John Overdeck’s BlackBerry BB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2022
Q1
Sell
-34,700
Closed -$324K 2756
2021
Q4
$324K Sell
34,700
-271,600
-89% -$2.72M ﹤0.01% 3592
2021
Q3
$2.98M Buy
306,300
+292,300
+2,088% +$3.06M 0.01% 1613
2021
Q2
$171K Sell
14,000
-47,200
-77% -$494K ﹤0.01% 3817
2021
Q1
$516K Buy
+61,200
New +$686K ﹤0.01% 2901
2018
Q4
Sell
-54,500
Closed -$620K 2983
2018
Q3
$620K Sell
54,500
-46,700
-46% -$477K ﹤0.01% 2300
2018
Q2
$977K Buy
+101,200
New +$1.13M ﹤0.01% 2172
2018
Q1
Sell
-13,000
Closed -$145K 3138
2017
Q4
$145K Buy
+13,000
New +$142K ﹤0.01% 2969
2017
Q3
Sell
-27,400
Closed -$274K 2741
2017
Q2
$274K Buy
+27,400
New +$269K ﹤0.01% 2675
2017
Q1
Sell
-45,800
Closed -$316K 2894
2016
Q4
$316K Buy
45,800
+5,500
+14% +$40.9K ﹤0.01% 2723
2016
Q3
$322K Buy
+40,300
New +$303K ﹤0.01% 2709
2016
Q1
Sell
-19,000
Closed -$176K 2787
2015
Q4
$176K Buy
+19,000
New +$146K ﹤0.01% 2497

Other funds holding BB

John Overdeck's BB Position: Q2 2026 in Review

John Overdeck increased its BlackBerry (BB) stake by 2,977% in Q2 2026, buying an estimated $72.5M and bringing the position to 10,733,152 shares worth $136M. The position accounts for 0.1% of the portfolio, ranked #227.

John Overdeck first reported a position in BB in Q4 2013 and has held it in 41 quarters since. 286 funds tracked by Wall St. Rank hold BB as of Q2 2026.

  • John Overdeck held 10,733,152 shares of BlackBerry worth $136M as of Q2 2026.
  • John Overdeck bought 10,384,331 BlackBerry shares in Q2 2026, an estimated $72.5M.
  • BlackBerry made up 0.1% of John Overdeck's portfolio in Q2 2026, its #227 holding.
  • John Overdeck first reported a position in BlackBerry in Q4 2013 and has held it in 41 quarters since.
  • 286 funds tracked by Wall St. Rank held BlackBerry as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.