PEN
Penumbra IncCompany with tickers: PEN
CIK
1321732
CUSIP
70975L107
Shares Outstanding
39,331,425
Website
https://www.penumbrainc.com
Investor Relations
https://www.penumbrainc.com/investors/
13F Activity (30d)
4 filings
3 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 |
|---|---|---|---|---|
| 2026-06-01 | 573,487 | 495,445 | 1,068,932 | 48.3% |
| 2026-05-25 | 421,439 | 195,736 | 617,175 | 38.0% |
| 2026-05-18 | 622,898 | 375,569 | 998,467 | 57.2% |
| 2026-05-11 | 428,967 | 154,603 | 583,570 | 41.9% |
| 2026-05-04 | 519,635 | 304,595 | 824,230 | 38.2% |
| 2026-04-27 | 460,639 | 260,585 | 721,224 | 44.7% |
| 2026-04-20 | 983,501 | 649,729 | 1,633,230 | 45.9% |
| 2026-04-13 | 327,350 | 250,380 | 577,730 | 43.6% |
| 2026-04-06 | 597,388 | 269,133 | 866,521 | 37.7% |
| 2026-03-30 | 1,269,374 | 459,362 | 1,728,736 | 46.1% |
| 2026-03-23 | 740,201 | 294,114 | 1,034,315 | 39.0% |
| 2026-03-16 | 789,156 | 296,502 | 1,085,658 | 39.2% |
| 2026-03-09 | 905,527 | 351,748 | 1,257,275 | 41.8% |
| 2026-03-02 | 927,487 | 836,616 | 1,764,103 | 48.8% |
| 2026-02-23 | 913,073 | 440,997 | 1,354,070 | 37.3% |
| 2026-02-16 | 486,797 | 176,509 | 663,306 | 33.7% |
| 2026-02-09 | 1,017,575 | 306,701 | 1,324,276 | 39.6% |
| 2026-02-02 | 1,681,167 | 1,000,584 | 2,681,751 | 41.9% |
| 2026-01-26 | 1,467,568 | 509,760 | 1,977,328 | 33.9% |
| 2026-01-19 | 2,083,479 | 864,384 | 2,947,863 | 34.6% |
| 2026-01-12 | 4,581,278 | 1,208,400 | 5,789,678 | 35.8% |
| 2026-01-05 | 1,075,037 | 133,578 | 1,208,615 | 41.5% |
| 2025-12-29 | 326,616 | 183,807 | 510,423 | 47.0% |
| 2025-12-22 | 338,849 | 100,327 | 439,176 | 45.5% |
| 2025-12-15 | 1,027,412 | 321,263 | 1,348,675 | 43.3% |
| 2025-12-08 | 843,666 | 367,437 | 1,211,103 | 43.4% |
| 2025-12-01 | 660,276 | 490,222 | 1,150,498 | 49.3% |
| 2025-11-24 | 672,637 | 348,239 | 1,020,876 | 48.5% |
| 2025-11-17 | 746,510 | 304,203 | 1,050,713 | 44.6% |
| 2025-11-10 | 589,643 | 244,592 | 834,235 | 37.0% |
| 2025-11-03 | 952,072 | 339,235 | 1,291,307 | 37.2% |
| 2025-10-27 | 896,342 | 292,080 | 1,188,422 | 48.6% |
| 2025-10-20 | 547,766 | 347,189 | 894,955 | 51.1% |
| 2025-10-13 | 344,177 | 237,091 | 581,268 | 41.6% |
| 2025-10-06 | 442,747 | 167,406 | 610,153 | 37.8% |
| 2025-09-29 | 414,433 | 114,251 | 528,684 | 32.3% |
| 2025-09-22 | 494,719 | 473,110 | 967,829 | 48.7% |
| 2025-09-15 | 576,793 | 406,770 | 983,563 | 40.1% |
| 2025-09-08 | 926,551 | 222,126 | 1,148,677 | 44.7% |
| 2025-09-01 | 692,476 | 140,683 | 833,159 | 44.2% |
| 2025-08-25 | 881,362 | 297,704 | 1,179,066 | 43.4% |
| 2025-08-18 | 620,616 | 180,371 | 800,987 | 41.2% |
| 2025-08-11 | 639,516 | 190,935 | 830,451 | 43.4% |
| 2025-08-04 | 588,635 | 215,572 | 804,207 | 44.6% |
| 2025-07-28 | 1,559,652 | 371,395 | 1,931,047 | 45.3% |
| 2025-07-21 | 783,974 | 172,944 | 956,918 | 44.2% |
| 2025-07-14 | 793,800 | 271,620 | 1,065,420 | 44.9% |
| 2025-07-07 | 576,616 | 156,917 | 733,533 | 40.2% |
| 2025-06-30 | 359,301 | 93,165 | 452,466 | 32.1% |
Showing 1–49 of 49 weeks