Simplex Trading
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Simplex Trading’s GSK GSK Stock Holding History

Simplex Trading’s Portfolio GSK Stock Details GSK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$8.7M Sell
157,600
-106,400
-40% -$5.77M 0.01% 758
2025
Q4 		$12.9M Sell
264,000
-6,500
-2% -$303K 0.01% 719
2025
Q3 		$11.7M Sell
270,500
-66,500
-20% -$2.6M 0.01% 866
2025
Q2 		$12.9M Buy
337,000
+97,200
+41% +$3.71M 0.01% 732
2025
Q1 		$9.29M Buy
239,800
+87,700
+58% +$3.21M 0.01% 938
2024
Q4 		$5.14M Sell
152,100
-17,700
-10% -$637K ﹤0.01% 1461
2024
Q3 		$6.94M Sell
169,800
-19,500
-10% -$798K ﹤0.01% 1262
2024
Q2 		$7.29M Sell
189,300
-26,800
-12% -$1.13M ﹤0.01% 1213
2024
Q1 		$9.26M Sell
216,100
-92,600
-30% -$3.82M 0.01% 1173
2023
Q4 		$10.7M Sell
308,700
-63,700
-17% -$2.29M 0.01% 1039
2023
Q3 		$12.8M Sell
372,400
-26,800
-7% -$951K 0.01% 811
2023
Q2 		$13.5M Buy
399,200
+39,300
+11% +$1.41M 0.01% 738
2023
Q1 		$12.1M Sell
359,900
-185,400
-34% -$6.49M 0.01% 803
2022
Q4 		$14.9M Sell
545,300
-204,200
-27% -$6.8M 0.02% 680
2022
Q3 		$19.3M Buy
749,500
+546,940
+270% +$20.7M 0.02% 524
2022
Q2 		$11M Buy
202,560
+21,920
+12% +$1.21M 0.01% 757
2022
Q1 		$9.84M Buy
180,640
+20,720
+13% +$1.13M 0.01% 851
2021
Q4 		$8.81M Buy
159,920
+75,920
+90% +$3.95M 0.01% 853
2021
Q3 		$4.22M Buy
84,000
+3,760
+5% +$189K ﹤0.01% 1355
2021
Q2 		$3.99M Buy
80,240
+79,410
+9,567% +$3.82M ﹤0.01% 1397
2021
Q1 		$3.7M Sell
830
-415
-33% -$18.8K 0.01% 1061
2020
Q4 		$5.73M Buy
1,245
+88
+8% +$4.04K 0.01% 898
2020
Q3 		$5.44M Buy
1,157
+4
+0.3% +$200 0.01% 815
2020
Q2 		$5.88M Buy
1,153
+4
+0.3% +$205 0.01% 765
2020
Q1 		$5.44M Buy
1,149
+112
+11% +$5.97K 0.01% 664
2019
Q4 		$6.09M Sell
1,037
-374
-27% -$20.8K 0.01% 680
2019
Q3 		$7.53M Buy
1,411
+585
+71% +$30.1K 0.02% 513
2019
Q2 		$4.13M Buy
826
+16
+2% +$803 0.01% 790
2019
Q1 		$4.23M Buy
810
+2
+0.2% +$100 0.01% 795
2018
Q4 		$3.86M Buy
808
+278
+52% +$13.7K 0.01% 696
2018
Q3 		$2.66M Buy
530
+319
+151% +$16.2K 0.01% 1018
2018
Q2 		$1.06M Buy
211
+5
+2% +$252 ﹤0.01% 1732
2018
Q1 		$25K Buy
206
+52
+34% +$2.42K ﹤0.01% 3123
2017
Q4 		$28K Sell
154
-41
-21% -$1.89K ﹤0.01% 2987
2017
Q3 		$17K Buy
195
+6
+3% +$304 ﹤0.01% 3290
2017
Q2 		$17K Sell
189
-182
-49% -$9.7K ﹤0.01% 3458
2017
Q1 		$29K Sell
371
-29
-7% -$1.47K ﹤0.01% 2871
2016
Q4 		$67K Sell
400
-58
-13% -$2.87K ﹤0.01% 1873
2016
Q3 		$116K Buy
458
+80
+21% +$4.39K 0.01% 1417
2016
Q2 		$119K Sell
378
-318
-46% -$16.8K 0.01% 1354
2016
Q1 		$156K Sell
696
-88
-11% -$4.38K 0.01% 1023
2015
Q4 		$256K Buy
784
+518
+195% +$26.4K 0.02% 721
2015
Q3 		$224K Sell
266
-116
-30% -$6.04K 0.02% 841
2015
Q2 		$206K Buy
382
+200
+110% +$11.3K 0.02% 780
2015
Q1 		$46K Sell
182
-45
-20% -$2.58K 0.01% 1626
2014
Q4 		$141K Buy
+227
New +$12.7K 0.02% 750

Other funds holding GSK

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
Fisher Asset Management
Fisher Asset Management Camas, Washington $295B AUM 31.6% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
JEST
JTC Employer Solutions Trustee St Helier, Jersey $1.2B AUM 37.55% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

Simplex Trading's GSK Position: Q4 2025 in Review

Simplex Trading sold out of GSK (GSK) in Q4 2025, closing a stake of 71,404 shares — an estimated $3.33M sold.

Simplex Trading first reported a position in GSK in Q4 2014 and held it in 28 quarters. The position peaked at $11.7M in Q3 2022. 995 funds tracked by Wall St. Rank hold GSK as of Q4 2025.

  • Simplex Trading reported no remaining GSK position as of Q4 2025 after selling out during the quarter.
  • Simplex Trading sold 71,404 GSK shares in Q4 2025, an estimated $3.33M.
  • Simplex Trading first reported a position in GSK in Q4 2014 and held it in 28 quarters.
  • Simplex Trading's GSK position peaked at $11.7M in Q3 2022.
  • 995 funds tracked by Wall St. Rank held GSK as of Q4 2025.

Based on Simplex Trading's 13F filing for Q4 2025, filed 11 Feb 2026.