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O'Shaughnessy Asset Management’s MKS Inc MKSI Stock Holding History

O'Shaughnessy Asset Management’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
Q2 		$1.74M Sell
3,906
-1,265
-24% -$396K 0.01% 977
2026
Q1 		$1.19M Buy
5,171
+2,754
+114% +$623K 0.01% 1098
2025
Q4 		$386K Buy
+2,417
New +$359K ﹤0.01% 1635
2021
Q4 		– Sell
-30
Closed -$5K – 1981
2021
Q3 		$5K Sell
30
-2
-6% -$307 ﹤0.01% 2336
2021
Q2 		$6K Buy
32
+24
+300% +$4.36K ﹤0.01% 2105
2021
Q1 		$1K Hold
8
– – ﹤0.01% 2222
2020
Q4 		$1K Buy
+8
New +$1.05K ﹤0.01% 1959
2020
Q3 		– Sell
-2
Closed – – 1946
2020
Q2 		$0 Sell
2
-9
-82% -$895 ﹤0.01% 1823
2020
Q1 		$1K Sell
11
-295
-96% -$30.2K ﹤0.01% 1229
2019
Q4 		$34K Buy
306
+288
+1,600% +$30.2K ﹤0.01% 1034
2019
Q3 		$2K Buy
18
+5
+38% +$413 ﹤0.01% 866
2019
Q2 		$1K Sell
13
-2,371
-99% -$200K ﹤0.01% 910
2019
Q1 		$221K Sell
2,384
-702
-23% -$56.6K 0.01% 521
2018
Q4 		$200K Sell
3,086
-10,774
-78% -$779K 0.01% 497
2018
Q3 		$1.11M Sell
13,860
-1,497
-10% -$137K 0.02% 246
2018
Q2 		$1.47M Sell
15,357
-918
-6% -$100K 0.03% 215
2018
Q1 		$1.88M Buy
16,275
+5,242
+48% +$576K 0.04% 191
2017
Q4 		$1.04M Buy
+11,033
New +$1.1M 0.02% 266
2017
Q3 		– Sell
-981
Closed -$66K – 954
2017
Q2 		$66K Sell
981
-64
-6% -$4.85K ﹤0.01% 696
2017
Q1 		$72K Sell
1,045
-9
-0.9% -$592 ﹤0.01% 665
2016
Q4 		$63K Sell
1,054
-3,175
-75% -$171K ﹤0.01% 689
2016
Q3 		$210K Buy
+4,229
New +$199K ﹤0.01% 482
2015
Q4 		– Sell
-50,161
Closed -$1.68M – 967
2015
Q3 		$1.68M Sell
50,161
-15,613
-24% -$543K 0.04% 255
2015
Q2 		$2.5M Sell
65,774
-12
-0% -$437 0.05% 213
2015
Q1 		$2.22M Buy
65,786
+6,504
+11% +$229K 0.04% 218
2014
Q4 		$2.16M Buy
59,282
+46,278
+356% +$1.64M 0.04% 233
2014
Q3 		$433K Buy
+13,004
New +$426K 0.01% 419

Other funds holding MKSI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
AMH
Aspex Management (HK) Central, Hong Kong $8.89B AUM 39.91% 1-Year Est. Return

O'Shaughnessy Asset Management's MKSI Position: Q2 2026 in Review

O'Shaughnessy Asset Management reduced its MKS Inc (MKSI) stake by 24% in Q2 2026, selling an estimated $396K and leaving 3,906 shares worth $1.74M. The position accounts for 0.01% of the portfolio, ranked #977.

O'Shaughnessy Asset Management first reported a position in MKSI in Q3 2014 and has held it in 27 quarters since. The position peaked at $2.5M in Q2 2015. 776 funds tracked by Wall St. Rank hold MKSI as of Q2 2026.

  • O'Shaughnessy Asset Management held 3,906 shares of MKS Inc worth $1.74M as of Q2 2026.
  • O'Shaughnessy Asset Management sold 1,265 MKS Inc shares in Q2 2026, an estimated $396K.
  • MKS Inc made up 0.01% of O'Shaughnessy Asset Management's portfolio in Q2 2026, its #977 holding.
  • O'Shaughnessy Asset Management first reported a position in MKS Inc in Q3 2014 and has held it in 27 quarters since.
  • O'Shaughnessy Asset Management's MKS Inc position peaked at $2.5M in Q2 2015.
  • 776 funds tracked by Wall St. Rank held MKS Inc as of Q2 2026.

Based on O'Shaughnessy Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.