GSK
GSK plcCompany with tickers: GSK, GLAXF
CIK
1131399
CUSIP
37733W204
Shares Outstanding
2,004,414,458
13F Activity (30d)
319 filings
306 filers
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-05-04 | 3,594,218 | 1,875,023 | 5,469,241 | 36.9% |
| 2026-04-27 | 6,729,992 | 3,923,356 | 10,653,348 | 48.8% |
| 2026-04-20 | 3,927,406 | 2,752,901 | 6,680,307 | 41.4% |
| 2026-04-13 | 3,056,737 | 2,418,597 | 5,475,334 | 37.5% |
| 2026-04-06 | 3,435,296 | 2,605,506 | 6,040,802 | 35.1% |
| 2026-03-30 | 3,225,066 | 2,972,424 | 6,197,490 | 32.6% |
| 2026-03-23 | 3,774,108 | 4,606,250 | 8,380,358 | 34.9% |
| 2026-03-16 | 4,180,967 | 2,859,677 | 7,040,644 | 33.8% |
| 2026-03-09 | 5,089,344 | 5,590,127 | 10,679,471 | 40.0% |
| 2026-03-02 | 4,667,521 | 3,542,416 | 8,209,937 | 34.2% |
| 2026-02-23 | 6,010,612 | 6,409,013 | 12,419,625 | 42.2% |
| 2026-02-16 | 4,796,378 | 2,600,962 | 7,397,340 | 31.9% |
| 2026-02-09 | 6,992,543 | 10,427,938 | 17,420,481 | 47.0% |
| 2026-02-02 | 9,016,580 | 4,498,664 | 13,515,244 | 31.8% |
| 2026-01-26 | 6,076,874 | 4,907,478 | 10,984,352 | 41.3% |
| 2026-01-19 | 4,920,369 | 5,923,836 | 10,844,205 | 43.9% |
| 2026-01-12 | 5,886,704 | 3,671,105 | 9,557,809 | 39.6% |
| 2026-01-05 | 5,310,199 | 4,535,712 | 9,845,911 | 39.8% |
| 2025-12-29 | 1,712,954 | 1,731,317 | 3,444,271 | 39.5% |
| 2025-12-22 | 1,590,949 | 1,608,090 | 3,199,039 | 41.4% |
| 2025-12-15 | 3,225,035 | 6,013,757 | 9,238,792 | 46.5% |
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