Lord, Abbett & Co
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Lord, Abbett & Co’s MKS Inc MKSI Stock Holding History

Lord, Abbett & Co’s Portfolio MKSI Stock Details MKSI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$20.2M Buy
+87,869
New +$19.9M 0.07% 273
2022
Q4 		– Sell
-264,358
Closed -$21.8M – 619
2022
Q3 		$21.8M Sell
264,358
-231,292
-47% -$23.8M 0.08% 317
2022
Q2 		$50.9M Sell
495,650
-5,724
-1% -$667K 0.18% 163
2022
Q1 		$75.2M Sell
501,374
-49,520
-9% -$7.69M 0.2% 151
2021
Q4 		$95.9M Buy
550,894
+175,767
+47% +$27.5M 0.22% 147
2021
Q3 		$56.6M Sell
375,127
-192,564
-34% -$29.6M 0.14% 230
2021
Q2 		$101M Sell
567,691
-20,408
-3% -$3.71M 0.24% 119
2021
Q1 		$109M Buy
588,099
+75,191
+15% +$12.6M 0.28% 102
2020
Q4 		$77.2M Buy
512,908
+105,924
+26% +$13.9M 0.2% 156
2020
Q3 		$44.5M Buy
406,984
+55,445
+16% +$6.5M 0.14% 230
2020
Q2 		$39.8M Buy
351,539
+17,619
+5% +$1.75M 0.14% 233
2020
Q1 		$27.2M Buy
333,920
+9,352
+3% +$957K 0.12% 266
2019
Q4 		$35.7M Buy
324,568
+120,269
+59% +$12.6M 0.12% 268
2019
Q3 		$18.9M Buy
+204,299
New +$16.9M 0.06% 416
2018
Q2 		– Sell
-129,866
Closed -$15M – 874
2018
Q1 		$15M Buy
+129,866
New +$14.3M 0.04% 533
2017
Q2 		– Sell
-165,486
Closed -$11.4M – 905
2017
Q1 		$11.4M Sell
165,486
-15,889
-9% -$1.05M 0.03% 567
2016
Q4 		$10.8M Buy
181,375
+73,375
+68% +$3.96M 0.03% 550
2016
Q3 		$5.37M Buy
+108,000
New +$5.09M 0.02% 717

Other funds holding MKSI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Lord, Abbett & Co's MKSI Position: Q1 2026 in Review

Lord, Abbett & Co opened a new position in MKS Inc (MKSI) in Q1 2026: 87,869 shares worth $20.2M. The stake represents 0.07% of the portfolio and ranks #273 among its holdings. This is a return to the name: Lord, Abbett & Co previously reported a position in MKSI as recently as Q3 2022.

Lord, Abbett & Co first reported a position in MKSI in Q3 2016 and has held it in 18 quarters since. The position peaked at $109M in Q1 2021. 615 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.

  • Lord, Abbett & Co held 87,869 shares of MKS Inc worth $20.2M as of Q1 2026.
  • MKS Inc was a new Lord, Abbett & Co position in Q1 2026.
  • MKS Inc made up 0.07% of Lord, Abbett & Co's portfolio in Q1 2026, its #273 holding.
  • Lord, Abbett & Co first reported a position in MKS Inc in Q3 2016 and has held it in 18 quarters since.
  • Lord, Abbett & Co's MKS Inc position peaked at $109M in Q1 2021.
  • 615 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.

Based on Lord, Abbett & Co's 13F filing for Q1 2026, filed 14 May 2026.