ACK ASSET MANAGEMENT LLC Information

2 OVERHILL ROAD, SCARSDALE, New York, 10583, (914) 220-8340

Report Date: 03/31/2013

Position Statistics:

Total Positions 42
New Positions 14
Increased Positions 24
Decreased Positions 17
Positions with Activity 41
Sold Out Positions 9
Total Mkt Value
(in $ millions)
237

Sector Weighting

Basic Materials 9.28%
Capital Goods 24.15%
Conglomerates
Consumer Cyclical 13.54%
Consumer/Non-Cyclical 3.34%
Energy
Financial 2.22%
Healthcare 11.36%
Services 13.84%
Technology 10.27%
Transportation 12%
Utilities

Institutional Holdings information is filed by major institutions on form 13-F with the Securities and Exchange Commission.

42 Positions as of 03/31/2013

Company Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
LIBBEY INC COM 18,454 2,830 18.12 852,000
CLEAN HARBORS INC COM 12,278 -425 (3.34) 211,000
KIRBY CORP COM 11,711 11,711 New 143,010
ASTRONICS CORP COM 11,708 11,708 New 351,900
KENNEDY-WILSON HLDGS INC COM 11,553 2,914 33.73 654,200
MEASUREMENT SPECIALTIES INC COM 11,033 2,495 29.23 236,100
BALCHEM CORP COM 10,371 2,345 29.21 217,200
CAPITAL SR LIVING CORP COM 10,251 217 2.16 386,989
TRINITY BIOTECH PLC SPON ADR NEW 10,142 10,142 New 612,800
ORION MARINE GROUP INC COM 9,557 -71 (0.73) 813,400
PRIMORIS SVCS CORP COM 9,510 -11,945 (55.68) 447,100
ROGERS CORP COM 7,683 -6,345 (45.23) 161,517
U S SILICA HLDGS INC COM 7,352 7,352 New 325,000
BLACK DIAMOND INC COM 7,102 55 .78 793,509
MUELLER INDS INC COM 6,988 6,988 New 129,500
INTERFACE INC COM 6,584 1,538 30.47 359,000
EXAMWORKS GROUP INC COM 6,562 6,562 New 338,417
ARMSTRONG WORLD INDS INC NEW COM 6,451 6,451 New 120,000
FLOW INTL CORP COM 5,534 51 .94 1,397,600
GREENBRIER COS INC COM 5,331 5,331 New 220,477