DORM β€” DORMAN PRODUCTS INC COM

Ownership history in PEAK6 Group LLC  Β·  16 quarters on record

This page tracks every 13F SEC filing in which PEAK6 Group LLC reported a position in DORMAN PRODUCTS INC COM (DORM). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price β€” sourced directly from SEC EDGAR 13F filings.

πŸ” Peak position
0.01% (2013 Q1)
πŸ“Š Avg. % of fund
0.0%
πŸ“… First filed
2013 Q1
πŸ“… Last filed
2018 Q2
⏱ Quarters held
16

Position Intelligence

PEAK6 Group LLC Γ— DORM AI Analytics

πŸ“‰ PEAK6 Group LLC underperformed the S&P 500 by –7.1% annually on this DORM position. Timing score: 36% (5/14 decisions correct). Average cost basis: $58.51. Maximum drawdown during holding period: –9.4%.

πŸ“ˆ Position Alpha vs SPY
-7.1%
annualised excess return

❌ Significantly underperformed the S&P 500 by 7.1% ann.
14 quarters analyzed

⏱️ Timing Score
36%

⚠️ Poor timing β€” buys often preceded drops, trims preceded rallies.
5 of 14 add/trim decisions correct

πŸ’° Entry Quality
$58.51
+16.7% vs current ($68.31)

Best entry: $45.63 (2013 Q2)  Β·  Worst: $73.06 (2016 Q4)

πŸ›‘οΈ Drawdown Resilience
–9.4%
max drawdown while held

πŸ’Ž No drawdown exceeding 20% during the holding period β€” exceptionally stable.

πŸ’ͺ Fund Conviction
62%
buy-side decisions

10 adds Β· 6 trims. Bought during 1 of 2 down-price quarters. πŸ“ˆ More buys than sells across the holding period.

πŸ“‘ Position Trajectory
β†’ Stable
last 4–5 quarters trend

βš–οΈ Portfolio weight has remained relatively stable β€” conviction maintained.
Currently 0.0% of portfolio

⚠ Based on quarterly 13F SEC filings and end-of-quarter closing prices. Timing score = accuracy of add/trim decisions vs next-quarter price direction. Alpha = mean quarterly excess return Γ— 4 (annualised). Not investment advice.

% of Fund (quarterly)    DORM price (monthly, adj. close)
πŸ“‹ Quarterly Holdings History 10 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2018 Q2 ADDED 7,446 +2,446 +48.9% 0.00% $509K $68.31
2018 Q1 REDUCED 5,000 -7,500 -60.0% 0.00% $331K $66.21
2018 Q1 REDUCED 12,500 -4,201 -25.2% 0.00% $828K $66.21
2018 Q1 ADDED 16,701 +8,901 +114.1% 0.00% $1.1M $66.21
2016 Q4 ADDED 7,800 +4,900 +169.0% 0.00% $570K $73.06
2016 Q4 REDUCED 2,900 -3,400 -54.0% 0.00% $212K $73.06
2016 Q3 ADDED 6,300 +1,200 +23.5% 0.00% $403K $63.90
2016 Q3 ADDED 5,100 +2,000 +64.5% 0.00% $326K $63.90
2015 Q3 ADDED 3,100 +213 +7.4% 0.00% $158K $50.89
2015 Q3 ADDED 2,887 +1,387 +92.5% 0.00% $147K $50.89
6 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history

🏒 Other funds also holding DORM

As of 2025 Q4 β€” sorted by position size

RK Asset Management, LLC 3Y 7Y 4.03% SOUTHERNSUN ASSET MANAGEMENT, LLC 3Y 7Y 3.28% Pembroke Management, LTD 3Y 7Y 2.01% QSV Equity Investors LLC 1.73% Bridge City Capital, LLC 3Y 7Y 1.59% Summit Creek Advisors LLC 3Y 7Y 1.44% Tributary Capital Management, LLC 3Y 7Y 1.33% Long Road Investment Counsel, LLC 3Y 7Y 1.32% GENEVA CAPITAL MANAGEMENT LLC 3Y 7Y 0.94% Leeward Investments, LLC - MA 3Y 0.73%
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