Adam D. Portnoy is Director at DIVERSIFIED HEALTHCARE TRUST (DHC). They have made 10 open-market trades across 5 companies since 2018, most recently 2026-09-17.
10 open-market purchases totalling $244.5M since 2018, never a sale. Across 9 scored buys the stock is up 76.4% at ninety days, and 71.8 points ahead of the S&P over the same stretch.
9 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 44% | 44% | 44% |
| Avg Move | +6.3% | +8.7% | +76.4% |
| Alpha | +5.2% | +6.1% | +71.8% |
| Scored | 9 | 9 | 9 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| SVC | BUY | 2026-04-02 | 2026-04-02 | $1.20 | $50.0M | +9.4% | +16.8% | +554.3% |
| SEVN | BUY | 2025-12-11 | 2025-12-11 | $8.65 | $34.9M | -6.0% | -6.9% | -10.8% |
| DHC | BUY | 2023-06-12 | 2023-06-14 | $2.97 | $29.8M | -43.0% | -16.3% | -23.1% |
| DHC | BUY | 2023-06-07 | 2023-06-09 | $2.45 | $14.7M | -29.2% | -8.8% | -14.2% |
| DHC | BUY | 2023-06-02 | 2023-06-06 | $1.77 | $19.6M | +20.1% | +7.5% | +20.6% |
| DHC | BUY | 2023-05-30 | 2023-06-01 | $1.38 | $7.3M | +90.2% | +42.3% | +82.8% |
| ALR | BUY | 2023-03-18 | 2023-03-20 | $1.31 | $58.6M | N/A | N/A | N/A |
| SEVN | BUY | 2022-05-11 | 2022-05-12 | $9.47 | $8.4M | +0.0% | -0.1% | -0.8% |
| TA | BUY | 2020-09-21 | 2020-09-23 | $21.57 | $4.5M | +18.8% | +55.4% | +94.7% |
| TA | BUY | 2018-10-10 | 2018-10-11 | $5.62 | $16.8M | -3.4% | -12.0% | -15.8% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| SVC |
| 114,933 |
| $706K |
| FVE | 44,832 | $132K |
| TRMT | 13,500 | $70K |
| RMRM | 165,460 | — |
| RIF | 58,522 | — |
| SIR | 107,535 | — |
| SNH | 144,373 | — |
| NASDAQSEVN | 175,426 | — |
| HPT | 149,499 | — |
| GOV | 417,967 | — |
| Total | $47.6M |
Shares reported on the most recent Form 4, priced at the 2026-09-21 close. 7 holdings could not be priced and are excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.