Parallax Volatility Advisers
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Parallax Volatility Advisers’s Interactive Brokers IBKR Stock Holding History

Parallax Volatility Advisers’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 		$2.61M Sell
30,000
-20,000
-40% -$1.66M ﹤0.01% 745
2026
Q1 		$3.98M Buy
+50,000
New +$3.57M 0.01% 639
2025
Q3 		– Sell
-52,000
Closed -$2.88M – 1707
2025
Q2 		$2.88M Buy
52,000
+9,200
+21% +$436K 0.01% 776
2025
Q1 		$1.77M Buy
42,800
+15,600
+57% +$773K ﹤0.01% 900
2024
Q4 		$1.2M Buy
+27,200
New +$1.15M ﹤0.01% 1281
2019
Q1 		– Sell
-400,000
Closed -$5.46M – 3312
2018
Q4 		$5.46M Hold
400,000
– – 0.01% 687
2018
Q3 		$5.53M Buy
+400,000
New +$6.07M 0.01% 680
2017
Q1 		– Sell
-32,000
Closed -$292K – 4032
2016
Q4 		$292K Buy
32,000
+4,000
+14% +$36.4K ﹤0.01% 1736
2016
Q3 		$248K Buy
+28,000
New +$248K ﹤0.01% 1769
2016
Q2 		– Sell
-32,800
Closed -$323K – 2948
2016
Q1 		$323K Sell
32,800
-25,600
-44% -$226K ﹤0.01% 1603
2015
Q4 		$636K Buy
+58,400
New +$609K ﹤0.01% 1447
2015
Q3 		– Sell
-12,400
Closed -$128K – 3409
2015
Q2 		$128K Sell
12,400
-20,800
-63% -$189K ﹤0.01% 2162
2015
Q1 		$282K Sell
33,200
-75,600
-69% -$601K ﹤0.01% 1874
2014
Q4 		$792K Sell
108,800
-76,400
-41% -$511K ﹤0.01% 1677
2014
Q3 		$1.16M Buy
185,200
+133,200
+256% +$793K ﹤0.01% 1392
2014
Q2 		$303K Sell
52,000
-737,600
-93% -$4.24M ﹤0.01% 1695
2014
Q1 		$4.28M Buy
789,600
+773,600
+4,835% +$4.28M 0.03% 421
2013
Q4 		$97K Buy
16,000
+12,000
+300% +$67K ﹤0.01% 1849
2013
Q3 		$19K Buy
+4,000
New +$17.2K ﹤0.01% 2309

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

Parallax Volatility Advisers's IBKR Position: Q2 2026 in Review

Parallax Volatility Advisers increased its Interactive Brokers (IBKR) stake by 358,300% in Q2 2026, buying an estimated $298K and bringing the position to 3,584 shares worth $312K. The position accounts for ﹤0.01% of the portfolio, ranked #1184.

Parallax Volatility Advisers first reported a position in IBKR in Q3 2013 and has held it in 26 quarters since. The position peaked at $6.82M in Q3 2025. 1,117 funds tracked by Wall St. Rank hold IBKR as of Q2 2026.

  • Parallax Volatility Advisers held 3,584 shares of Interactive Brokers worth $312K as of Q2 2026.
  • Parallax Volatility Advisers bought 3,583 Interactive Brokers shares in Q2 2026, an estimated $298K.
  • Interactive Brokers made up ﹤0.01% of Parallax Volatility Advisers's portfolio in Q2 2026, its #1184 holding.
  • Parallax Volatility Advisers first reported a position in Interactive Brokers in Q3 2013 and has held it in 26 quarters since.
  • Parallax Volatility Advisers's Interactive Brokers position peaked at $6.82M in Q3 2025.
  • 1,117 funds tracked by Wall St. Rank held Interactive Brokers as of Q2 2026.

Based on Parallax Volatility Advisers's 13F filing for Q2 2026, filed 14 Aug 2026.