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Woodline Partners’s Interactive Brokers IBKR Stock Holding History

Woodline Partners’s Portfolio IBKR Stock Details IBKR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$16.5M Sell
189,616
-165,133
-47% -$13.7M 0.05% 410
2026
Q1 		$23.8M Buy
354,749
+348,225
+5,338% +$24.9M 0.09% 296
2025
Q4 		$420K Sell
6,524
-52,319
-89% -$3.5M ﹤0.01% 916
2025
Q3 		$4.05M Buy
+58,843
New +$3.7M 0.02% 606

Other funds holding IBKR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
GWM
Greenwich Wealth Management Greenwich, Connecticut $2.74B AUM 36.19% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Woodline Partners's IBKR Position: Q2 2026 in Review

Woodline Partners reduced its Interactive Brokers (IBKR) stake by 47% in Q2 2026, selling an estimated $13.7M and leaving 189,616 shares worth $16.5M. The position accounts for 0.05% of the portfolio, ranked #410.

Woodline Partners first reported a position in IBKR in Q3 2025 and has held it in 4 quarters since. The position peaked at $23.8M in Q1 2026. 1,115 funds tracked by Wall St. Rank hold IBKR as of Q2 2026.

  • Woodline Partners held 189,616 shares of Interactive Brokers worth $16.5M as of Q2 2026.
  • Woodline Partners sold 165,133 Interactive Brokers shares in Q2 2026, an estimated $13.7M.
  • Interactive Brokers made up 0.05% of Woodline Partners's portfolio in Q2 2026, its #410 holding.
  • Woodline Partners first reported a position in Interactive Brokers in Q3 2025 and has held it in 4 quarters since.
  • Woodline Partners's Interactive Brokers position peaked at $23.8M in Q1 2026.
  • 1,115 funds tracked by Wall St. Rank held Interactive Brokers as of Q2 2026.

Based on Woodline Partners's 13F filing for Q2 2026, filed 14 Aug 2026.