IonQ, Inc IONQ

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IonQ, Inc. Common Stock · Company · NYSE

Announcement types: (default: consequential filings)
Results & current reports
Capital markets
Ownership & governance

USD closing-price chart (daily close from yfinance · Last year)

USD 41.94 → 34.68 · -17.3%
82.09054.34026.590 1,2,3 4,5 6 7,8,9 10 11 12 13 14 15,16 17 18,19,20,21 22,23 24,25 26 27 28 29 30,31 32,33 34 35,36 37 38 39 40,41 42 43 44 Jul 25Oct 25Jan 26Apr 26Jul 26

Numbered dotted lines mark the filtered filings under Announcement Events below.

Price & SEC Filing History 22 Jul 2025 — 23 Jul 2026 (Last year)

Daily NYSE prices are sourced from yfinance. Yellow highlighting marks an intraday rise or a gap up between adjacent trading sessions. SEC acceptance times are converted to US Eastern time: pre-market filings appear below that day’s OHLCV row; filings accepted after the 09:30 ET open appear above it. The SEC does not publish an exact first-public-availability timestamp, so acceptance time is the best available proxy.

No data yet
34.8900 35.9900 34.6550 34.6800 12,874,810
35.4600 36.0650 34.7000 35.5100 20,478,400
35.0500 36.3000 34.2100 34.2400 16,492,800
Weekend
Weekend
34.9900 35.9100 33.2900 34.7800 23,953,800
37.0000 37.2430 34.6710 35.1000 24,564,600
40.0000 40.0700 36.8600 37.5100 20,413,000
40.0400 40.4420 38.7200 39.2900 17,284,300
42.0700 42.1810 38.6200 38.8800 23,873,300
Weekend
Weekend
45.3200 45.4500 42.4000 42.8600 14,548,400
45.5000 46.0000 44.3700 44.7700 13,051,600
44.3600 46.2300 43.7200 45.0800 15,213,700
47.5400 47.9500 44.0240 45.3600 18,921,600
49.0400 51.3300 48.7900 48.8700 12,476,700
Weekend
Weekend
No trading
51.1100 54.4000 48.1800 49.1200 16,972,900
52.1750 54.7600 51.4000 51.4000 14,440,800
52.6950 54.8400 52.4020 53.2600 14,832,600
50.6200 54.2000 49.6500 53.8800 22,875,200
Weekend
Weekend
49.6500 52.4780 48.4900 49.3100 67,767,400
54.6250 55.0760 50.1600 50.5600 21,891,200
57.3500 57.3500 52.3600 53.6000 25,170,000
56.6100 61.4700 56.0000 57.8500 26,838,900
56.5800 61.9900 55.5300 58.3200 28,045,000
44 · 8-K Next filing day · accepted 18 Jun, 21:55 ET 8-K ↗
Weekend
Weekend
No trading
55.7900 56.6600 52.9210 56.5500 20,362,600
56.9000 57.7280 54.4550 54.6900 19,556,500
59.9500 60.8900 55.9100 56.0600 21,916,300
61.4000 63.5600 60.5900 61.1800 25,313,600
Weekend
Weekend
57.7000 60.2300 56.1600 57.8500 24,732,300
56.5400 59.4650 54.7500 57.9900 25,218,800
57.7400 60.7500 56.5000 56.6300 23,605,600
62.4000 63.9480 53.2650 56.6900 35,304,000
59.5400 64.9000 57.9600 62.8000 28,561,700
Weekend
Weekend
63.5100 63.7900 55.8400 56.7800 32,124,900
67.0500 69.4640 64.1800 65.6600 40,211,400
70.3250 73.6500 67.5100 68.2300 30,856,300
69.3500 72.6300 69.0900 71.4000 27,651,000
69.6450 72.4200 66.9700 69.2800 28,317,600
Weekend
Weekend
69.6400 72.1700 66.8000 72.0700 28,460,800
64.8700 71.4700 64.7200 70.1400 31,801,200
62.6700 66.8100 59.7100 65.4000 29,691,000
64.3000 65.0000 60.0900 63.6200 30,128,800
No trading
Weekend
Weekend
58.0000 65.8000 58.0000 63.6400 52,650,100
54.6100 61.1200 53.9300 58.8900 62,941,400
49.2500 52.7400 48.3500 52.4700 22,745,900
47.6400 49.4400 45.5100 48.4400 22,197,000
51.8100 52.2000 47.4800 49.3100 31,649,800
Weekend
Weekend
54.5000 54.7000 51.2850 51.9500 27,273,200
54.4000 58.1800 53.9100 57.4700 26,379,200
55.9400 56.1800 52.9400 55.2600 24,146,500
57.2500 59.1500 52.1700 55.8700 51,692,800
48.1400 58.5400 47.8900 56.8900 61,486,200
Weekend
Weekend
48.6850 49.4400 45.7200 49.2400 25,990,700
43 · 10-Q After-hours · 16:06 ET 10-Q ↗
50.0350 51.9000 46.2700 47.6800 42,874,600
42 · 8-K After-hours · 16:05 ET 8-K ↗
49.1000 53.4850 48.5700 52.5700 58,397,500
46.6100 48.3400 44.7900 48.0000 33,457,000
46.5300 49.1400 45.3100 45.7500 26,396,700
Weekend
Weekend
44.8550 46.3090 43.8000 46.2000 20,621,900
41 · DEFA14A After-hours · 16:38 ET DEFA14A ↗ 40 · DEF 14A After-hours · 16:30 ET DEF 14A ↗
41.9350 45.4800 41.4900 45.1200 23,258,800
42.6300 42.6300 39.7650 42.1100 24,594,100
42.5500 44.2700 42.2500 43.0800 21,447,700
42.1800 44.0700 41.1100 43.8400 22,968,700
Weekend
Weekend
39 · 8-K After-hours · 17:20 ET FORM 8-K ↗
44.3800 44.3900 41.2600 42.6900 20,671,100
46.6100 47.8400 41.9200 43.6300 35,984,300
47.2600 49.1300 46.5400 47.3600 34,667,700
48.6000 48.7300 45.7200 46.2800 38,384,100
45.3400 48.5650 45.1200 48.3200 47,873,500
Weekend
Weekend
44.0900 46.6900 43.6800 46.0900 48,967,100
44.5100 45.4300 40.8400 44.6800 79,286,200
38.3600 43.3400 37.4600 43.2500 96,973,000
31.7800 35.8750 31.0600 35.7600 68,012,600
28.2550 29.8400 27.8710 29.7600 15,259,800
Weekend
Weekend
28.2850 29.3700 28.1300 28.7900 13,036,500
28.7500 29.2500 27.8150 28.0800 16,356,800
30.6600 31.1000 28.5100 28.9900 20,132,500
28.7200 28.8800 27.2900 28.4900 19,722,700
29.3300 30.2960 28.7100 29.2400 11,775,700
Weekend
Weekend
No trading
26.8000 29.4900 26.7400 29.3000 15,521,800
29.6400 29.9100 27.5700 27.7900 19,072,900
38 · 424B3 After-hours · 17:12 ET 424B3 ↗
27.2000 29.1800 27.0550 28.8300 23,148,900
27.7900 28.1600 25.8900 26.5900 18,695,300
Weekend
Weekend
29.5500 29.6000 27.3750 27.5100 19,502,400
31.3950 31.6100 29.7100 29.8400 17,726,800
37 · 8-K After-hours · 17:25 ET 8-K ↗
33.3800 34.1800 31.6600 31.9600 15,634,000
32.3800 33.4600 31.8800 32.7000 13,518,700
31.6400 33.6300 31.2900 33.1100 19,150,800
Weekend
Weekend
31.8000 32.2500 30.5000 31.2000 17,191,400
31.5400 32.5500 30.7300 31.9000 16,994,300
33.0500 34.0000 32.3600 32.3800 16,185,000
33.3000 34.1500 33.0600 33.3100 19,488,400
33.5200 34.4100 32.3900 33.2900 19,347,200
Weekend
Weekend
33.5800 34.5800 32.8350 32.9800 15,353,600
33.9800 34.7150 33.0300 33.0300 22,093,100
35.2900 35.8900 33.5000 34.2700 29,303,700
36 · 8-K Next filing day · accepted 10 Mar, 21:10 ET 8-K ↗ 35 · 424B7 Next filing day · accepted 10 Mar, 21:09 ET 424B7 ↗
35.9500 36.9200 35.0300 35.1200 22,204,000
34.7700 36.0800 33.8100 35.8700 16,385,600
Weekend
Weekend
35.4100 37.4800 35.1000 35.7300 18,481,800
34 · 424B7 After-hours · 17:00 ET 424B7 ↗
36.6000 36.6800 34.3100 36.0200 21,173,500
37.6800 38.2400 36.5400 37.1300 47,410,200
36.6950 38.1200 35.2900 37.0500 19,852,600
36.4300 38.4400 36.4000 38.3400 16,563,500
Weekend
Weekend
33 · 8-K After-hours · 17:23 ET 8-K ↗ 32 · 424B7 After-hours · 17:15 ET 424B7 ↗
39.4200 39.5600 36.4510 38.3700 28,768,400
39.0500 41.9000 38.7500 40.8800 70,334,600
31 · 10-K After-hours · 16:11 ET 10-K ↗ 30 · 8-K After-hours · 16:05 ET 8-K ↗
32.1850 34.4000 31.8400 33.5900 26,860,100
31.0900 31.9600 30.1900 31.6200 15,049,400
31.0200 31.6730 30.1700 30.7800 14,580,100
Weekend
Weekend
32.6700 33.8800 31.3800 31.9000 15,804,300
32.7200 33.5800 31.9800 33.4300 13,722,100
33.3250 34.8850 32.3900 33.3400 13,374,800
33.4800 34.3180 31.8500 33.1800 13,735,200
No trading
Weekend
Weekend
32.3150 34.6500 30.8500 34.1100 21,567,100
33.7000 33.7000 30.8900 31.3000 18,115,200
36.0500 36.0600 33.0100 33.6100 16,057,000
35.1000 36.5700 34.8100 35.1900 13,807,900
34.6750 35.6400 33.6600 35.4800 16,620,800
Weekend
Weekend
31.9000 36.1050 31.3450 34.9900 32,508,100
33.9200 34.3800 29.9900 30.4300 33,123,400
38.5000 38.5500 33.6300 35.3400 32,378,000
39.6100 39.8200 36.6300 38.4700 19,966,100
40.6300 40.7260 37.7200 38.5600 21,598,100
Weekend
Weekend
29 · 8-K After-hours · 17:00 ET 8-K ↗
43.4000 43.4900 38.9150 39.9800 23,741,900
45.8600 45.8600 42.1600 43.2400 22,225,500
46.2250 46.9000 45.0000 45.8000 18,945,000
44.5600 46.4400 43.0350 45.4900 25,181,300
48.3200 50.5900 42.8400 43.3700 39,551,400
28 · 8-K Pre-market · 06:14 ET 8-K ↗
Weekend
Weekend
49.2400 49.5100 46.6000 47.2500 14,734,200
49.1400 50.1800 47.9400 49.3300 17,661,900
51.7100 52.6600 45.6900 48.3300 31,821,400
49.2800 54.2400 48.5600 50.6600 24,568,200
No trading
Weekend
Weekend
48.0900 51.8900 47.5200 50.8000 23,266,200
51.2800 51.5800 47.5400 47.5600 21,022,800
48.5400 50.9200 47.3300 50.8800 16,602,100
51.1600 51.9150 47.9800 48.9400 14,487,700
48.5900 51.0200 47.7800 50.9500 16,782,300
Weekend
Weekend
51.4500 52.6160 49.2820 49.4500 13,686,000
49.6200 52.5100 48.5000 50.4500 16,618,400
50.0000 51.8600 49.3200 49.7800 14,297,200
48.7700 50.7700 47.2000 50.7600 16,937,500
47.6500 50.3200 46.5200 48.7100 20,311,300
Weekend
Weekend
46.0100 47.0900 43.8000 46.7700 17,122,100
No trading
45.6700 46.4380 44.6800 44.8700 11,437,000
46.4100 46.8300 45.0950 45.3100 13,552,200
45.4600 46.7600 44.6600 45.2500 17,259,800
Weekend
Weekend
49.5900 49.6800 45.7600 46.0000 19,679,600
No trading
51.7000 51.8800 48.7300 49.8200 10,354,100
52.7250 54.5400 51.1500 51.3900 15,263,300
49.8800 55.6000 49.6700 53.8600 28,897,200
Weekend
Weekend
47.1400 49.4400 46.8800 48.4800 30,432,900
48.1300 48.7160 46.0400 46.4400 16,218,500
50.2200 52.1510 45.7600 45.8500 20,237,900
46.9400 49.9000 46.9000 49.6700 16,642,300
50.7800 51.0000 45.1800 46.0700 22,526,900
Weekend
Weekend
52.0800 53.0000 49.0000 50.3500 14,308,200
51.9000 52.8800 49.0620 52.5500 19,063,200
53.2000 53.6080 51.2500 51.6700 14,899,800
53.8050 55.6600 52.9300 54.4400 12,985,500
53.9900 54.8200 51.4600 54.3600 16,359,700
Weekend
Weekend
27 · 8-K/A After-hours · 17:25 ET 8-K/A ↗
54.0000 54.2600 51.1300 52.6900 17,478,700
48.6700 55.3200 48.3100 54.7600 33,399,900
46.9200 48.9040 45.3100 48.6500 17,183,100
47.5700 49.6800 46.8250 46.9300 12,670,200
48.6400 48.8700 46.6120 47.1200 13,654,200
Weekend
Weekend
47.7000 49.8500 47.5700 49.3000 10,307,400
No trading
47.4000 48.2500 46.0100 46.9000 12,482,000
46.5700 47.9100 44.2200 47.0600 18,007,200
42.7500 47.3350 42.4900 46.7600 40,440,600
Weekend
Weekend
26 · 8-K After-hours · 17:20 ET 8-K ↗
42.5600 42.7600 38.0000 41.7100 29,301,400
48.5700 49.5700 40.6900 41.0000 33,669,500
49.1500 50.6800 47.3300 47.8800 19,458,100
47.2000 50.2850 47.2000 49.1200 20,780,000
46.7300 49.2500 45.9400 47.7900 22,630,800
Weekend
Weekend
42.9800 48.7800 42.8200 47.1800 29,451,100
49.4400 49.9000 44.3000 45.4000 37,229,500
54.7600 55.6000 49.8900 50.7100 23,096,500
54.5700 56.0300 53.7200 54.4200 17,370,000
58.5000 59.0200 54.8200 55.3700 26,986,800
25 · 8-K Pre-market · 08:05 ET FORM 8-K ↗ 24 · 424B7 Pre-market · 08:00 ET 424B7 ↗
Weekend
Weekend
54.6200 59.3000 51.0600 59.2700 32,829,800
57.2800 58.9900 54.1000 57.4300 35,400,200
23 · 10-Q After-hours · 16:11 ET 10-Q ↗ 22 · 8-K After-hours · 16:05 ET 8-K ↗
55.0000 56.4100 53.1000 55.4100 21,843,100
55.7700 57.1600 53.0800 53.3800 22,044,300
62.3500 62.6900 56.5600 58.4000 23,850,500
Weekend
Weekend
61.0000 62.9700 59.9600 62.3800 19,319,900
59.3900 61.8400 58.2000 60.1700 16,098,700
58.8500 62.1000 57.9200 61.1100 25,520,900
62.8000 64.5700 57.0700 57.1500 35,730,100
63.0000 65.5000 62.2800 62.8000 25,766,700
Weekend
Weekend
62.0100 64.1100 59.9200 60.3000 27,501,700
61.1000 62.9300 57.0000 59.3700 65,822,800
58.2000 59.3500 52.2700 55.4500 39,326,800
60.4350 60.9000 57.2100 59.5000 26,167,000
65.3100 65.5000 58.6900 59.9400 28,516,100
Weekend
Weekend
65.4020 65.7200 61.2060 62.9400 33,423,300
21 · 8-K Next filing day · accepted 16 Oct, 20:59 ET FORM 8-K ↗ 20 · 424B7 Next filing day · accepted 16 Oct, 20:58 ET 424B7 ↗ 19 · 8-K Next filing day · accepted 16 Oct, 20:56 ET FORM 8-K ↗ 18 · 424B7 Next filing day · accepted 16 Oct, 20:53 ET 424B7 ↗
73.8700 73.8700 65.5000 65.5900 35,988,400
79.9400 80.2300 70.8000 72.4100 31,348,000
79.8500 81.0800 75.9200 77.5500 34,459,600
17 · 8-K Pre-market · 09:19 ET 8-K ↗
74.1100 84.6400 72.8000 82.0900 49,458,800
Weekend
Weekend
77.0000 77.3800 70.6450 70.6500 41,146,800
16 · 424B5 Pre-market · 08:42 ET 424B5 ↗ 15 · 424B5 Pre-market · 08:35 ET 424B5 ↗
74.8700 78.0000 73.6500 77.5000 25,016,200
78.9500 82.4100 72.5990 74.3000 40,788,200
80.9600 82.9700 75.4800 79.2300 47,589,100
14 · 8-K Pre-market · 08:19 ET FORM 8-K ↗
72.0000 79.2300 71.8800 78.9900 36,301,000
Weekend
Weekend
70.5900 73.7600 68.3500 73.2800 37,681,800
64.8100 69.6000 64.4100 69.6000 37,383,600
61.3850 64.8500 60.1400 63.0900 33,912,400
63.5900 65.0000 60.5900 61.5000 22,600,600
68.3800 68.8800 63.2200 64.2600 27,595,300
13 · 8-K Pre-market · 07:31 ET FORM 8-K ↗
Weekend
Weekend
68.4100 70.4200 65.3300 67.2800 32,156,900
71.1600 72.2900 66.9100 69.4300 44,799,700
75.2500 75.9500 71.0100 73.8600 33,075,600
74.0800 76.1290 71.4500 75.1400 40,011,900
68.1100 73.1700 66.1500 71.9400 35,675,500
Weekend
Weekend
65.9800 71.3000 65.6400 70.4100 50,959,400
68.5700 70.4300 65.4200 66.8100 45,892,900
12 · 8-K/A Pre-market · 06:02 ET 8-K/A ↗
63.3100 66.3900 61.0800 65.4400 49,629,900
11 · 8-K Pre-market · 07:23 ET 8-K ↗
58.9800 62.8500 57.1310 62.2600 30,636,600
56.8800 59.8900 55.9500 59.1100 34,677,000
Weekend
Weekend
47.3000 56.0700 47.1500 55.6100 68,818,800
44.2000 47.2300 43.3800 47.0500 21,599,100
44.3100 45.1800 43.5600 43.8600 14,430,000
41.3900 44.2600 41.0450 44.0000 17,694,900
42.0900 42.5900 40.3800 41.0100 10,501,700
Weekend
Weekend
42.4600 42.7300 40.5100 41.8000 11,508,900
41.2300 43.0300 40.7900 42.1100 13,213,900
10 · 8-K Pre-market · 08:27 ET FORM 8-K ↗
42.6450 43.2100 40.5800 40.9700 10,369,800
41.0350 43.0500 40.2200 42.9900 13,787,100
No trading
Weekend
Weekend
42.5500 43.2700 41.8100 42.7400 11,540,600
9 · 8-K After-hours · 16:13 ET 8-K ↗ 8 · 424B7 After-hours · 16:05 ET 424B7 ↗
41.5500 43.7300 41.4500 43.3000 16,109,100
7 · 8-K Pre-market · 07:07 ET FORM 8-K ↗
41.0200 42.6700 40.7700 41.4200 17,335,700
38.8500 40.9200 38.7100 40.7500 13,548,900
39.7000 39.8200 38.5300 38.6800 12,158,700
Weekend
Weekend
37.1000 39.9200 36.6500 39.7800 15,199,400
37.2500 37.3770 36.4500 37.1700 10,121,000
37.3800 37.4100 34.7700 36.7900 16,401,300
40.2200 40.2900 36.5850 36.8000 18,738,400
40.0000 40.5000 39.0100 40.2300 8,204,300
Weekend
Weekend
6 · 8-K After-hours · 16:37 ET 8-K ↗
40.7800 40.8290 39.4200 40.2300 10,334,800
40.5100 41.1200 39.2800 41.0300 16,638,200
43.2300 43.5000 40.7500 41.2100 20,702,300
44.6500 44.9700 42.6300 43.0000 20,775,300
5 · 424B7 After-hours · 16:40 ET 424B7 ↗ 4 · 8-K After-hours · 16:12 ET 8-K ↗
41.9500 46.8200 41.4100 44.9400 35,598,800
Weekend
Weekend
40.5100 42.3690 40.4100 41.8500 20,441,500
38.9800 41.5780 38.6100 40.4900 27,970,400
3 · 8-K After-hours · 16:27 ET 8-K ↗ 2 · 10-Q After-hours · 16:16 ET 10-Q ↗ 1 · 8-K After-hours · 16:10 ET 8-K ↗
43.6000 43.6000 40.7800 41.2300 23,969,600
40.6400 42.4400 40.1300 42.0200 22,060,500
38.9900 40.6960 38.4200 39.8600 16,131,400
Weekend
Weekend
38.9400 39.1930 37.2500 38.1200 20,028,200
41.1200 42.2750 39.6200 39.8700 21,572,700
40.9750 41.8600 39.2300 39.8800 17,861,400
43.0100 44.2100 40.3500 40.5300 21,070,300
43.9200 44.5300 41.4350 42.3400 16,976,700
Weekend
Weekend
44.2400 44.2500 42.9400 43.1700 13,392,000
42.8900 44.6400 42.2500 43.9000 18,006,300
42.7400 43.5400 41.7850 43.2800 14,455,100
44.5200 44.5400 41.2900 41.9400 18,995,700

Announcement Events

Each title opens the filing on the SEC website. Registered users can summarise the filing and up to seven relevant exhibits linked within the same SEC submission.