Simplex Trading
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Simplex Trading’s Waters Corp WAT Stock Holding History

Simplex Trading’s Portfolio WAT Stock Details WAT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		– Sell
-1,400
Closed -$525K – 10376
2026
Q2 		$525K Buy
+1,400
New +$478K ﹤0.01% 3543
2026
Q1 		– Sell
-5,700
Closed -$2.17M – 10303
2025
Q4 		$2.17M Buy
5,700
+4,000
+235% +$1.47M ﹤0.01% 1915
2025
Q3 		$509K Buy
1,700
+1,300
+325% +$392K ﹤0.01% 3807
2025
Q2 		$139K Sell
400
-5,200
-93% -$1.79M ﹤0.01% 4899
2025
Q1 		$2.06M Buy
5,600
+1,400
+33% +$542K ﹤0.01% 2002
2024
Q4 		$1.56M Sell
4,200
-4,200
-50% -$1.54M ﹤0.01% 2413
2024
Q3 		$3.02M Buy
8,400
+4,400
+110% +$1.43M ﹤0.01% 1915
2024
Q2 		$1.16M Sell
4,000
-2,100
-34% -$670K ﹤0.01% 2768
2024
Q1 		$2.1M Buy
6,100
+2,400
+65% +$789K ﹤0.01% 2367
2023
Q4 		$1.22M Sell
3,700
-4,500
-55% -$1.24M ﹤0.01% 2830
2023
Q3 		$2.25M Buy
8,200
+5,100
+165% +$1.41M ﹤0.01% 1972
2023
Q2 		$826K Buy
+3,100
New +$863K ﹤0.01% 2783
2023
Q1 		– Sell
-2,800
Closed -$959K – 10247
2022
Q4 		$959K Buy
+2,800
New +$886K ﹤0.01% 2505
2022
Q3 		– Sell
-5,800
Closed -$1.92M – 10994
2022
Q2 		$1.92M Sell
5,800
-1,100
-16% -$349K ﹤0.01% 1918
2022
Q1 		$2.14M Buy
6,900
+1,100
+19% +$358K ﹤0.01% 2040
2021
Q4 		$2.16M Buy
5,800
+2,900
+100% +$1.01M ﹤0.01% 1958
2021
Q3 		$1.02M Hold
2,900
– – ﹤0.01% 3041
2021
Q2 		$1M Buy
2,900
+2,882
+16,011% +$912K ﹤0.01% 3121
2021
Q1 		$511K Buy
18
+16
+800% +$4.37K ﹤0.01% 3339
2020
Q4 		$49K Sell
2
-45
-96% -$10.2K ﹤0.01% 6209
2020
Q3 		$919K Buy
47
+27
+135% +$5.61K ﹤0.01% 2320
2020
Q2 		$360K Sell
20
-41
-67% -$7.75K ﹤0.01% 3301
2020
Q1 		$1.11M Sell
61
-18
-23% -$3.8K ﹤0.01% 1782
2019
Q4 		$1.84M Sell
79
-53
-40% -$11.7K ﹤0.01% 1552
2019
Q3 		$2.95M Buy
132
+38
+40% +$8.2K 0.01% 1035
2019
Q2 		$2.02M Buy
94
+9
+11% +$1.97K 0.01% 1305
2019
Q1 		$2.14M Buy
85
+71
+507% +$16.2K 0.01% 1313
2018
Q4 		$264K Sell
14
-9
-39% -$1.71K ﹤0.01% 2859
2018
Q3 		$447K Buy
23
+15
+188% +$2.9K ﹤0.01% 2752
2018
Q2 		$154K Buy
8
+4
+100% +$788 ﹤0.01% 3784
2018
Q1 		$1K Sell
4
-26
-87% -$5.38K ﹤0.01% 5815
2017
Q4 		$8K Buy
30
+28
+1,400% +$5.41K ﹤0.01% 4125
2017
Q3 		$1K Buy
2
+1
+100% +$181 ﹤0.01% 5599
2017
Q2 		$1K Sell
1
-94
-99% -$16.3K ﹤0.01% 5767
2017
Q1 		$15K Buy
95
+29
+44% +$4.33K ﹤0.01% 3595
2016
Q4 		$2K Sell
66
-4
-6% -$571 ﹤0.01% 5145
2016
Q3 		$36K Buy
70
+17
+32% +$2.63K ﹤0.01% 2411
2016
Q2 		$10K Buy
53
+51
+2,550% +$6.9K ﹤0.01% 3625
2016
Q1 		$1K Buy
+2
New +$249 ﹤0.01% 5264
2015
Q4 		– Sell
-12
Closed -$1K – 6213
2015
Q3 		$1K Sell
12
-28
-70% -$3.54K ﹤0.01% 5173
2015
Q2 		$15K Buy
40
+10
+33% +$1.3K ﹤0.01% 2732
2015
Q1 		$27K Sell
30
-17
-36% -$2.03K ﹤0.01% 2085
2014
Q4 		$20K Buy
+47
New +$5.15K ﹤0.01% 2069

Other funds holding WAT

Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $296B AUM 23.14% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return
Mawer Investment Management
Mawer Investment Management Calgary, Alberta, Canada $13.6B AUM 13.16% 1-Year Est. Return
First Eagle Investment Management
First Eagle Investment Management New York $63.7B AUM 20.33% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $474B AUM 32.39% 1-Year Est. Return

Simplex Trading's WAT Position: Q3 2026 in Review

Simplex Trading opened a new position in Waters Corp (WAT) in Q3 2026: 143 shares worth $62.8K. The stake represents ﹤0.01% of the portfolio and ranks #5935 among its holdings. This is a return to the name: Simplex Trading previously reported a position in WAT as recently as Q3 2025.

Simplex Trading first reported a position in WAT in Q4 2014 and has held it in 19 quarters since. The position peaked at $1.24M in Q2 2023. 897 funds tracked by Wall St. Rank hold WAT as of Q3 2026.

  • Simplex Trading held 143 shares of Waters Corp worth $62.8K as of Q3 2026.
  • Waters Corp was a new Simplex Trading position in Q3 2026.
  • Waters Corp made up ﹤0.01% of Simplex Trading's portfolio in Q3 2026, its #5935 holding.
  • Simplex Trading first reported a position in Waters Corp in Q4 2014 and has held it in 19 quarters since.
  • Simplex Trading's Waters Corp position peaked at $1.24M in Q2 2023.
  • 897 funds tracked by Wall St. Rank held Waters Corp as of Q3 2026.

Based on Simplex Trading's 13F filing for Q3 2026, filed 4 Nov 2026.