Quarter's Biggest Movers

Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.

Biggest Buyers

VANGUARD GROUP INC+19% shares~$243.6M Point72 Asset Management, L.P.New position~$12.0M STATE STREET CORP+3% shares~$8.8M RENAISSANCE TECHNOLOGIES LLCNew position~$4.0M Magnetar Financial LLCNew position~$1.2M

13F Institutional Holders

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PRICE T ROWE ASSOCIATES INC /MD/

0.00% of book-64.2%

$41.42M

WELLINGTON MANAGEMENT GROUP LLP

0.01% of book-28.8%

$29.27M

Point72 Asset Management, L.P.

0.02% of bookNew

$11.98M

MILLENNIUM MANAGEMENT LLC

0.00% of book-58.2%

$4.24M

RENAISSANCE TECHNOLOGIES LLC

0.01% of bookNew

$3.97M

AQR CAPITAL MANAGEMENT LLC

0.00% of book-18.5%

$1.56M

#	Fund	Value↓	Shares	Portfolio %	Change
1	VANGUARD GROUP INC	$1.56B	34,774,743	0.02%	+18.5%
2	BlackRock, Inc.	$861.18M	29,870,942	0.02%	-0.7%
3	STATE STREET CORP	$267.28M	9,270,862	0.01%	+3.4%
4	FMR LLC	$48.87M	1,695,185	0.00%	-14.4%
5	PRICE T ROWE ASSOCIATES INC /MD/	$41.42M	1,436,659	0.00%	-64.2%
6	WELLINGTON MANAGEMENT GROUP LLP	$29.27M	1,015,368	0.01%	-28.8%
7	Point72 Asset Management, L.P.	$11.98M	415,598	0.02%	New
8	MILLENNIUM MANAGEMENT LLC	$4.24M	147,100	0.00%	-58.2%
9	RENAISSANCE TECHNOLOGIES LLC	$3.97M	137,598	0.01%	New
10	AQR CAPITAL MANAGEMENT LLC	$1.56M	55,528	0.00%	-18.5%

Congress Trading

1 member · 1 disclosed trade in IONQ

Member	Type	Amount	Date
Greg Steube	Buy	$1,001 - $15,000	Mar 18, 2026

Frequently Asked Questions

Which institutional investors own the most IONQ stock?

As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of IONQ with a position worth $1.56B, representing 0.02% of their portfolio. In total, 11 institutional investors hold IONQ with a combined value of $2.83B.

Are hedge funds buying or selling IONQ?

In the most recent quarter, 3 funds opened a new position in IONQ. Additionally, 2 increased their holdings and 6 reduced their positions.

What percentage of IONQ is owned by institutional investors?

Institutional investors hold $2.83B worth of IONQ stock across 11 positions. The largest institutional holder is VANGUARD GROUP INC with $1.56B in holdings.

What is a 13F filing and why does it matter for IONQ?

A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For IONQ, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.

Track IONQ institutional moves

Get notified when hedge funds change their IONQ positions.