Jim Van Horn

Sigma Investment Management Company as of March 31, 2012

Portfolio Holdings for Sigma Investment Management Company

Sigma Investment Management Company holds 29 positions in its portfolio as reported in the March 2012 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
iShares Russell 1000 Index (IWB) 23.8 $29M 374k 77.96
iShares Russell 2000 Growth Index (IWO) 17.4 $21M 223k 95.38
iShares Lehman Aggregate Bond (AGG) 16.2 $20M 181k 109.85
iShares MSCI EAFE Index Fund (EFA) 8.4 $10M 188k 54.89
iShares S&P Natl AMTFr Mncpl Bd (MUB) 7.8 $9.6M 88k 109.40
iShares MSCI EMU Index (EZU) 6.9 $8.4M 268k 31.55
iShares S&P 500 Index (IVV) 3.9 $4.8M 34k 141.22
Consumer Staples Select Sect. SPDR (XLP) 3.8 $4.6M 136k 34.08
iShares MSCI ACWI Index Fund (ACWI) 2.5 $3.1M 65k 47.20
Vanguard FTSE All-World ex-US ETF (VEU) 1.4 $1.7M 39k 44.22
J.M. Smucker Company (SJM) 1.2 $1.5M 18k 81.36
Vanguard Total World Stock Idx (VT) 1.1 $1.4M 28k 48.27
Vanguard Dividend Appreciation ETF (VIG) 0.8 $992k 17k 58.58
SPDR Nuveen Barclays Capital Municpl Bnd 0.6 $764k 32k 23.83
SPDR Barclays Capital Intl Tresy Bd ETF (BWX) 0.5 $615k 10k 59.95
Vanguard Large-Cap ETF (VV) 0.4 $504k 7.8k 64.46
iShares FTSE KLD 400 Social Idx (DSI) 0.4 $462k 8.9k 51.95
iShares Russell 3000 Index (IWV) 0.4 $442k 5.3k 83.32
Intel Corporation (INTC) 0.3 $365k 13k 28.11
U.S. Bancorp (USB) 0.3 $353k 11k 31.65
Costco Wholesale Corporation (COST) 0.3 $318k 3.5k 90.94
Schwab U S Broad Market ETF (SCHB) 0.3 $318k 9.4k 33.95
International Business Machines (IBM) 0.2 $303k 1.4k 210.53
iShares Lehman 1-3 Year Treas.Bond (SHY) 0.2 $308k 3.7k 84.29
Spdr S&p 500 Etf (SPY) 0.2 $297k 2.1k 140.83
SPDR Barclays Capital 1-3 Month T- 0.2 $250k 5.5k 45.77
SPDR Barclays Capital TIPS (SPIP) 0.2 $228k 3.9k 58.43
SPDR S&P MidCap 400 ETF (MDY) 0.2 $202k 1.1k 180.52
Key (KEY) 0.1 $108k 13k 8.54