Ken Griffin’s Ametek AME Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$310M Sell
1,445,049
-290,552
-17% -$64.6M 0.05% 301
2025
Q4
$356M Buy
1,735,601
+492,353
+40% +$95.8M 0.05% 277
2025
Q3
$234M Buy
1,243,248
+640,756
+106% +$118M 0.04% 413
2025
Q2
$109M Buy
602,492
+323,274
+116% +$55.6M 0.02% 713
2025
Q1
$48.1M Sell
279,218
-226,606
-45% -$41.2M 0.01% 1183
2024
Q4
$91.2M Buy
505,824
+475,087
+1,546% +$86.5M 0.02% 787
2024
Q3
$5.28M Sell
30,737
-79,765
-72% -$13.3M ﹤0.01% 3849
2024
Q2
$18.4M Sell
110,502
-155,320
-58% -$26.8M ﹤0.01% 2078
2024
Q1
$48.6M Buy
265,822
+265,574
+107,086% +$45.7M 0.01% 1237
2023
Q4
$40.9K Sell
248
-204,830
-100% -$31.2M ﹤0.01% 11992
2023
Q3
$30.3M Buy
205,078
+121,619
+146% +$19M 0.01% 1492
2023
Q2
$13.5M Sell
83,459
-480,612
-85% -$70.2M ﹤0.01% 2308
2023
Q1
$82M Sell
564,071
-25,202
-4% -$3.58M 0.02% 732
2022
Q4
$82.3M Sell
589,273
-749,349
-56% -$99.3M 0.02% 758
2022
Q3
$152M Buy
1,338,622
+270,597
+25% +$32.4M 0.03% 413
2022
Q2
$117M Sell
1,068,025
-618,856
-37% -$75.2M 0.03% 494
2022
Q1
$225M Buy
1,686,881
+1,054,220
+167% +$142M 0.05% 300
2021
Q4
$93M Sell
632,661
-1,094,731
-63% -$150M 0.02% 704
2021
Q3
$214M Buy
1,727,392
+168,202
+11% +$22.6M 0.04% 318
2021
Q2
$208M Sell
1,559,190
-66,782
-4% -$8.94M 0.05% 300
2021
Q1
$208M Sell
1,625,972
-842,515
-34% -$102M 0.05% 271
2020
Q4
$299M Buy
2,468,487
+282,762
+13% +$31.8M 0.08% 159
2020
Q3
$217M Sell
2,185,725
-667,795
-23% -$64.6M 0.06% 179
2020
Q2
$255M Buy
2,853,520
+79,034
+3% +$6.63M 0.09% 123
2020
Q1
$200M Buy
2,774,486
+1,365,006
+97% +$123M 0.09% 136
2019
Q4
$141M Sell
1,409,480
-1,903,224
-57% -$180M 0.06% 275
2019
Q3
$304M Sell
3,312,704
-898,884
-21% -$79.3M 0.14% 81
2019
Q2
$383M Sell
4,211,588
-392,781
-9% -$33.7M 0.18% 58
2019
Q1
$382M Buy
4,604,369
+935,196
+25% +$71.1M 0.19% 49
2018
Q4
$248M Buy
3,669,173
+411,280
+13% +$29.5M 0.14% 88
2018
Q3
$258M Sell
3,257,893
-128,585
-4% -$9.85M 0.11% 121
2018
Q2
$244M Buy
3,386,478
+1,940,478
+134% +$144M 0.12% 113
2018
Q1
$110M Buy
1,446,000
+161,968
+13% +$12.3M 0.06% 293
2017
Q4
$93.1M Buy
1,284,032
+23,001
+2% +$1.6M 0.06% 358
2017
Q3
$83.3M Buy
1,261,031
+1,187,888
+1,624% +$75.1M 0.06% 320
2017
Q2
$4.43M Buy
+73,143
New +$4.31M ﹤0.01% 2250
2017
Q1
Sell
-576,303
Closed -$30.4M 7389
2016
Q4
$28M Sell
576,303
-3,585,087
-86% -$170M 0.03% 650
2016
Q3
$199M Buy
4,161,390
+3,175,984
+322% +$151M 0.2% 58
2016
Q2
$45.6M Sell
985,406
-319,201
-24% -$15.4M 0.05% 378
2016
Q1
$65.2M Buy
1,304,607
+1,168,812
+861% +$55.7M 0.08% 217
2015
Q4
$7.28M Buy
135,795
+107,667
+383% +$5.91M 0.01% 1511
2015
Q3
$1.47M Buy
+28,128
New +$1.52M ﹤0.01% 3325
2015
Q1
Sell
-4,414
Closed -$226K 8485
2014
Q4
$232K Sell
4,414
-765,159
-99% -$38.9M ﹤0.01% 5799
2014
Q3
$38.6M Buy
769,573
+358,967
+87% +$18.6M 0.04% 540
2014
Q2
$21.5M Buy
410,606
+395,147
+2,556% +$20.8M 0.02% 766
2014
Q1
$796K Buy
15,459
+3,032
+24% +$157K ﹤0.01% 3713
2013
Q4
$655K Sell
12,427
-40,773
-77% -$1.97M ﹤0.01% 3697
2013
Q3
$2.45M Sell
53,200
-498,516
-90% -$22.5M ﹤0.01% 2220
2013
Q2
$23.3M Buy
+551,716
New +$23M 0.04% 577

Other funds holding AME

Ken Griffin's AME Position: Q1 2026 in Review

Ken Griffin reduced its Ametek (AME) stake by 17% in Q1 2026, selling an estimated $64.6M and leaving 1,445,049 shares worth $310M. The position accounts for 0.05% of the portfolio, ranked #301.

Ken Griffin first reported a position in AME in Q2 2013 and has held it in 49 quarters since. The position peaked at $383M in Q2 2019. 1,156 funds tracked by Wall St. Rank hold AME as of Q1 2026.

  • Ken Griffin held 1,445,049 shares of Ametek worth $310M as of Q1 2026.
  • Ken Griffin sold 290,552 Ametek shares in Q1 2026, an estimated $64.6M.
  • Ametek made up 0.05% of Ken Griffin's portfolio in Q1 2026, its #301 holding.
  • Ken Griffin first reported a position in Ametek in Q2 2013 and has held it in 49 quarters since.
  • Ken Griffin's Ametek position peaked at $383M in Q2 2019.
  • 1,156 funds tracked by Wall St. Rank held Ametek as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.