Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2025-03-24 | SCHEDULE | PFIZER INC | — | — | view → | |
| 2025-02-27 | SCHEDULE | PFIZER INC | 7.30% | 661,709,764 | view → | |
| 2025-01-21 | SCHEDULE | PFIZER INC | 7.30% | 661,709,764 | view → | |
| 2025-01-16 | SCHEDULE | PFIZER INC | 15.00% | 1,361,709,764 | view → | |
| 2024-10-03 | SC | PFIZER INC | — | — | view → | |
| 2024-10-01 | SC | PFIZER INC | — | — | view → | |
| 2023-10-10 | SC | GSK plc | — | — | view → | |
| 2023-10-10 | SC | PFIZER INC | — | — | view → |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-08-31 | 3,746,725 | 389.03 | -6.8% |
| 2026-08-14 | 4,018,111 | 536.82 | -3.9% |
| 2026-07-31 | 4,179,754 | 655.44 | -0.7% |
| 2026-07-15 | 4,209,498 | 296.59 | +5.9% |
| 2026-06-30 | 3,975,774 | 333.17 | +6.2% |
| 2026-06-15 | 3,742,386 | 17.45 | 0.0% |
| 2026-05-29 | 3,742,546 | 370.04 | -0.2% |
| 2026-05-15 | 3,748,394 | 87.67 | -21.8% |
| 2026-04-30 | 4,795,375 | 466.88 | +13.2% |
| 2026-04-15 | 4,236,166 | 306.79 | -1.6% |
| 2026-03-31 | 4,307,008 | 123.67 | +7.3% |
| 2026-03-13 | 4,016,021 | 334.03 | -11.9% |
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