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
Q1 		$5.41M Buy
68,000
+40,000
+143% +$2.86M 0.01% 558
2025
Q4 		$1.8M Hold
28,000
– – ﹤0.01% 977
2025
Q3 		$1.93M Sell
28,000
-41,600
-60% -$2.62M ﹤0.01% 938
2025
Q2 		$3.86M Buy
69,600
+24,800
+55% +$1.18M 0.01% 687
2025
Q1 		$1.85M Buy
44,800
+12,000
+37% +$595K 0.01% 888
2024
Q4 		$1.45M Buy
32,800
+12,400
+61% +$522K ﹤0.01% 1223
2024
Q3 		$711K Buy
20,400
+6,000
+42% +$186K ﹤0.01% 1441
2024
Q2 		$441K Buy
+14,400
New +$430K ﹤0.01% 1462
2022
Q3 		– Sell
-28,000
Closed -$385K – 3215
2022
Q2 		$385K Buy
+28,000
New +$416K ﹤0.01% 2010
2019
Q1 		– Sell
-400,000
Closed -$5.46M – 3310
2018
Q4 		$5.46M Hold
400,000
– – 0.01% 686
2018
Q3 		$5.53M Buy
+400,000
New +$6.07M 0.01% 679
2017
Q1 		– Sell
-12,000
Closed -$110K – 4031
2016
Q4 		$110K Buy
+12,000
New +$109K ﹤0.01% 2158
2016
Q3 		– Sell
-4,400
Closed -$39K – 3330
2016
Q2 		$39K Sell
4,400
-800
-15% -$7.63K ﹤0.01% 2236
2016
Q1 		$51K Sell
5,200
-19,200
-79% -$169K ﹤0.01% 2133
2015
Q4 		$267K Buy
+24,400
New +$255K ﹤0.01% 1786
2015
Q3 		– Sell
-212,400
Closed -$2.21M – 3408
2015
Q2 		$2.21M Buy
212,400
+197,600
+1,335% +$1.79M ﹤0.01% 1031
2015
Q1 		$126K Sell
14,800
-48,800
-77% -$388K ﹤0.01% 2365
2014
Q4 		$463K Sell
63,600
-12,400
-16% -$82.9K ﹤0.01% 2113
2014
Q3 		$474K Buy
76,000
+64,400
+555% +$383K ﹤0.01% 1894
2014
Q2 		$68K Sell
11,600
-12,400
-52% -$71.3K ﹤0.01% 2755
2014
Q1 		$130K Buy
+24,000
New +$133K ﹤0.01% 1716
2013
Q4 		– Sell
-2,000
Closed -$9K – 3441
2013
Q3 		$9K Buy
+2,000
New +$8.59K ﹤0.01% 2627

Other funds holding IBKR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
CCM
Cantillon Capital Management New York $665M AUM 25.91% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
GWM
Greenwich Wealth Management Greenwich, Connecticut $2.45B AUM 39.53% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Parallax Volatility Advisers's IBKR Position: Q1 2026 in Review

Parallax Volatility Advisers reduced its Interactive Brokers (IBKR) stake by 100% in Q1 2026, selling an estimated $7.36M and leaving 1 share worth $67. The position accounts for ﹤0.01% of the portfolio, ranked #1417.

Parallax Volatility Advisers first reported a position in IBKR in Q3 2013 and has held it in 25 quarters since. The position peaked at $6.82M in Q3 2025. 994 funds tracked by Wall St. Rank hold IBKR as of Q1 2026.

  • Parallax Volatility Advisers held 1 share of Interactive Brokers worth $67 as of Q1 2026.
  • Parallax Volatility Advisers sold 103,071 Interactive Brokers shares in Q1 2026, an estimated $7.36M.
  • Interactive Brokers made up ﹤0.01% of Parallax Volatility Advisers's portfolio in Q1 2026, its #1417 holding.
  • Parallax Volatility Advisers first reported a position in Interactive Brokers in Q3 2013 and has held it in 25 quarters since.
  • Parallax Volatility Advisers's Interactive Brokers position peaked at $6.82M in Q3 2025.
  • 994 funds tracked by Wall St. Rank held Interactive Brokers as of Q1 2026.

Based on Parallax Volatility Advisers's 13F filing for Q1 2026, filed 15 May 2026.