YHB Investment Advisors

YHB Investment Advisors as of Sept. 30, 2001

Portfolio Holdings for YHB Investment Advisors

YHB Investment Advisors holds 138 positions in its portfolio as reported in the September 2001 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
General Electric Company 5.8 $7.2M 194k 37.20
Exxon Mobil Corporation (XOM) 4.3 $5.4M 136k 39.40
American Bk Conn Waterbury 3.0 $3.7M 119k 30.70
American Intl Group 2.8 $3.5M 44k 78.01
Johnson & Johnson (JNJ) 2.5 $3.1M 56k 55.40
Sbc Communications 2.4 $3.0M 63k 47.12
Fleet Boston Financial Corp 2.0 $2.4M 66k 36.75
Bristol Myers Squibb (BMY) 1.9 $2.4M 43k 55.55
International Business Machines (IBM) 1.9 $2.3M 25k 91.73
Electronic Data Systems Corp 1.9 $2.3M 40k 57.58
Merck & Co 1.9 $2.3M 34k 66.60
Pfizer (PFE) 1.9 $2.3M 57k 40.10
Citi 1.8 $2.2M 55k 40.50
Verizon Communications (VZ) 1.6 $2.0M 37k 54.12
Procter & Gamble Company (PG) 1.6 $1.9M 27k 72.79
Emerson Electric (EMR) 1.4 $1.7M 36k 47.07
Yum! Brands (YUM) 1.4 $1.7M 42k 39.23
Pepsi (PEP) 1.3 $1.6M 34k 48.49
Ims Health 1.3 $1.6M 65k 25.05
American Home Prod. 1.3 $1.6M 28k 58.25
First Data Corp 1.3 $1.6M 27k 58.26
Tyco Intl 1.2 $1.5M 34k 45.51
American Express Company (AXP) 1.2 $1.5M 53k 29.06
Liberty Media 1.2 $1.5M 119k 12.70
Guidant Corp 1.2 $1.5M 39k 38.50
Eli Lilly & Co. (LLY) 1.2 $1.5M 18k 80.69
Home Depot (HD) 1.2 $1.4M 37k 38.36
Banknorth Group 1.1 $1.4M 63k 22.28
Stanley Works 1.1 $1.4M 38k 36.56
Schlumberger (SLB) 1.1 $1.4M 30k 45.69
Kopin Corporation (KOPN) 1.1 $1.4M 132k 10.42
3M Company (MMM) 1.1 $1.4M 14k 98.39
CVS Caremark Corporation (CVS) 0.9 $1.2M 35k 33.21
UnitedHealth (UNH) 0.9 $1.2M 18k 66.50
Microsoft Corporation (MSFT) 0.9 $1.1M 22k 51.15
Automatic Data Processing (ADP) 0.9 $1.1M 24k 47.03
McDonald's Corporation (MCD) 0.9 $1.1M 41k 27.15
Costco Wholesale Corporation (COST) 0.8 $1.1M 30k 35.56
Harley-Davidson (HOG) 0.8 $1.0M 25k 40.52
Waste Management (WM) 0.8 $1.0M 38k 26.73
BP (BP) 0.8 $993k 20k 49.15
JPMorgan Chase & Co. (JPM) 0.8 $993k 29k 34.14
Motorola 0.8 $983k 63k 15.60
Hewlett-Packard Company 0.8 $948k 59k 16.05
Progressive Corporation (PGR) 0.8 $937k 7.0k 133.86
Mbia (MBI) 0.7 $900k 18k 49.98
Halliburton Company (HAL) 0.7 $886k 39k 22.54
Comcast Corporation 0.7 $841k 24k 35.86
Williams Companies (WMB) 0.7 $817k 30k 27.30
Bellsouth Corp. 0.7 $808k 19k 41.57
Federal National Mortgage Association (FNMA) 0.7 $803k 10k 80.10
United Technologies Corporation 0.6 $788k 17k 46.51
Oxford Health Plans 0.6 $797k 28k 28.41
Textron (TXT) 0.6 $773k 23k 33.61
Mellon Financial Corp. 0.6 $771k 24k 32.33
Wal-Mart Stores (WMT) 0.6 $745k 15k 49.50
Burlington Resources 0.6 $746k 22k 34.22
Synopsys (SNPS) 0.6 $706k 18k 40.11
Abiomed 0.6 $708k 41k 17.48
United Parcel Service (UPS) 0.6 $696k 13k 52.00
Noble Energy 0.5 $651k 21k 31.00
Medtronic 0.5 $619k 14k 43.48
Abbott Laboratories (ABT) 0.5 $600k 12k 51.87
Equity Office Properties Tr 0.5 $606k 19k 31.98
Boeing Company (BA) 0.5 $595k 18k 33.52
Aol Time Warner 0.5 $589k 18k 33.12
Pitney Bowes (PBI) 0.5 $575k 15k 38.21
Texas Instruments Incorporated (TXN) 0.5 $563k 23k 25.00
Electronics For Imaging 0.4 $549k 34k 16.27
Newfield Exploration 0.4 $540k 19k 29.19
Schering Plough Corp 0.4 $536k 15k 37.09
Gannett 0.4 $517k 8.6k 60.12
National Instruments 0.4 $497k 19k 26.16
Walt Disney Company (DIS) 0.4 $468k 25k 18.60
Sprint Nextel Corporation 0.4 $469k 20k 23.99
Dow Chemical Company 0.4 $459k 14k 32.76
Intel Corporation (INTC) 0.4 $457k 22k 20.44
Whirlpool Corporation (WHR) 0.4 $457k 8.3k 55.36
Fidelity National Financial In 0.4 $453k 17k 26.92
Cendant Corp. 0.4 $459k 36k 12.80
iShares Dow Jones US Healthcare (IYH) 0.4 $459k 7.6k 60.59
Coca-Cola Company (KO) 0.4 $447k 9.5k 46.86
White Mountains Insurance Gp (WTM) 0.3 $433k 1.3k 333.08
Viacom Inc cl b 0.3 $426k 12k 34.48
Hartford Financial Services (HIG) 0.3 $405k 6.9k 58.81
E.I. du Pont de Nemours & Company 0.3 $403k 11k 37.50
Chubb Corporation 0.3 $393k 5.5k 71.45
Avaya 0.3 $380k 38k 9.91
Baker Hughes Incorporated 0.3 $382k 13k 28.94
Dell 0.3 $387k 21k 18.53
Wachovia Corp 0.3 $369k 12k 31.00
Chevron Corporation (CVX) 0.3 $357k 4.2k 84.72
RadioShack Corporation 0.3 $344k 14k 24.23
Worldcom Inc Ga New wrldcom gp 0.3 $345k 23k 15.01
McGraw-Hill Companies 0.3 $328k 5.6k 58.24
General Motors Corp 0.3 $336k 7.8k 42.93
Amgen (AMGN) 0.3 $334k 5.7k 58.85
Hancock John Finl Svcs 0.3 $336k 8.4k 40.00
Canadian Natl Ry (CNI) 0.2 $312k 8.2k 38.05
Devon Energy Corporation (DVN) 0.2 $315k 9.2k 34.43
Kerr-mcgee Corporation 0.2 $306k 5.9k 51.86
Allstate Corporation (ALL) 0.2 $305k 8.2k 37.34
GlaxoSmithKline 0.2 $303k 5.4k 56.03
Marsh & McLennan Companies (MMC) 0.2 $304k 3.1k 96.63
At&t Corp 0.2 $313k 16k 19.33
ROGERS WIRELESS Communications cl b non-vtg 0.2 $305k 29k 10.66
Baxter International (BAX) 0.2 $295k 5.4k 55.12
Capital One Financial (COF) 0.2 $295k 6.4k 46.09
Agilent Technologies Inc C ommon (A) 0.2 $286k 15k 19.58
Kimberly-Clark Corporation (KMB) 0.2 $270k 4.3k 62.10
Intuit (INTU) 0.2 $268k 7.5k 35.73
iShares Dow Jones US Financial (IYF) 0.2 $270k 3.6k 74.28
Cisco Systems (CSCO) 0.2 $259k 21k 12.17
Elan Corporation 0.2 $257k 5.3k 48.40
State Street Corporation (STT) 0.2 $253k 5.6k 45.59
Gillette Company 0.2 $252k 8.5k 29.76
Applera Corp Com Shs Applied 0.2 $253k 10k 24.41
Kroger (KR) 0.2 $234k 9.5k 24.63
Staples 0.2 $238k 18k 13.32
Sara Lee 0.2 $240k 11k 21.33
At&t Wireless Services 0.2 $222k 15k 14.97
Sun Microsystems 0.2 $226k 27k 8.26
Westport Res Corp 0.2 $222k 15k 14.70
Pharmacia Corp 0.2 $213k 5.3k 40.51
BJ's Wholesale Club 0.2 $214k 4.5k 47.56
Hospitality Properties Trust 0.2 $212k 8.8k 24.09
Delphi Financial 0.2 $215k 6.4k 33.79
Chittenden Corp 0.2 $211k 8.3k 25.46
Biotech HOLDRs 0.2 $211k 1.9k 111.05
Eastman Kodak Company 0.2 $201k 6.2k 32.55
EMC Corporation 0.1 $166k 14k 11.72
Corning Incorporated (GLW) 0.1 $151k 17k 8.80
Charles Schwab Corporation (SCHW) 0.1 $131k 11k 11.53
Neomagic Corp 0.1 $123k 46k 2.69
Lucent Technologies 0.1 $103k 18k 5.72
Ntl 0.1 $66k 21k 3.11
FIRST VIRTUAL Communications 0.0 $7.0k 11k 0.67
WILLIAMS COMMUNICATIONS Group cl a 0.0 $16k 14k 1.16