Jane Street’s ProShares UltraShort NASDAQ Biotechnology BIS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q1
Sell
-19,348
Closed -$704K 9442
2024
Q4
$704K Buy
19,348
+14,088
+268% +$454K ﹤0.01% 6057
2024
Q3
$158K Buy
+5,260
New +$159K ﹤0.01% 8789
2020
Q2
Sell
-5,807
Closed -$655K 7055
2020
Q1
$655K Buy
+5,807
New +$663K ﹤0.01% 3329
2019
Q1
Sell
-5,299
Closed -$979K 5003
2018
Q4
$979K Buy
5,299
+3,018
+132% +$486K ﹤0.01% 2591
2018
Q3
$285K Sell
2,281
-72
-3% -$9.7K ﹤0.01% 4270
2018
Q2
$366K Buy
2,353
+1,011
+75% +$168K ﹤0.01% 3926
2018
Q1
$227K Buy
+1,342
New +$215K ﹤0.01% 4328
2017
Q2
Sell
-2,967
Closed -$660K 4320
2017
Q1
$660K Buy
2,967
+1,773
+148% +$418K ﹤0.01% 2561
2016
Q4
$334K Buy
+1,194
New +$327K ﹤0.01% 3252
2016
Q3
Sell
-1,649
Closed -$438K 3989
2016
Q2
$549K Buy
1,649
+325
+25% +$103K ﹤0.01% 2670
2016
Q1
$461K Buy
+1,324
New +$461K ﹤0.01% 2696
2015
Q4
Sell
-2,337
Closed -$601K 3988
2015
Q3
$721K Buy
+2,337
New +$551K ﹤0.01% 1920
2015
Q2
Sell
-3,167
Closed -$786K 3619
2015
Q1
$874K Buy
+3,167
New +$969K 0.01% 1486
2014
Q4
Sell
-1,608
Closed -$670K 2477
2014
Q3
$774K Buy
+1,608
New +$856K 0.01% 1094
2013
Q3
Sell
-141
Closed -$214K 2713
2013
Q2
$214K Buy
+141
New +$224K ﹤0.01% 2192

Other funds holding BIS

Jane Street's BIS Position: Q1 2025 in Review

Jane Street sold out of ProShares UltraShort NASDAQ Biotechnology (BIS) in Q1 2025, closing a stake of 19,348 shares — an estimated $704K sold.

Jane Street first reported a position in BIS in Q2 2013 and held it in 15 quarters. The position peaked at $979K in Q4 2018. 4 funds tracked by Wall St. Rank hold BIS as of Q1 2025.

  • Jane Street reported no remaining ProShares UltraShort NASDAQ Biotechnology position as of Q1 2025 after selling out during the quarter.
  • Jane Street sold 19,348 ProShares UltraShort NASDAQ Biotechnology shares in Q1 2025, an estimated $704K.
  • Jane Street first reported a position in ProShares UltraShort NASDAQ Biotechnology in Q2 2013 and held it in 15 quarters.
  • Jane Street's ProShares UltraShort NASDAQ Biotechnology position peaked at $979K in Q4 2018.
  • 4 funds tracked by Wall St. Rank held ProShares UltraShort NASDAQ Biotechnology as of Q1 2025.

Based on Jane Street's 13F filing for Q1 2025, filed 14 May 2025.