Loomis, Sayles & Company’s MKS Inc MKSI Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$29.2M Sell
127,131
-57,102
-31% -$12.9M 0.04% 170
2025
Q4
$29.4M Sell
184,233
-27,405
-13% -$4.07M 0.04% 177
2025
Q3
$26.2M Buy
211,638
+29,328
+16% +$3.13M 0.03% 199
2025
Q2
$18.1M Sell
182,310
-100,282
-35% -$8.15M 0.02% 257
2025
Q1
$22.6M Sell
282,592
-4,982
-2% -$503K 0.03% 222
2024
Q4
$30M Sell
287,574
-8,077
-3% -$872K 0.04% 197
2024
Q3
$32.1M Buy
295,651
+44,747
+18% +$5.32M 0.04% 185
2024
Q2
$32.8M Buy
250,904
+130,036
+108% +$16.4M 0.05% 172
2024
Q1
$16.1M Sell
120,868
-1,970
-2% -$229K 0.02% 288
2023
Q4
$12.6M Buy
+122,838
New +$9.98M 0.02% 303
2023
Q2
Sell
-135
Closed -$12K 1037
2023
Q1
$12K Buy
+135
New +$12.9K ﹤0.01% 799
2022
Q4
Sell
-211,610
Closed -$17.5M 937
2022
Q3
$17.5M Sell
211,610
-2,064
-1% -$212K 0.04% 229
2022
Q2
$21.9M Sell
213,674
-25,565
-11% -$2.98M 0.04% 232
2022
Q1
$35.9M Buy
239,239
+7,573
+3% +$1.18M 0.05% 193
2021
Q4
$40.4M Sell
231,666
-2,456
-1% -$384K 0.05% 201
2021
Q3
$35.3M Sell
234,122
-60,793
-21% -$9.33M 0.04% 223
2021
Q2
$52.5M Buy
294,915
+11,089
+4% +$2.01M 0.06% 138
2021
Q1
$52.6M Sell
283,826
-40,073
-12% -$6.73M 0.07% 128
2020
Q4
$48.7M Buy
323,899
+38,832
+14% +$5.08M 0.06% 138
2020
Q3
$31.1M Buy
285,067
+13,754
+5% +$1.61M 0.05% 166
2020
Q2
$30.7M Buy
271,313
+12,809
+5% +$1.27M 0.05% 155
2020
Q1
$21.1M Buy
258,504
+91,520
+55% +$9.37M 0.04% 155
2019
Q4
$18.4M Buy
166,984
+14,427
+9% +$1.51M 0.03% 232
2019
Q3
$14.1M Buy
+152,557
New +$12.6M 0.03% 277
2019
Q2
Sell
-217,076
Closed -$20.2M 678
2019
Q1
$20.2M Sell
217,076
-11,123
-5% -$897K 0.04% 200
2018
Q4
$14.7M Buy
228,199
+3,873
+2% +$280K 0.03% 227
2018
Q3
$18M Sell
224,326
-2,464
-1% -$225K 0.04% 242
2018
Q2
$21.7M Buy
226,790
+2,031
+0.9% +$222K 0.04% 232
2018
Q1
$26M Sell
224,759
-88,075
-28% -$9.67M 0.06% 180
2017
Q4
$29.6M Sell
312,834
-25,428
-8% -$2.53M 0.06% 172
2017
Q3
$31.9M Sell
338,262
-63,620
-16% -$5.2M 0.07% 162
2017
Q2
$27M Sell
401,882
-13,612
-3% -$1.03M 0.06% 194
2017
Q1
$28.6M Sell
415,494
-133,329
-24% -$8.78M 0.07% 177
2016
Q4
$32.6M Sell
548,823
-28,572
-5% -$1.54M 0.08% 162
2016
Q3
$28.7M Sell
577,395
-26,206
-4% -$1.24M 0.07% 168
2016
Q2
$26M Buy
603,601
+11,413
+2% +$443K 0.07% 196
2016
Q1
$22.3M Sell
592,188
-4,089
-0.7% -$140K 0.06% 225
2015
Q4
$21.5M Sell
596,277
-2,468
-0.4% -$87.9K 0.06% 257
2015
Q3
$20.1M Sell
598,745
-592
-0.1% -$20.6K 0.06% 283
2015
Q2
$22.7M Buy
599,337
+21,520
+4% +$784K 0.06% 285
2015
Q1
$19.5M Buy
577,817
+22,902
+4% +$805K 0.05% 343
2014
Q4
$20.3M Buy
554,915
+54,634
+11% +$1.93M 0.06% 325
2014
Q3
$16.7M Buy
+500,281
New +$16.4M 0.05% 384

Other funds holding MKSI

Loomis, Sayles & Company's MKSI Position: Q1 2026 in Review

Loomis, Sayles & Company reduced its MKS Inc (MKSI) stake by 31% in Q1 2026, selling an estimated $12.9M and leaving 127,131 shares worth $29.2M. The position accounts for 0.04% of the portfolio, ranked #170.

Loomis, Sayles & Company first reported a position in MKSI in Q3 2014 and has held it in 43 quarters since. The position peaked at $52.6M in Q1 2021. 615 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.

  • Loomis, Sayles & Company held 127,131 shares of MKS Inc worth $29.2M as of Q1 2026.
  • Loomis, Sayles & Company sold 57,102 MKS Inc shares in Q1 2026, an estimated $12.9M.
  • MKS Inc made up 0.04% of Loomis, Sayles & Company's portfolio in Q1 2026, its #170 holding.
  • Loomis, Sayles & Company first reported a position in MKS Inc in Q3 2014 and has held it in 43 quarters since.
  • Loomis, Sayles & Company's MKS Inc position peaked at $52.6M in Q1 2021.
  • 615 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.

Based on Loomis, Sayles & Company's 13F filing for Q1 2026, filed 14 May 2026.