Rossby Financial
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Rossby Financial’s GSK GSK Stock Holding History

Rossby Financial’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
Q3 		$65.6K Buy
1,362
+1,186
+674% +$60.6K 0.01% 828
2026
Q2 		$9.23K Buy
176
+84
+91% +$4.44K ﹤0.01% 1200
2026
Q1 		$5.15K Buy
92
+86
+1,433% +$4.66K ﹤0.01% 1485
2025
Q4 		$294 Buy
+6
New +$280 ﹤0.01% 1716
2025
Q3 		– Sell
-105
Closed -$4.03K – 1497
2025
Q2 		$4.03K Buy
105
+11
+12% +$420 ﹤0.01% 934
2025
Q1 		$3.52K Buy
+94
New +$3.44K ﹤0.01% 845

Other funds holding GSK

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Fisher Asset Management
Fisher Asset Management Camas, Washington $348B AUM 26.9% 1-Year Est. Return
JTC Employer Solutions Trustee
JTC Employer Solutions Trustee St Helier, Jersey $1.16B AUM 24.39% 1-Year Est. Return
Mondrian Investment Partners
Mondrian Investment Partners London, United Kingdom $5.39B AUM 14.53% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $85.7B AUM 51.02% 1-Year Est. Return
Equity Investment Corp
Equity Investment Corp Atlanta, Georgia $5.3B AUM 8.71% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
Connor, Clark & Lunn Investment Management (CC&L)
Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $57.2B AUM 42.49% 1-Year Est. Return
Bank of Montreal
Bank of Montreal Toronto, Ontario, Canada $313B AUM 26.62% 1-Year Est. Return

Rossby Financial's GSK Position: Q3 2026 in Review

Rossby Financial increased its GSK (GSK) stake by 674% in Q3 2026, buying an estimated $60.6K and bringing the position to 1,362 shares worth $65.6K. The position accounts for 0.01% of the portfolio, ranked #828.

Rossby Financial first reported a position in GSK in Q1 2025 and has held it in 6 quarters since. 654 funds tracked by Wall St. Rank hold GSK as of Q3 2026.

  • Rossby Financial held 1,362 shares of GSK worth $65.6K as of Q3 2026.
  • Rossby Financial bought 1,186 GSK shares in Q3 2026, an estimated $60.6K.
  • GSK made up 0.01% of Rossby Financial's portfolio in Q3 2026, its #828 holding.
  • Rossby Financial first reported a position in GSK in Q1 2025 and has held it in 6 quarters since.
  • 654 funds tracked by Wall St. Rank held GSK as of Q3 2026.

Based on Rossby Financial's 13F filing for Q3 2026, filed 5 Nov 2026.