Rossby Financial
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Rossby Financial’s Somnigroup International SGI Stock Holding History

Rossby Financial’s Portfolio SGI Stock Details SGI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$9.6K Buy
154
+37
+32% +$2.5K ﹤0.01% 1528
2026
Q2 		$9.17K Buy
117
+13
+13% +$953 ﹤0.01% 1202
2026
Q1 		$7.66K Buy
104
+57
+121% +$4.94K ﹤0.01% 1348
2025
Q4 		$4.2K Buy
47
+22
+88% +$1.92K ﹤0.01% 1159
2025
Q3 		$2.08K Buy
+25
New +$1.97K ﹤0.01% 1146

Other funds holding SGI

Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $64.1B AUM 28.9% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.8B AUM 33.92% 1-Year Est. Return
Bank of Montreal
Bank of Montreal Toronto, Ontario, Canada $313B AUM 26.62% 1-Year Est. Return
Citigroup
Citigroup New York $308B AUM 40.94% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $500B AUM 36.84% 1-Year Est. Return
Retirement Systems of Alabama
Retirement Systems of Alabama Montgomery, Alabama $33.9B AUM 30.31% 1-Year Est. Return

Rossby Financial's SGI Position: Q3 2026 in Review

Rossby Financial increased its Somnigroup International (SGI) stake by 32% in Q3 2026, buying an estimated $2.5K and bringing the position to 154 shares worth $9.6K. The position accounts for ﹤0.01% of the portfolio, ranked #1528.

Rossby Financial first reported a position in SGI in Q3 2025 and has held it in 5 quarters since. 256 funds tracked by Wall St. Rank hold SGI as of Q3 2026.

  • Rossby Financial held 154 shares of Somnigroup International worth $9.6K as of Q3 2026.
  • Rossby Financial bought 37 Somnigroup International shares in Q3 2026, an estimated $2.5K.
  • Somnigroup International made up ﹤0.01% of Rossby Financial's portfolio in Q3 2026, its #1528 holding.
  • Rossby Financial first reported a position in Somnigroup International in Q3 2025 and has held it in 5 quarters since.
  • 256 funds tracked by Wall St. Rank held Somnigroup International as of Q3 2026.

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