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Winmill & Co’s Interactive Brokers IBKR Stock Holding History

Winmill & Co’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 		$28.5M Hold
327,200
– – 6.31% 4
2026
Q1 		$21.9M Hold
327,200
– – 6.33% 5
2025
Q4 		$21M Hold
327,200
– – 5.61% 4
2025
Q3 		$22.5M Hold
327,200
– – 5.46% 4
2025
Q2 		$18.1M Hold
327,200
– – 5.04% 6
2025
Q1 		$13.5M Hold
327,200
– – 4.12% 7
2024
Q4 		$14.5M Hold
327,200
– – 4.68% 7
2024
Q3 		$11.4M Hold
327,200
– – 3.84% 10
2024
Q2 		$10M Hold
327,200
– – 3.42% 9
2024
Q1 		$9.14M Hold
327,200
– – 2.6% 18
2023
Q4 		$6.78M Buy
+327,200
New +$6.7M 2.17% 21

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

Winmill & Co's IBKR Position: Q2 2026 in Review

Winmill & Co held its Interactive Brokers (IBKR) position steady in Q2 2026 at 327,200 shares worth $28.5M. The position accounts for 6.31% of the portfolio, ranked #4.

Winmill & Co first reported a position in IBKR in Q4 2023 and has held it in 11 quarters since. 1,115 funds tracked by Wall St. Rank hold IBKR as of Q2 2026.

  • Winmill & Co held 327,200 shares of Interactive Brokers worth $28.5M as of Q2 2026.
  • Winmill & Co left its Interactive Brokers share count unchanged in Q2 2026.
  • Interactive Brokers made up 6.31% of Winmill & Co's portfolio in Q2 2026, its #4 holding.
  • Winmill & Co first reported a position in Interactive Brokers in Q4 2023 and has held it in 11 quarters since.
  • 1,115 funds tracked by Wall St. Rank held Interactive Brokers as of Q2 2026.

Based on Winmill & Co's 13F filing for Q2 2026, filed 13 Aug 2026.