Stock ownership · SEC 13F · Q4 2025

IONQ INC

Institutional ownership of IONQ INC (CUSIP 46222L108) - who holds it, how concentrated it is, and what moved last quarter.

$579K
Reported value
7
Institutions
100%
Top-5 share

The verdict

According to SEC Form 13F-HR filings in this corpus, IONQ INC ranks #753 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders. 7 institutions report $579K as of Q4 2025, with ownership heavily concentrated in a handful of holders.

7
institutions hold it
$579K
reported 13F value
100%
held by top 5
#753
of 775 by value

Based on long positions reported to the SEC as of Q4 2025; 13F omits shorts, options and non-US holdings.

According to SEC Form 13F-HR filings in this corpus, IONQ INC ranks #753 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders.

How 13F ownership is computed · All tracked stocks · Concentration rankings

SEC Form 13F-HR ownership desk

CUSIP 46222L108 · Q4 2025 $1M reported

VALUE-LIGHT · HOLDERS-FOCUS · CONC-DOM · PHOTO-FINISH · ACTIVITY-MID · BOOK-MID

  • VALUE-LIGHT #753/775
  • HOLDERS-FOCUS 7 filers
  • CONC-DOM 100% top-5
  • PHOTO-FINISH LUMEN TECHNOLOGIES
  • ACTIVITY-MID 5 new
  • BOOK-MID 7Q history

Photo-finish peer on reported value: LUMEN TECHNOLOGIES INC

Read with: Ownership concentration guide - IONQ INC's top-five holders account for 100% of reported value — read concentration before treating any single filer as a signal.

Reported-value neighbourhood · IONQ INC

Nearest tracked securities by aggregate 13F reported value, not a full corpus reprint.

SCOTTS MIRACLE-GRO · near$587,085LUMEN TECHNOLOGIES · near$585,272IONQ · this stock$579,088SELECT SECTOR SPDR TR · near$558,631EPR PPTYS · near$553,002
Aggregate reported institutional value ($)
Largest institutional holders of IONQ INC
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

Top 6 reported holders by value · Q4 2025

Institutional ownership over time

The number of institutions reporting a IONQ INC position has risen from 1 to 7 over the last 7 quarters of 13F filings.

0246810 Q1'24Q2'24Q4'24Q1'25Q2'25Q3'25Q4'25 7
Distinct 13F filers holding IONQ INC, by quarter

Top Institutional Holders

# Institution Shares Value Share of reported
1 Tempo Wealth, LLC 7,360 $330K 57.0%
2 Cross Staff Investments Inc 5,000 $224K 38.7%
3 Strategic Investment Solutions, Inc. /IL 250 $11K 1.9%
4 Banque Transatlantique SA 225 $10K 1.7%
5 TD Capital Management LLC 42 $2K 0.3%
6 Bell Investment Advisors, Inc 21 $943 0.2%
7 Pacer Advisors, Inc. 8 $359 0.1%

Investment Discretion

SEC Form 13F requires each institutional filer to report whether it exercises sole or shared discretion over a position. Among IONQ INC's reported holders for Q4 2025, by reported value:

Sole discretion (SOLE)
98.3%
Shared-defined discretion (DFND)
1.7%

Latest Quarter Activity · Q4 2025

Frequently Asked Questions

How many institutions hold IONQ INC?
IONQ INC is held by 7 institutional investors per the latest SEC Form 13F filings as of Q4 2025.
Where does IONQ INC sit among tracked securities?
According to SEC Form 13F-HR filings in this corpus, IONQ INC ranks #753 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders. The ordinal is recomputed live among securities with ≥5 reporting holders. See /methodology/#corpus-placement.
What is the total institutional value of IONQ INC?
Institutions report $579K of IONQ INC as of Q4 2025.
How concentrated is ownership of IONQ INC?
The top five institutional holders account for 100% of the reported institutional value in IONQ INC, making ownership heavily concentrated in a handful of holders.
Who is the largest institutional holder of IONQ INC?
Tempo Wealth, LLC is the largest reported holder of IONQ INC with $330K across 7,360 shares as of Q4 2025.

Nationwide stocks with similar institutional value or holder count

Two 13F-derived peer sets for IONQ INC: nearest aggregate reported value and nearest institutional holder count, not catalog browse links.

Similar reported value

Nearest stocks by aggregate 13F reported value ($579K here).

Similar holder count

Nearest stocks by number of disclosing 13F holders (7 here).

Source: U.S. Securities and Exchange Commission (SEC) - EDGAR Form 13F-HR institutional holdings filings · Q4 2025 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Short positions and most derivatives are not disclosed.

PlainFundData is rendered directly from SEC EDGAR Form 13F-HR institutional holdings filings, no number is typed in by an editor. Holder lists, concentration, and reported value on this page are aggregated live from those 13F-HR extracts. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-16.