TOP TIERMARKET NEWSWIRE
Movers explained · 2026-08-28

Archived explainer. For the current picture see today's IONQ page.

Why Is IONQ INC (IONQ) Stock Down Today?

By the Top Tier Newswire AI Desk · August 28, 2026 at 9:52 AM ET · reviewed against 4 wire stories

IONQ INC (IONQ) is down -4.86% in the latest session. Our newswire has captured 4 stories on IONQ across 3 sources in the last 36 hours, with AI sentiment reading mixed (avg 51/100).

Public view, delayed 4h. Every headline, price and sentiment read below — and this write-up itself — reaches Pro subscribers live. Public readers see it once it clears the delay.

IONQ stock fell 4.86% to $40.40 in early trading as the broader quantum computing sector faced renewed skepticism. The decline came despite recent developments from the company and a broader industry narrative that has historically seen sharp volatility. The move appears to reflect a sector-wide pullback rather than a specific negative event tied to IonQ.

What Happened

The stock opened at $41.92, down 1.3% from the prior close, and quickly declined to a session low of $40.36 before stabilizing near $40.41. Volume was 1.6 million shares, below the 3-month average. Recent SEC filings show that directors Timothy E. Baxter and Eric R. Ball each received 5,540 restricted stock units on August 24, but no open-market transactions were reported. Over the last 90 days, insiders have sold a total of $513,000 worth of shares, with the most recent filing on June 22, 2026. Meanwhile, the stock has fallen 5.0% over the past eight sessions, trading within a 52-week range of $25.89 to $84.64.

What The Data Shows

The stock is currently trading near its 52-week low, having printed 10 fresh 52-week lows on August 28. The company has a market cap of $15.9 billion and remains unprofitable, with an earnings per share (EPS) of -3.99 over the trailing twelve months. Revenue, however, has grown by 370.6% year to date. The stock’s beta of 3.30 highlights its volatility relative to the broader market. Recent insider activity has shown no open-market purchases, with three sales reported in the last 90 days.

What To Watch

Investors should monitor the company’s ongoing collaborations, such as its integration into Canada’s FABrIC Quantum Computing Sandbox and its Skyloom project with the U.S. Space Development Agency. No earnings date was provided in the data, but coverage breadth and sentiment shifts in the quantum computing sector will be key to the stock’s near-term direction.

AI-assisted analysis composed exclusively from headlines and data on the Top Tier newswire. Public view is delayed 4 hours from real time. Not financial advice.

IONQ by the numbers

Last: $40.40Session: -4.86%7 sessions: -9.59%Coverage: 4 stories / 3 sourcesAI sentiment: 51/100 (mixed)Mkt cap: $15.9B52w: $25.89 to $84.64
IONQ · Aug 28 session (5-min) · -7.25% vs prior close · updated 8:44 PM ET
$38.43$40.56$42.69prev close $42.46$39.387:00 AM10:13 AM1:27 PM4:41 PM7:55 PM7:00 AM · $42.007:05 AM · $41.947:10 AM · $41.897:15 AM · $41.907:20 AM · $41.967:25 AM · $41.957:30 AM · $41.947:35 AM · $41.887:40 AM · $41.877:45 AM · $41.857:50 AM · $41.847:55 AM · $41.838:00 AM · $41.798:05 AM · $41.748:10 AM · $41.758:15 AM · $41.908:20 AM · $42.018:25 AM · $41.978:30 AM · $41.838:35 AM · $41.858:40 AM · $41.998:45 AM · $42.038:50 AM · $41.918:55 AM · $41.909:00 AM · $42.029:05 AM · $42.009:10 AM · $41.999:15 AM · $41.829:20 AM · $41.809:25 AM · $41.609:30 AM · $41.089:35 AM · $40.999:40 AM · $40.809:45 AM · $40.499:50 AM · $40.489:55 AM · $40.5010:00 AM · $40.3710:05 AM · $39.7910:10 AM · $39.6510:15 AM · $39.8010:20 AM · $39.9210:25 AM · $39.7610:30 AM · $40.0610:35 AM · $39.9910:40 AM · $40.0110:45 AM · $39.9210:50 AM · $39.9010:55 AM · $40.0311:00 AM · $39.8511:05 AM · $39.6511:10 AM · $39.6611:15 AM · $39.6911:20 AM · $39.8411:25 AM · $39.8311:30 AM · $39.6911:35 AM · $39.5611:40 AM · $39.4911:45 AM · $39.3411:50 AM · $39.3311:55 AM · $39.1712:00 PM · $38.9712:05 PM · $39.0912:10 PM · $39.0012:15 PM · $38.8812:20 PM · $38.8112:25 PM · $38.9312:30 PM · $39.0412:35 PM · $39.0812:40 PM · $39.0212:45 PM · $39.1512:50 PM · $39.0912:55 PM · $39.081:00 PM · $39.001:05 PM · $38.961:10 PM · $39.001:15 PM · $38.931:20 PM · $38.861:25 PM · $38.861:30 PM · $38.871:35 PM · $38.741:40 PM · $38.791:45 PM · $38.851:50 PM · $38.781:55 PM · $38.822:00 PM · $38.712:05 PM · $38.692:10 PM · $38.672:15 PM · $38.662:20 PM · $38.762:25 PM · $38.812:30 PM · $38.942:35 PM · $38.832:40 PM · $38.912:45 PM · $38.842:50 PM · $38.802:55 PM · $38.943:00 PM · $38.983:05 PM · $38.983:10 PM · $39.053:15 PM · $38.863:20 PM · $38.833:25 PM · $38.973:30 PM · $38.813:35 PM · $38.913:40 PM · $39.023:45 PM · $39.033:50 PM · $39.033:55 PM · $39.174:00 PM · $39.314:05 PM · $39.374:10 PM · $39.344:15 PM · $39.304:20 PM · $39.304:25 PM · $39.314:30 PM · $39.294:35 PM · $39.314:40 PM · $39.314:45 PM · $39.374:50 PM · $39.354:55 PM · $39.355:00 PM · $39.205:05 PM · $39.355:10 PM · $39.355:15 PM · $39.365:20 PM · $39.305:25 PM · $39.305:30 PM · $39.335:35 PM · $39.335:40 PM · $39.335:45 PM · $39.335:50 PM · $39.385:55 PM · $39.356:00 PM · $39.386:05 PM · $39.396:10 PM · $39.406:15 PM · $39.426:20 PM · $39.456:25 PM · $39.436:30 PM · $39.436:35 PM · $39.456:40 PM · $39.446:45 PM · $39.446:50 PM · $39.406:55 PM · $39.437:00 PM · $39.447:05 PM · $39.447:10 PM · $39.447:15 PM · $39.437:20 PM · $39.437:25 PM · $39.427:30 PM · $39.437:35 PM · $39.407:40 PM · $39.437:45 PM · $39.387:50 PM · $39.387:55 PM · $39.38
AI sentiment, last 36h · averaged over 4 stories · 51/100 neutral
AI sentiment 51/100 (neutral)0 · bearish50bullish · 100

The headlines behind the move

Story flow · 2 stories on the wire, last 36h · hover or tap a dot for the headline
36h ago24h ago12h agopublishTipRanks · sentiment 50 · IonQ Insider Filings Show 5,540-Share Awards, Not Open-Market BuysTipRanks · 50IonQ Insider Filings Show 5,540-Share Awards, Not Open-Market BuysYahoo Top · sentiment 38 · Why Is IonQ Stock Sinking?Yahoo Top · 38Why Is IonQ Stock Sinking?
16d agoYahoo TopBEARISH 38General

Why Is IonQ Stock Sinking?

Rigetti fell nearly as far over the same stretch while IBM and Honeywell held up far better, a split narrow enough to locate the move in how the quantum story is priced, not in anything IonQ reported.

17d agoTipRanksNEUTRAL 50General

IonQ Insider Filings Show 5,540-Share Awards, Not Open-Market Buys

IonQ, Inc. ($IONQ) directors Timothy E. Baxter and Eric R. Ball each received 5,540 restricted stock units on August 24, according to new SEC filings. The awards we...

17d agoYahoo TopBULLISH 63General

Quantum Computing Is Raising the Stakes for Cybersecurity: 5 Stocks to Watch

As quantum computing threatens current encryption, IBM, Cloudflare, Arqit, IonQ, Rigetti and D-Wave stand to benefit from mandated post-quantum cybersecurity spending through 2030.

18d agoYahoo FinanceNEUTRAL 54General

Quantum Stocks Looked Like Nvidia in 2019. Then They Belly-Flopped 50%.

Quantum stocks crashed around 50%, but IonQ raised guidance while Rigetti and D-Wave held key strengths. The selloff may have created a new opportunity.

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More on IONQ: full news and sentiment history. Sentiment scores are AI-derived research signals, not financial advice.

Earlier IONQ move explainers: 2026-09-09 · 2026-09-08 · 2026-08-28 · 2026-08-25 · 2026-08-24 · 2026-08-21 · 2026-08-20 · 2026-08-04 · 2026-08-03 · 2026-07-28 · 2026-07-27 · 2026-07-14