FSLY · Fastly, Inc.
$23.29
+0.29 (+1.26%)
At close · Aug 26
View the 10-Q filed May 6, 2026
Customer concentration
— top 10 customers 32% of revenue
10 customers — 32% of revenue (trailing 12 month periods ended March 31, 2026)
“Our 10 largest customers generated an aggregate of 32% of our revenue for each of the trailing 12 month periods ended March 31, 2026 and 2025.”
Key customers — 10% of revenue (trailing 12 month period ended March 31, 2026)
“Affiliated customers that are business units of a single company generated an aggregate of 10% and 9% of our revenue for the trailing 12 month periods ended March 31, 2026 and 2025, respectively.”
Market Cap
$3.66B
Shares
159.30M
Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.
Short Volume
| Date | Short Volume | Short Exempt | Total Volume | Short % |
|---|---|---|---|---|
| 2026-08-26 | 712,607 | 200 | 1,021,765 | 69.7% |
| 2026-08-25 | 1,337,010 | 4,090 | 1,698,629 | 78.7% |
| 2026-08-24 | 955,602 | 462 | 1,478,183 | 64.6% |
| 2026-08-21 | 1,219,274 | 650 | 2,093,339 | 58.2% |
| 2026-08-20 | 1,233,647 | 58,681 | 2,521,778 | 48.9% |
| 2026-08-19 | 1,405,676 | 31,217 | 2,689,830 | 52.3% |
| 2026-08-18 | 1,091,521 | 13,595 | 2,015,432 | 54.2% |
| 2026-08-17 | 1,004,868 | 678 | 1,595,026 | 63.0% |
| 2026-08-14 | 917,127 | 3,579 | 1,533,948 | 59.8% |
| 2026-08-13 | 1,164,269 | 60,299 | 1,838,436 | 63.3% |
| 2026-08-12 | 1,659,504 | 6,681 | 2,684,244 | 61.8% |
| 2026-08-11 | 1,944,628 | 9,498 | 3,218,524 | 60.4% |
| 2026-08-10 | 4,318,686 | 44,160 | 6,738,751 | 64.1% |
| 2026-08-07 | 1,758,298 | 104,974 | 3,003,646 | 58.5% |
| 2026-08-06 | 2,150,317 | 167,952 | 4,242,184 | 50.7% |
| 2026-08-05 | 3,609,392 | 10,858 | 5,502,742 | 65.6% |
| 2026-08-04 | 1,314,900 | 13 | 2,201,625 | 59.7% |
| 2026-08-03 | 1,559,473 | 1,485 | 2,680,095 | 58.2% |
| 2026-07-31 | 1,199,240 | 0 | 2,271,569 | 52.8% |
| 2026-07-30 | 641,224 | 2,488 | 1,350,021 | 47.5% |
| 2026-07-29 | 656,735 | 4,492 | 1,993,348 | 32.9% |
| 2026-07-28 | 755,990 | 16,986 | 1,624,773 | 46.5% |
| 2026-07-27 | 643,458 | 1,437 | 1,176,734 | 54.7% |
| 2026-07-24 | 995,072 | 0 | 1,711,739 | 58.1% |
| 2026-07-23 | 671,897 | 3,514 | 1,144,503 | 58.7% |
| 2026-07-22 | 815,596 | 213 | 1,398,203 | 58.3% |
| 2026-07-21 | 866,514 | 2,697 | 1,899,074 | 45.6% |
| 2026-07-20 | 641,397 | 2,663 | 1,400,118 | 45.8% |
| 2026-07-17 | 1,867,209 | 1,672 | 3,280,653 | 56.9% |
| 2026-07-16 | 1,122,933 | 16,949 | 2,232,767 | 50.3% |
| 2026-07-15 | 952,202 | 10,188 | 1,673,682 | 56.9% |
| 2026-07-14 | 948,684 | 15,927 | 1,525,301 | 62.2% |
| 2026-07-13 | 977,601 | 732 | 2,443,182 | 40.0% |
| 2026-07-10 | 599,345 | 11,974 | 1,139,400 | 52.6% |
| 2026-07-09 | 1,253,311 | 14,195 | 1,971,916 | 63.6% |
| 2026-07-08 | 1,200,104 | 3,714 | 1,988,998 | 60.3% |
| 2026-07-07 | 818,680 | 1,831 | 1,471,148 | 55.6% |
| 2026-07-06 | 564,234 | 2,683 | 976,131 | 57.8% |
| 2026-07-02 | 549,007 | 6,061 | 1,124,982 | 48.8% |
| 2026-07-01 | 548,743 | 3,204 | 1,092,045 | 50.2% |
| 2026-06-30 | 506,565 | 1,860 | 983,146 | 51.5% |
| 2026-06-29 | 1,018,490 | 15,406 | 2,438,621 | 41.8% |
| 2026-06-26 | 671,646 | 22 | 1,166,914 | 57.6% |
| 2026-06-25 | 475,668 | 2,006 | 968,189 | 49.1% |
| 2026-06-24 | 1,000,027 | 1,165 | 2,050,845 | 48.8% |
| 2026-06-23 | 1,240,856 | 1,372 | 2,564,585 | 48.4% |
| 2026-06-22 | 724,663 | 728 | 1,417,114 | 51.1% |
| 2026-06-18 | 715,230 | 9 | 1,612,893 | 44.3% |
| 2026-06-17 | 874,293 | 1,036 | 1,879,314 | 46.5% |
| 2026-06-16 | 1,247,551 | 12,267 | 2,204,325 | 56.6% |
Showing 1–50 of 64 days
Key facts
CIK
1517413
CUSIP
31188V100
13F (30d)
247 filings
243 filers
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