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NEEDHAM INVESTMENT MANAGEMENT LLC > MKSI

DateNameTickerSharesChangeValueChangePrice
12/31/2022MKS INSTRUMENTS INCMKSI139,50024,00011,819,835,00011,810,290,000$84,730.00
09/30/2022MKS INSTRUMENTS INCMKSI115,500-37,5009,545,000-6,157,000$82.64
06/30/2022MKS INSTRUMENTS INCMKSI153,00016,00015,702,000-4,848,000$102.63
03/31/2022MKS INSTRUMENTS INCMKSI137,000020,550,000-3,312,000$150.00
12/31/2021MKS INSTRUMENTS INCMKSI137,00026,50023,862,0004,198,000$174.18
06/30/2021MKS INSTRUMENTS INCMKSI110,5002,50019,664,000-362,000$177.95
03/31/2021MKS INSTRUMENTS INCMKSI108,00023,00020,026,0007,238,000$185.43
12/31/2020MKS INSTRUMENTS INCMKSI85,000-50012,788,0003,448,000$150.45
09/30/2020MKS INSTRUMENTS INCMKSI85,50009,340,000-342,000$109.24
06/30/2020MKS INSTRUMENTS INCMKSI85,500-14,5009,682,0001,536,000$113.24
03/31/2020MKS INSTRUMENTS INCMKSI100,0005,0008,146,000-2,304,000$81.46
12/31/2019MKS INSTRUMENTS INCMKSI95,000-2,00010,450,0001,499,000$110.00
09/30/2019MKS INSTRUMENTS INCMKSI97,000-6,0008,951,000929,000$92.28
06/30/2019MKS INSTRUMENTS INCMKSI103,0007,0008,022,000-910,000$77.88
03/31/2019MKS INSTRUMENTS INCMKSI96,000-2,0008,932,0002,601,000$93.04
12/31/2018MKS INSTRUMENTS INCMKSI98,0003,0006,331,000-1,284,000$64.60
09/30/2018MKS INSTRUMENTS INCMKSI95,0002,0007,615,000-1,286,000$80.16
06/30/2018MKS INSTRUMENTS INCMKSI93,000-5,5008,901,000-2,490,000$95.71
03/31/2018MKS INSTRUMENTS INCMKSI98,500-2,50011,391,0001,845,000$115.64
12/31/2017MKS INSTRUMENTS INCMKSI101,000-3,0009,546,000-276,000$94.51
09/30/2017MKS INSTRUMENTS INCMKSI104,00009,822,0002,822,000$94.44
06/30/2017MKS INSTRUMENTS INCMKSI104,000-3,0007,000,000-356,000$67.31
03/31/2017MKS INSTRUMENTS INCMKSI107,000-41,5007,356,000-1,465,000$68.75
12/31/2016MKS INSTRUMENTS INCMKSI148,500-23,0008,821,000293,000$59.40
09/30/2016MKS INSTRUMENTS INCMKSI171,500-13,5008,528,000562,000$49.73
06/30/2016MKS INSTRUMENTS INCMKSI185,000-4,1007,966,0002,948,000$43.06
03/31/2016MKS INSTRUMENTS INCMKSI209,10020,0007,873,0002,855,000$37.65
12/31/2015MKS INSTRUMENTS INCMKSI216,60027,5007,798,0002,780,000$36.00
09/30/2015MKS INSTRUMENTS INCMKSI216,60027,5007,263,0002,245,000$33.53
06/30/2015MKS INSTRUMENTS INCMKSI216,60027,5008,218,0003,200,000$37.94
03/31/2015MKS INSTRUMENTS INCMKSI216,60027,5007,324,0002,306,000$33.81
12/31/2014MKS INSTRUMENTS INCMKSI216,60027,5007,928,0002,910,000$36.60
09/30/2014MKS INSTRUMENTS INCMKSI216,60027,5007,230,0002,212,000$33.38
06/30/2014MKS INSTRUMENTS INCMKSI216,60027,5006,767,0001,749,000$31.24
03/31/2014MKS INSTRUMENTS INCMKSI216,60027,5006,475,0001,457,000$29.89
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