This list ranks NYSE and Nasdaq stocks that went public within the last 12 months by their gain since the first-day close; the top 100 are shown. Many of the market's biggest winners start as young companies that keep rising after their IPO, which is why growth investors such as William O'Neil watch new issues closely. Gains are measured from the first-day close, not from the IPO offer price.
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| Symbol | Name | Industry | Sector | Exchange | Cap | Cap, mln | Last | Change | Change, % | Volume | Days_since_ipo | Since_first_close_pct |
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| Biotechnology | Healthcare | NASDAQ | Large | 16,534 |
251.27 |
-1.73 | -0.68 | 386,641 |
193.00 |
1,234.41 |
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| Biotechnology | Healthcare | NYSE | Mid | 6,009.24 |
139.69 |
-4.16 | -2.89 | 464,760 |
267.00 |
270.04 |
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| Capital Markets | Financial Services | NASDAQ | Mid | 3,330.24 |
11.01 |
-1.28 | -10.41 | 30,663,112 |
330.00 |
182.31 |
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| Personal Services | Consumer Cyclical | NYSE | Small | 1,215.32 |
65.55 |
0.68 | 1.05 | 382,133 |
316.00 |
178.94 |
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| Oil & Gas Refining & Marketing | Energy | NASDAQ | Micro | 109.94 |
24.17 |
5.28 | 27.95 | 11,051,349 |
21.00 |
177.82 |
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| Insurance Brokers | Financial Services | NASDAQ | Mid | 2,819.66 |
43.39 |
-0.23 | -0.53 | 1,760,734 |
273.00 |
157.51 |
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| Biotechnology | Healthcare | NASDAQ | Small | 1,921.06 |
45.08 |
-0.15 | -0.33 | 431,525 |
207.00 |
142.37 |
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| Capital Markets | Financial Services | NASDAQ | Micro | 229.48 |
8.43 |
-1.45 | -14.68 | 1,133,554 |
126.00 |
127.84 |
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| Other Industrial Metals & Mining | Basic Materials | NYSE | Small | 1,188.07 |
11.24 |
-0.76 | -6.33 | 92,873 |
93.00 |
119.10 |
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| Medical Care Facilities | Healthcare | NASDAQ | Micro | 91.82 |
21.09 |
1.03 | 5.13 | 158,558 |
330.00 |
105.76 |
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| Waste Management | Industrials | NYSE | Small | 519.26 |
18.42 |
-0.56 | -2.95 | 286,960 |
156.00 |
104.89 |
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| | | NYSE | Micro | 1.19 |
39.17 |
-1.45 | -3.57 | 1,200 |
324.00 |
100.67 |
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| Asset Management | Financial Services | NYSE | Large | 18,264 |
45.66 |
-3.49 | -7.1 | 699,872 |
184.00 |
89.70 |
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| Banks - Regional | Financial Services | NASDAQ | Mid | 8,538.76 |
35.92 |
0.06 | 0.17 | 1,024,643 |
342.00 |
58.38 |
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| Biotechnology | Healthcare | NASDAQ | Small | 300.82 |
20.25 |
0.33 | 1.66 | 45,083 |
79.00 |
55.77 |
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| Oil & Gas Midstream | Energy | NYSE | Mid | 3,668.54 |
71.21 |
-1.13 | -1.56 | 319,518 |
357.00 |
49.92 |
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| Auto Parts | Consumer Cyclical | NYSE | Mid | 2,908.5 |
41.06 |
-1.26 | -2.98 | 532,250 |
217.00 |
47.80 |
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| Software - Infrastructure | Technology | NASDAQ | Small | 809.58 |
14.04 |
-1.28 | -8.36 | 82,707 |
224.00 |
42.54 |
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| Medical Devices | Healthcare | NASDAQ | Mid | 2,387.11 |
30.60 |
-3.44 | -10.11 | 739,941 |
196.00 |
39.09 |
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| Banks - Regional | Financial Services | NASDAQ | Micro | 139.36 |
18.80 |
-0.18 | -0.95 | 16,206 |
329.00 |
34.57 |
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| Packaged Foods | Consumer Defensive | NYSE | Large | 11,998 |
19.87 |
1 | 5.3 | 1,167,430 |
325.00 |
33.18 |
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| Aerospace & Defense | Industrials | NASDAQ | Large | 21,438 |
50.82 |
-4.11 | -7.48 | 1,114,386 |
197.00 |
31.15 |
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| Software - Application | Technology | NASDAQ | Mid | 6,796.71 |
26.10 |
-0.53 | -1.99 | 2,442,090 |
365.00 |
30.50 |
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| Aerospace & Defense | Industrials | NASDAQ | Small | 710.92 |
23.19 |
-0.89 | -3.7 | 326,228 |
190.00 |
29.48 |
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| 66 matches |
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| Data as of Oct 30, 2026, updated intraday |
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