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 		$5.63M Sell
102,000
-53,200
-34% -$2.88M ﹤0.01% 1037
2025
Q4 		$7.61M Sell
155,200
-88,600
-36% -$4.13M ﹤0.01% 1026
2025
Q3 		$10.5M Sell
243,800
-20,900
-8% -$816K 0.01% 938
2025
Q2 		$10.2M Sell
264,700
-85,100
-24% -$3.25M 0.01% 881
2025
Q1 		$13.6M Sell
349,800
-217,300
-38% -$7.96M 0.01% 705
2024
Q4 		$19.2M Buy
567,100
+11,900
+2% +$428K 0.01% 661
2024
Q3 		$22.7M Buy
555,200
+263,700
+90% +$10.8M 0.01% 589
2024
Q2 		$11.2M Sell
291,500
-73,700
-20% -$3.1M 0.01% 942
2024
Q1 		$15.7M Sell
365,200
-203,100
-36% -$8.38M 0.01% 848
2023
Q4 		$19.8M Buy
568,300
+77,300
+16% +$2.78M 0.01% 727
2023
Q3 		$16.5M Buy
491,000
+180,400
+58% +$6.4M 0.01% 679
2023
Q2 		$9.82M Sell
310,600
-19,500
-6% -$699K 0.01% 901
2023
Q1 		$10.5M Sell
330,100
-269,100
-45% -$9.41M 0.01% 870
2022
Q4 		$18.4M Sell
599,200
-49,800
-8% -$1.66M 0.02% 591
2022
Q3 		$16.4M Buy
649,000
+317,560
+96% +$12M 0.02% 580
2022
Q2 		$18M Buy
331,440
+70,720
+27% +$3.9M 0.02% 551
2022
Q1 		$14.2M Buy
260,720
+2,800
+1% +$152K 0.01% 668
2021
Q4 		$14.2M Buy
257,920
+114,720
+80% +$5.97M 0.01% 635
2021
Q3 		$7.19M Buy
143,200
+7,520
+6% +$378K 0.01% 927
2021
Q2 		$6.75M Buy
135,680
+134,507
+11,467% +$6.46M 0.01% 948
2021
Q1 		$5.23M Sell
1,173
-574
-33% -$26.1K 0.01% 785
2020
Q4 		$8.04M Buy
1,747
+430
+33% +$19.8K 0.01% 686
2020
Q3 		$6.2M Buy
1,317
+321
+32% +$16.1K 0.01% 734
2020
Q2 		$5.08M Sell
996
-798
-44% -$40.9K 0.01% 849
2020
Q1 		$8.49M Buy
1,794
+468
+35% +$25K 0.02% 475
2019
Q4 		$7.79M Sell
1,326
-64
-5% -$3.56K 0.02% 571
2019
Q3 		$7.42M Sell
1,390
-29
-2% -$1.49K 0.02% 522
2019
Q2 		$7.1M Buy
1,419
+390
+38% +$19.6K 0.02% 524
2019
Q1 		$5.37M Buy
1,029
+391
+61% +$19.5K 0.01% 632
2018
Q4 		$3.04M Buy
638
+259
+68% +$12.8K 0.01% 831
2018
Q3 		$1.9M Sell
379
-23
-6% -$1.17K 0.01% 1291
2018
Q2 		$2.02M Sell
402
-1,348
-77% -$67.9K 0.01% 1135
2018
Q1 		$381K Buy
1,750
+1,312
+300% +$61.1K 0.02% 857
2017
Q4 		$9K Sell
438
-696
-61% -$32.2K ﹤0.01% 3988
2017
Q3 		$50K Buy
1,134
+48
+4% +$2.44K ﹤0.01% 2301
2017
Q2 		$177K Buy
1,086
+416
+62% +$22.2K 0.01% 1275
2017
Q1 		$107K Sell
670
-588
-47% -$29.8K ﹤0.01% 1689
2016
Q4 		$67K Sell
1,258
-45
-3% -$2.22K ﹤0.01% 1872
2016
Q3 		$69K Buy
1,303
+342
+36% +$18.8K ﹤0.01% 1833
2016
Q2 		$249K Buy
961
+699
+267% +$36.8K 0.02% 869
2016
Q1 		$23K Sell
262
-370
-59% -$18.4K ﹤0.01% 2677
2015
Q4 		$31K Buy
632
+421
+200% +$21.5K ﹤0.01% 2310
2015
Q3 		$10K Buy
211
+21
+11% +$1.09K ﹤0.01% 3437
2015
Q2 		$4K Buy
190
+8
+4% +$450 ﹤0.01% 3810
2015
Q1 		$8K Sell
182
-70
-28% -$4.01K ﹤0.01% 3115
2014
Q4 		$17K Buy
+252
New +$14.1K ﹤0.01% 2176

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.