MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

Shannon River Fund Management LLC's Holding History (CIK: 0001301050)

Note: Option positions (PUT/CALL) are excluded.

Q1 2016
Shares 250,500 Value ($000) $9,431 Avg Close $31.35 Range $28.08 - $35.11
Q4 2015
Shares 432,365 Value ($000) $15,565 Avg Close $32.52 Range $26.43 - $35.02
Q3 2015
Shares 712,408 Value ($000) $23,887 Avg Close $31.60 Range $28.82 - $34.92
Q2 2015
Shares 712,408 Value ($000) $27,029 Avg Close $32.93 Range $29.54 - $35.95
Q1 2015
Shares 544,000 Value ($000) $18,393 Avg Close $31.63 Range $29.59 - $33.22
Q4 2014
Shares 544,000 Value ($000) $19,910 Avg Close $31.69 Range $27.30 - $33.99
Q3 2014
Shares 560,000 Value ($000) $18,693 Avg Close $29.19 Range $27.47 - $31.20
Q2 2014
Shares 350,000 Value ($000) $10,934 Avg Close $25.69 Range $23.72 - $27.88