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IonQ, Inc.

IONQ
Exchange
NYSE
Industry
Services-Computer Integrated Systems Design
SEC CIK
0001824920

In the last 90 days, IonQ, Inc. insiders filed 0 open-market purchases and 1 sale; 785 institutions reported holding it in 13F filings for Q2 2026, worth $10.4B in total; no superinvestor holds it.

Other share classesIONQ.WT

Holders of 5% or more of IONQ

Holders whose latest Schedule 13D or 13G filing reports 5% or more of IonQ, Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of IONQ
HolderLatest formStakeChangeFirst filedLatest filingFiling
BlackRock, Inc.13G/A7.80%27.8M shares+1.50 ppfrom 6.30%Feb 5, 20253 filingsJan 21, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

6 Schedule 13D and 13G filings on IonQ, Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on IONQ
Filed (ET)FilerFormStakeChangeEvent dateFiling
Mar 27, 20269:53 AM ETVanguard Group Inc13G/A0.00%0 shares–Below 5%Mar 13, 2026SEC
Feb 12, 20261:56 PM ETMorgan Stanleyand 1 other13G/A4.80%17.1M shares−2.30 ppfrom 7.10%Below 5%Dec 31, 2025SEC
Jan 21, 20265:11 PM ETBlackRock, Inc.13G/A7.80%27.8M shares+1.50 ppfrom 6.30%Dec 31, 2025SEC
Aug 6, 20254:44 PM ETMorgan Stanleyand 1 other13G7.10%18.6M sharesNewJun 30, 2025SEC
Apr 25, 202511:10 AM ETBlackRock, Inc.13G/A6.30%15.1M shares−1.10 ppfrom 7.40%Mar 31, 2025SEC
Feb 5, 20251:23 PM ETBlackRock, Inc.13G/A7.40%16.0M shares–Dec 31, 2024SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell IonQ, Inc. shares.

No Form 144 notices for IonQ, Inc. are on file.