Adage Capital Partners’s GSK GSK Stock Holding History

Adage Capital Partners’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
2025 Q3	–	Sell	-8,967	Closed	-$344K	–	929
2025 Q2	$344K	Buy	+8,967	New	+$343K	﹤0.01%	821
2024 Q2	–	Sell	-1,304,320	Closed	-$55.9M	–	901
2024 Q1	$55.9M	Buy	1,304,320 +488,280	+60%	+$20.1M	0.11%	207
2023 Q4	$30.2M	Sell	816,040 -428,471	-34%	-$15.4M	0.06%	316
2023 Q3	$45.1M	Buy	+1,244,511	New	+$44.2M	0.1%	218
2022 Q1	–	Sell	-208,000	Closed	-$11.5M	–	1103
2021 Q4	$11.5M	Buy	+208,000	New	+$10.8M	0.02%	659
2018 Q1	–	Sell	-340,000	Closed	-$15.1M	–	740
2017 Q4	$15.1M	Sell	340,000 -140,000	-29%	-$6.47M	0.03%	493
2017 Q3	$24.4M	Sell	480,000 -200,000	-29%	-$10.1M	0.06%	369
2017 Q2	$36.7M	Sell	680,000 -280,000	-29%	-$14.9M	0.09%	291
2017 Q1	$50.6M	Buy	960,000 +320,000	+50%	+$16.2M	0.13%	222
2016 Q4	$30.8M	Hold	640,000	–	–	0.08%	288
2016 Q3	$34.5M	Hold	640,000	–	–	0.1%	284
2016 Q2	$34.7M	Sell	640,000 -60,000	-9%	-$3.16M	0.09%	258
2016 Q1	$35.5M	Sell	700,000 -200,000	-22%	-$9.96M	0.1%	250
2015 Q4	$45.4M	Sell	900,000 -140,000	-13%	-$7.14M	0.12%	210
2015 Q3	$50M	Buy	+1,040,000	New	+$54.1M	0.14%	197
2013 Q3	–	Sell	-260,000	Closed	-$16.2M	–	699
2013 Q2	$16.2M	Buy	+260,000	New	+$16.5M	0.05%	410

Other funds holding GSK

Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Fisher Asset Management Camas, Washington $295B AUM 31.6% 1-Year Est. Return

Primecap Management Pasadena, California $127B AUM 44.11% 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 Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Holocene Advisors New York $41.5B AUM 42.97% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Adage Capital Partners's GSK Position: Q3 2025 in Review

Adage Capital Partners sold out of GSK (GSK) in Q3 2025, closing a stake of 8,967 shares — an estimated $344K sold.

Adage Capital Partners first reported a position in GSK in Q2 2013 and held it in 16 quarters. The position peaked at $55.9M in Q1 2024. 895 funds tracked by Wall St. Rank hold GSK as of Q3 2025.

Adage Capital Partners reported no remaining GSK position as of Q3 2025 after selling out during the quarter.
Adage Capital Partners sold 8,967 GSK shares in Q3 2025, an estimated $344K.
Adage Capital Partners first reported a position in GSK in Q2 2013 and held it in 16 quarters.
Adage Capital Partners's GSK position peaked at $55.9M in Q1 2024.
895 funds tracked by Wall St. Rank held GSK as of Q3 2025.

Based on Adage Capital Partners's 13F filing for Q3 2025, filed 14 Nov 2025.