Mark S. Shapiro is President at Endeavor Group Holdings, Inc. (EDR). They have made 31 open-market trades across 8 companies since 2006, most recently 2026-08-18.
CIK 0001345978
10 open-market purchases totalling $4.9M since 2006, against 21 sales. Across 9 scored buys the stock is up 1.7% at ninety days, and 0.2 points ahead of the S&P over the same stretch.
9 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 0% | 78% | 89% |
| Avg Move | -5.9% | +0.1% | +1.7% |
| Alpha | -0.8% | -0.7% | +0.2% |
| Scored | 9 | 9 | 9 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| TKO | SELL · 10b5-1 | 2026-08-18 | 2026-08-19 | $194.39 | $3.7M | -9.2% | -6.0% | — |
| TKO | BUY | 2026-05-13 | 2026-05-13 | $185.05 | $2.0M | -1.0% | +7.2% | +2.6% |
| TKO | SELL | 2026-01-22 | 2026-01-22 | $201.98 | $2.9M | +0.7% | +2.1% | -7.7% |
| TKO | SELL · 10b5-1 | 2026-01-05 | 2026-01-05 | $204.08 | $6.5M | +2.6% | +1.4% | -3.3% |
| EDR | SELL | 2025-02-24 | 2025-02-25 | $30.06 | $2.9M | -8.0% | N/A | N/A |
| TKO | SELL · 10b5-1 | 2025-01-03 | 2025-01-06 | $141.94 | $9.0M | -1.5% | +11.5% | -2.2% |
| TKO | SELL · 10b5-1 | 2024-09-16 | 2024-09-16 | $114.76 | $7.1M | +5.3% | +8.6% | +25.1% |
| EDR | SELL | 2024-02-22 | 2024-02-23 | $24.10 | $4.5M | +0.1% | +5.9% | +10.4% |
| TKO | BUY | 2023-11-14 | 2023-11-14 | $79.80 | $2.0M | -0.1% | -5.3% | +9.8% |
| EDR | SELL | 2023-08-28 | 2023-08-29 | $24.13 | $148K | -9.6% | -18.1% | +1.8% |
| EDR | SELL | 2023-08-16 | 2023-08-18 | $24.53 | $17.1M | +0.2% | -9.9% | +0.9% |
| EQR | SELL | 2023-05-04 | 2023-05-05 | $61.88 | $3.4M | -2.0% | +0.9% | +4.1% |
| EDR | SELL | 2023-05-04 | 2023-05-05 | $25.21 | $3.6M | -8.9% | -12.3% | -6.4% |
| EDR | SELL | 2023-02-23 | 2023-02-23 | $22.21 | $710K | +7.4% | +3.0% | +1.6% |
| EDR | SELL | 2022-12-01 | 2022-12-02 | $22.14 | $9.6M | -0.4% | -1.7% | +9.7% |
| EDR | SELL | 2022-11-18 | 2022-11-22 | $21.70 | $2.5M | +0.8% | -4.0% | -1.0% |
| EQR | SELL | 2022-06-17 | 2022-06-21 | $70.10 | $934K | +2.8% | +2.5% | +1.9% |
| EDR | SELL | 2022-05-05 | 2022-05-06 | $19.42 | $3.3M | +1.7% | +19.0% | +23.2% |
| EQR | SELL | 2021-06-07 | 2021-06-09 | $79.72 | $927K | -0.2% | +2.8% | +4.8% |
| EDR | SELL | 2021-06-03 | 2021-06-07 | $29.00 | $2.0M | -1.7% | -4.7% | -1.0% |
| EQR | SELL | 2020-01-02 | 2020-01-03 | $81.05 | $534K | +1.8% | +2.7% | -32.3% |
| LYV | SELL | 2019-05-16 | 2019-05-20 | $64.90 | $1.0M | -4.2% | +4.7% | +12.6% |
| PZZA | SELL | 2018-03-02 | 2018-03-05 | $60.78 | $1.0M | -5.1% | +0.3% | -18.1% |
| EQR | SELL | 2017-08-09 | 2017-08-10 | $67.30 | $384K | +1.3% | +2.6% | +5.2% |
| LYV | SELL | 2016-11-21 | 2016-11-22 | $28.08 | $1.3M | -1.7% | -2.5% | +9.6% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| PKS |
| 256,800 |
| — |
| Total | $64.3M |
Shares reported on the most recent Form 4, priced at the 2026-08-19 close. 1 holding could not be priced and is excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.