Companies, monthly, on the fixed panel of sites crawled since 2020of 54,527,857 in the indexlanding 12 Sept 2026
265,120 at Sept 26; 65,519 twelve months earlier, +199,601, +304.6% on the fixed panel; the series starts January 2021 because the panel is anchored at 31 Dec 2020
| Month | Companies | Observed on the panel |
|---|---|---|
| 2021-01 | 0 | 0 |
| 2021-02 | 0 | 0 |
| 2021-03 | 0 | 0 |
| 2021-04 | 0 | 0 |
| 2021-05 | 0 | 0 |
| 2021-06 | 0 | 0 |
| 2021-07 | 0 | 0 |
| 2021-08 | withheld | 0 |
| 2021-09 | withheld | 0 |
| 2021-10 | withheld | 0 |
| 2021-11 | withheld | 0 |
| 2021-12 | withheld | 0 |
| 2022-01 | withheld | 0 |
| 2022-02 | withheld | 0 |
| 2022-03 | withheld | 0 |
| 2022-04 | withheld | 0 |
| 2022-05 | withheld | 0 |
| 2022-06 | withheld | 0 |
| 2022-07 | withheld | 0 |
| 2022-08 | withheld | 0 |
| 2022-09 | withheld | 0 |
| 2022-10 | withheld | 0 |
| 2022-11 | withheld | 0 |
| 2022-12 | withheld | 0 |
| 2023-01 | withheld | 0 |
| 2023-02 | withheld | 0 |
| 2023-03 | withheld | 0 |
| 2023-04 | 9,530 | 101 |
| 2023-05 | 12,711 | 135 |
| 2023-06 | 15,892 | 169 |
| 2023-07 | 19,074 | 202 |
| 2023-08 | 22,255 | 236 |
| 2023-09 | 25,437 | 270 |
| 2023-10 | 28,618 | 304 |
| 2023-11 | 31,799 | 338 |
| 2023-12 | 34,981 | 371 |
| 2024-01 | 38,162 | 405 |
| 2024-02 | 41,344 | 439 |
| 2024-03 | 45,844 | 487 |
| 2024-04 | 49,605 | 527 |
| 2024-05 | 44,025 | 467 |
| 2024-06 | 44,619 | 474 |
| 2024-07 | 45,199 | 480 |
| 2024-08 | 45,800 | 486 |
| 2024-09 | 47,359 | 503 |
| 2024-10 | 48,938 | 519 |
| 2024-11 | 50,504 | 536 |
| 2024-12 | 51,924 | 551 |
| 2025-01 | 54,395 | 577 |
| 2025-02 | 56,461 | 599 |
| 2025-03 | 58,526 | 621 |
| 2025-04 | 59,780 | 635 |
| 2025-05 | 60,642 | 644 |
| 2025-06 | 62,563 | 664 |
| 2025-07 | 63,918 | 678 |
| 2025-08 | 65,229 | 692 |
| 2025-09 | 65,519 | 695 |
| 2025-10 | 64,853 | 688 |
| 2025-11 | 64,164 | 681 |
| 2025-12 | 63,490 | 674 |
| 2026-01 | 64,773 | 688 |
| 2026-02 | 111,515 | 1,184 |
| 2026-03 | 174,353 | 1,851 |
| 2026-04 | 183,183 | 1,944 |
| 2026-05 | 193,019 | 2,049 |
| 2026-06 | 206,291 | 2,190 |
| 2026-07 | 220,985 | 2,346 |
| 2026-08 | 240,247 | 2,550 |
| 2026-09 | 265,120 | 2,814 |
Shares of the same 265,120each row a different wholelanding 12 Sept 2026
Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, 33Across is rank 1 of 19 technologies in Ad exchanges.
Open as a segment
265,120 companies; add a country, a sector or a band on the segment page. Counting is free.
As recorded in the cataloguetaxonomy release tax-2026.10last discovered 10 Sept 2026
Programmatic advertising exchange connecting publishers and advertisers.
33Across operates a programmatic ad exchange and related advertising solutions for publishers and advertisers. It provides supply, demand and identity capabilities for buying and selling ad inventory.
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