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MKSIMKSI
Showing 6 of 24 quarters

Position history for WESTFIELD CAPITAL MANAGEMENT CO LPWESTFIELD CAPITAL MANAGEMENT CO LP's holdings in MKS INC

WESTFIELD CAPITAL MANAGEMENT CO LP holds 928,617 shares of MKSI (MKS INC), worth $413M as of 2026-Q2. The position was decreased (-11.3% shares). MKSI represents 1.3% of WESTFIELD CAPITAL MANAGEMENT CO LP's portfolio.

Current Value

$413M

Current Shares

928,617

Total Value Change

+$410.4M

Total Shares Change

+904,517

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Decreased
928,617
-11.3%
$413M1.3%$444.39
0
2026-Q1
Increased
1M
+24.6%
$240.6M1.0%$229.42
59
2025-Q4
Increased
839,773
+159.7%
$134.2M0.6%$159.38
69
2025-Q3
New
323,364
-
$40M0.2%$123.25
48
2024-Q4
Exited
0
-100.0%
$00.0%$103.24
0
2024-Q3
Unchanged
24,100
0.0%
$2.6M0.0%$107.31
0

Other major holders of MKSI: BNP PARIBAS FINANCIAL MARKETS, BlackRock, Inc., Invesco Ltd., VANGUARD PORTFOLIO MANAGEMENT LLC

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