Rossby Financial
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Rossby Financial’s ATI ATI Stock Holding History

Rossby Financial’s Portfolio ATI Stock Details ATI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$14.4K Buy
76
+5
+7% +$998 ﹤0.01% 1379
2026
Q2 		$14K Buy
71
+4
+6% +$678 ﹤0.01% 1076
2026
Q1 		$10.1K Buy
67
+16
+31% +$2.23K ﹤0.01% 1245
2025
Q4 		$5.85K Buy
+51
New +$4.97K ﹤0.01% 1071

Other funds holding ATI

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Bessemer Group
Bessemer Group Woodbridge, New Jersey $72.8B AUM 32.97% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Fisher Asset Management
Fisher Asset Management Camas, Washington $348B AUM 26.9% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return
Bowen Hanes & Co
Bowen Hanes & Co Ponte Vedra Beach, Florida $4.43B AUM 31.44% 1-Year Est. Return
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $64.1B AUM 28.9% 1-Year Est. Return
Artemis Investment Management
Artemis Investment Management Edinburgh, United Kingdom $11.5B AUM 61.77% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $103B AUM 40.17% 1-Year Est. Return

Rossby Financial's ATI Position: Q3 2026 in Review

Rossby Financial increased its ATI (ATI) stake by 7% in Q3 2026, buying an estimated $998 and bringing the position to 76 shares worth $14.4K. The position accounts for ﹤0.01% of the portfolio, ranked #1379.

Rossby Financial first reported a position in ATI in Q4 2025 and has held it in 4 quarters since. 478 funds tracked by Wall St. Rank hold ATI as of Q3 2026.

  • Rossby Financial held 76 shares of ATI worth $14.4K as of Q3 2026.
  • Rossby Financial bought 5 ATI shares in Q3 2026, an estimated $998.
  • ATI made up ﹤0.01% of Rossby Financial's portfolio in Q3 2026, its #1379 holding.
  • Rossby Financial first reported a position in ATI in Q4 2025 and has held it in 4 quarters since.
  • 478 funds tracked by Wall St. Rank held ATI as of Q3 2026.

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