Jay C. Horgen is CEO & President at AFFILIATED MANAGERS GROUP, INC. (AMG). They have made 19 open-market trades across 1 company since 2009, most recently 2026-06-08.
CIK 0001432993
7 open-market purchases totalling $4.2M since 2019, against 12 sales. Across 7 scored buys the stock is up 9.9% at ninety days, and 4.1 points ahead of the S&P over the same stretch.
7 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| AMG | 204,706 | $78.6M |
Shares reported on the most recent Form 4, priced at the 2026-06-08 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 14% | 29% | 57% |
| Avg Move | -1.7% | -1.7% | +9.9% |
| Alpha | +0.5% | +1.3% | +4.1% |
| Scored | 7 | 7 | 7 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| AMG | SELL | 2026-06-08 | 2026-06-08 | $338.27 | $5.9M | +4.0% | +4.9% | +6.1% |
| AMG | SELL | 2024-08-19 | 2024-08-20 | $170.94 | $3.1M | +1.9% | +5.3% | +8.5% |
| AMG | BUY | 2021-09-14 | 2021-09-15 | $158.01 | $316K | -2.2% | -1.4% | -0.7% |
| AMG | BUY | 2021-02-09 | 2021-02-10 | $136.23 | $545K | -1.5% | +0.0% | +16.7% |
| AMG | BUY | 2020-09-01 | 2020-09-01 | $67.90 | $340K | -5.3% | -3.2% | +25.0% |
| AMG | BUY | 2020-05-13 | 2020-05-13 | $59.26 | $593K | +18.4% | +23.1% | +25.4% |
| AMG | BUY | 2020-03-12 | 2020-03-12 | $53.12 | $531K | -8.8% | +15.7% | +41.1% |
| AMG | BUY | 2020-02-18 | 2020-02-19 | $83.13 | $831K | -9.4% | -43.6% | -24.8% |
| AMG | BUY | 2019-05-10 | 2019-05-13 | $93.19 | $1.0M | -3.5% | -2.4% | -13.1% |
| AMG | SELL | 2018-03-07 | 2018-03-09 | $189.59 | $5.7M | -1.7% | -10.7% | -15.5% |
| AMG | SELL | 2017-02-09 | 2017-02-13 | $163.58 | $11.5M | +0.9% | -0.4% | -7.1% |
| AMG | SELL | 2015-05-01 | 2015-05-05 | $226.97 | $5.1M | -15.4% | +0.6% | +0.6% |
| AMG | SELL | 2014-05-08 | 2014-05-12 | $193.73 | $14.2M | -15.4% | +0.6% | +0.6% |
| AMG | SELL | 2013-05-06 | 2013-05-07 | $155.89 | $9.3M | -15.4% | +0.6% | +0.6% |
| AMG | SELL | 2012-08-28 | 2012-08-30 | $118.82 | $4.8M | -15.4% | +0.6% | +0.6% |
| AMG | SELL | 2012-02-14 | 2012-02-15 | $105.03 | $6.6M | -15.4% | +0.6% | +0.6% |
| AMG | SELL | 2011-02-17 | 2011-02-18 | $111.26 | $4.5M | -15.4% | +0.6% | +0.6% |
| AMG | SELL | 2010-03-15 | 2010-03-15 | $76.76 | $1.5M | -15.4% | +0.6% | +0.6% |
| AMG | SELL | 2009-08-12 | 2009-08-14 | $68.19 | $55K | -15.4% | +0.6% | +0.6% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.