Colson Eric R

6 filings 1 distinct issuers Active 2018-03-16 → 2026-01-05

Track Record

Total filings

1 SCHEDULE · 5 SC

Distinct issuers

17% issuer diversity

Median stake

10.2%

7,277,163 avg shares

AI briefs cached

0/6

intent-classified filings

Backtested Performance · post-filing returns (split + dividend adjusted)

Median 30d

+9.3%

across 1 filings · win rate 100%

Median 60d

+2.9%

across 1 filings · win rate 100%

Median 90d

-7.3%

across 1 filings · win rate 0%

Median 1y

—

across 0 filings · win rate —

Anchor: closest trading day on/after filing's date_of_event. Source: Yahoo Finance daily adj_close. Past performance is not indicative of future results.

Filings · 6 total

Filed	Form	Issuer	Stake	Shares
2026-01-05	SCHEDULE	Artisan Partners Asset Management Inc.APAM	10.20%	7,277,163	view →
2021-05-11	SC	Artisan Partners Asset Management Inc.APAM	—	—	view →
2021-03-02	SC	Artisan Partners Asset Management Inc.APAM	—	—	view →
2020-02-25	SC	Artisan Partners Asset Management Inc.APAM	—	—	view →
2018-04-03	SC	Artisan Partners Asset Management Inc.APAM	—	—	view →
2018-03-16	SC	Artisan Partners Asset Management Inc.APAM	—	—	view →

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