MarketPeel
Insider Trading Intelligence
JH

Jay C. Horgen

AMG
PRESIDENT AND CEO · AFFILIATED MANAGERS GROUP, INC. · CIK 0001432993
FILING MIX · LIFETIME48%/52%
BUYS
44
SELLS
48
TOTAL VALUE
$176.75M
COMPANIES
1
ACTIVE SINCE
Jan 2020
HOLDINGS NOW
261,877
AVG SELL PX
$192.40
TRADE KIND
SHOWING 92 / 92
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
8 backtested trades · 8 horizons · 2 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Jay C. Horgen, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d8+37.50%+2.17%-1.39%+3.56%+3.49%
14d8+50.00%+1.98%-0.74%+2.72%+1.03%
30d8+50.00%+3.73%-1.06%+4.79%+2.41%
60d8+62.50%+11.60%+3.82%+7.78%+9.04%
90d8+62.50%+15.67%+7.89%+7.79%+4.20%
180d8+75.00%+20.95%+12.94%+8.01%-5.15%
1y8+62.50%+77.00%+24.78%+52.22%+33.44%
2y8(2 pending)+83.33%+69.75%+30.55%+39.20%+48.89%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
AMG · 261,877 shares · as of Jun 8, 2026
0150,000300,000450,000600,0002020202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 44 buys / 48 sellsCOVERAGE · 26 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
75,0000Jun 8, 2026Jun 8, 2026View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
39,671$336.62$13.35M222,206Jun 8, 2026Jun 8, 2026View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
17,500$338.27$5.92M204,706Jun 8, 2026Jun 8, 2026View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
75,000$74.49$5.59M261,877Jun 8, 2026Jun 8, 2026View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
Chief Executive Officer
17,563327,950Mar 5, 2026Mar 9, 2026View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
8,5448,544Mar 5, 2026Mar 9, 2026View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Executive Officer
18,333$299.18$5.48M336,877Mar 5, 2026Mar 9, 2026View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Executive Officer
17,56322,891Mar 5, 2026Mar 9, 2026View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
27,260355,210Mar 5, 2026Mar 9, 2026View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALEGRANT
Gift
4,000510,387Dec 23, 2025Dec 23, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
Chief Executive Officer
75,000$74.49$5.59M559,322Sep 2, 2025Sep 4, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Executive Officer
75,00075,000Sep 2, 2025Sep 4, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Executive Officer
44,935$229.97$10.33M514,387Sep 2, 2025Sep 4, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Executive Officer
45,607$219.70$10.02M484,322Aug 12, 2025Aug 14, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Executive Officer
75,000150,000Aug 12, 2025Aug 14, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
Chief Executive Officer
75,000$74.49$5.59M529,929Aug 12, 2025Aug 14, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALEGRANT
Gift
14,000454,929Jul 2, 2025Jul 3, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Gift
14,00034,058Jul 2, 2025Jul 3, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Executive Officer
75,000225,000Jul 1, 2025Jul 3, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Executive Officer
47,191$198.72$9.38M468,929Jul 1, 2025Jul 3, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
Chief Executive Officer
75,000$74.49$5.59M516,120Jul 1, 2025Jul 3, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
13,52713,527Mar 5, 2025Mar 7, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
16,693419,439Mar 5, 2025Mar 7, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
48,251467,690Mar 5, 2025Mar 7, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
26,570$165.72$4.40M441,120Mar 5, 2025Mar 7, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
16,69326,927Mar 5, 2025Mar 7, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
65,230$180.25$11.76M402,746Oct 2, 2024Oct 4, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
100,000$74.49$7.45M467,976Oct 2, 2024Oct 4, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
100,000300,000Oct 2, 2024Oct 4, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
9,300$169.93$1.58M367,976Aug 20, 2024Aug 20, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
200,000400,000Aug 19, 2024Aug 20, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
9,000$171.98$1.55M377,276Aug 19, 2024Aug 20, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
132,728$172.00$22.83M386,276Aug 19, 2024Aug 20, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
200,000$74.49$14.90M519,004Aug 19, 2024Aug 20, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
12,76727,918Mar 5, 2024Mar 7, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
600,000600,000Mar 5, 2024Mar 7, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
22,611333,285Mar 5, 2024Mar 7, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
12,767310,674Mar 5, 2024Mar 7, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
14,281$158.58$2.26M319,004Mar 5, 2024Mar 7, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
15,70215,702Mar 5, 2024Mar 7, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
5,79240,685Jan 1, 2024Jan 3, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
5,792300,272Jan 1, 2024Jan 3, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
2,365$151.42$358.1K297,907Jan 1, 2024Jan 3, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
19,535$133.04$2.60M294,480Aug 15, 2023Aug 17, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
47,990314,015Aug 15, 2023Aug 17, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
47,9900Aug 15, 2023Aug 17, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
7,874293,912Mar 5, 2023Mar 7, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
7,87426,901Mar 5, 2023Mar 7, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
47,99047,990Mar 5, 2023Mar 7, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
19,57619,576Mar 5, 2023Mar 7, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
60,814286,038Mar 5, 2023Mar 7, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
27,887$160.76$4.48M266,025Mar 5, 2023Mar 7, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
8,974228,866Jan 1, 2023Jan 4, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
8,97434,775Jan 1, 2023Jan 4, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
3,642$158.43$577.0K225,224Jan 1, 2023Jan 4, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
19,215$139.84$2.69M219,892Aug 15, 2022Aug 17, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
47,988239,107Aug 15, 2022Aug 17, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
47,9880Aug 15, 2022Aug 17, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
14,419$129.17$1.86M191,119Mar 5, 2022Mar 8, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
2,512172,136Mar 5, 2022Mar 8, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
2,51222,304Mar 5, 2022Mar 8, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
33,402205,538Mar 5, 2022Mar 8, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
47,98847,988Mar 5, 2022Mar 8, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
21,44521,445Mar 5, 2022Mar 8, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
10,757188,540Jan 1, 2022Jan 4, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
10,75724,816Jan 1, 2022Jan 4, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
4,358$164.51$716.9K184,182Jan 1, 2022Jan 4, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALEGRANT
Gift
6,000177,783Nov 5, 2021Jan 4, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
2,000$158.01$316.0K183,783Sep 14, 2021Sep 15, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
47,988201,101Aug 15, 2021Aug 17, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
47,9880Aug 15, 2021Aug 17, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
19,318$169.20$3.27M181,783Aug 15, 2021Aug 17, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
35,564$157.81$5.61M153,113Apr 15, 2021Apr 16, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
41,131$122.40$5.03M188,677Apr 15, 2021Apr 16, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
41,1310Apr 15, 2021Apr 16, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
47,98847,988Mar 5, 2021Mar 9, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
10,05010,050Mar 5, 2021Mar 9, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
7,778$139.31$1.08M147,546Mar 5, 2021Mar 9, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
19,298155,324Mar 5, 2021Mar 9, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
4,000$136.23$544.9K136,026Feb 9, 2021Feb 10, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
5,792140,312Jan 1, 2021Jan 5, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
8,286$101.70$842.7K132,026Jan 1, 2021Jan 5, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
5,79225,523Jan 1, 2021Jan 5, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
5,000$67.90$339.5K142,667Sep 1, 2020Sep 1, 2020View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
10,000$59.26$592.6K137,667May 13, 2020May 13, 2020View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
10,000$53.12$531.2K127,667Mar 12, 2020Mar 12, 2020View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
8,742120,904Mar 3, 2020Mar 5, 2020View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
23,16823,168Mar 3, 2020Mar 5, 2020View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
3,237$73.81$238.9K117,667Mar 3, 2020Mar 5, 2020View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and CEO
10,000$83.13$831.3K117,662Feb 18, 2020Feb 19, 2020View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
2,005$83.99$168.4K107,662Jan 2, 2020Jan 3, 2020View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and CEO
5,860$84.74$496.6K109,667Jan 1, 2020Jan 3, 2020View →
Other insiders · AMG
Loading peer insiders…
About this filer
CIK 0001432993
ROLE
President and CEO
PRIMARY
AMG
COMPANIES
1
ACTIVE SINCE
Jan 2020
MARKETPEEL · /INSIDER/0001432993DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

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