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Blue Whale Capital’s Interactive Brokers IBKR Stock Holding History

Blue Whale Capital’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 		$58.3M Sell
669,562
-44,622
-6% -$3.71M 1.85% 18
2026
Q1 		$47.9M Buy
714,184
+140,120
+24% +$10M 2.28% 14
2025
Q4 		$36.9M Buy
574,064
+258,481
+82% +$17.3M 1.89% 18
2025
Q3 		$21.7M Buy
+315,583
New +$19.9M 1.2% 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

Blue Whale Capital's IBKR Position: Q2 2026 in Review

Blue Whale Capital reduced its Interactive Brokers (IBKR) stake by 6.2% in Q2 2026, selling an estimated $3.71M and leaving 669,562 shares worth $58.3M. The position accounts for 1.85% of the portfolio, ranked #18.

Blue Whale Capital first reported a position in IBKR in Q3 2025 and has held it in 4 quarters since. 1,117 funds tracked by Wall St. Rank hold IBKR as of Q2 2026.

  • Blue Whale Capital held 669,562 shares of Interactive Brokers worth $58.3M as of Q2 2026.
  • Blue Whale Capital sold 44,622 Interactive Brokers shares in Q2 2026, an estimated $3.71M.
  • Interactive Brokers made up 1.85% of Blue Whale Capital's portfolio in Q2 2026, its #18 holding.
  • Blue Whale Capital first reported a position in Interactive Brokers in Q3 2025 and has held it in 4 quarters since.
  • 1,117 funds tracked by Wall St. Rank held Interactive Brokers as of Q2 2026.

Based on Blue Whale Capital's 13F filing for Q2 2026, filed 13 Aug 2026.