Jane Street’s iShares Russell 1000 ETF IWB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $1.78M | Sell |
5,000
-100
| -2% | -$37.3K | ﹤0.01% | 5320 |
|
|
2025
Q4 | $1.9M | Buy |
+5,100
| New | +$1.89M | ﹤0.01% | 4905 |
|
|
2025
Q3 | – | Sell |
-800
| Closed | -$272K | – | 11275 |
|
|
2025
Q2 | $272K | Sell |
800
-124,900
| -99% | -$39.2M | ﹤0.01% | 8031 |
|
|
2025
Q1 | $38.6M | Sell |
125,700
-12,400
| -9% | -$4.01M | 0.01% | 826 |
|
|
2024
Q4 | $44.5M | Buy |
+138,100
| New | +$44.7M | 0.01% | 749 |
|
|
2022
Q2 | – | Sell |
-5,000
| Closed | -$1.25M | – | 10233 |
|
|
2022
Q1 | $1.25M | Sell |
5,000
-1,100
| -18% | -$272K | ﹤0.01% | 5662 |
|
|
2021
Q4 | $1.61M | Buy |
+6,100
| New | +$1.57M | ﹤0.01% | 4917 |
|
|
2021
Q2 | – | Sell |
-2,300
| Closed | -$515K | – | 10088 |
|
|
2021
Q1 | $515K | Sell |
2,300
-3,500
| -60% | -$766K | ﹤0.01% | 6746 |
|
|
2020
Q4 | $1.23M | Buy |
+5,800
| New | +$1.16M | ﹤0.01% | 4330 |
|
|
2020
Q3 | – | Sell |
-1,200
| Closed | -$206K | – | 7526 |
|
|
2020
Q2 | $206K | Buy |
+1,200
| New | +$194K | ﹤0.01% | 6341 |
|
|
2020
Q1 | – | Sell |
-1,700
| Closed | -$303K | – | 5645 |
|
|
2019
Q4 | $303K | Buy |
+1,700
| New | +$290K | ﹤0.01% | 4259 |
|
|
2019
Q3 | – | Sell |
-2,500
| Closed | -$407K | – | 5416 |
|
|
2019
Q2 | $407K | Sell |
2,500
-800
| -24% | -$128K | ﹤0.01% | 3837 |
|
|
2019
Q1 | $519K | Buy |
+3,300
| New | +$499K | ﹤0.01% | 3638 |
|
|
2018
Q4 | – | Sell |
-1,900
| Closed | -$307K | – | 5320 |
|
|
2018
Q3 | $307K | Sell |
1,900
-1,700
| -47% | -$270K | ﹤0.01% | 4191 |
|
|
2018
Q2 | $547K | Buy |
3,600
+1,600
| +80% | +$241K | ﹤0.01% | 3498 |
|
|
2018
Q1 | $294K | Buy |
+2,000
| New | +$304K | ﹤0.01% | 4043 |
|
|
2017
Q2 | – | Sell |
-21,200
| Closed | -$2.78M | – | 4614 |
|
|
2017
Q1 | $2.78M | Sell |
21,200
-6,700
| -24% | -$868K | 0.01% | 1091 |
|
|
2016
Q4 | $3.47M | Buy |
27,900
+5,600
| +25% | +$681K | 0.02% | 902 |
|
|
2016
Q3 | $2.69M | Sell |
22,300
-2,100
| -9% | -$252K | 0.01% | 961 |
|
|
2016
Q2 | $2.85M | Sell |
24,400
-10,600
| -30% | -$1.22M | 0.01% | 967 |
|
|
2016
Q1 | $3.99M | Buy |
35,000
+400
| +1% | +$43.2K | 0.02% | 685 |
|
|
2015
Q4 | $3.92M | Buy |
34,600
+22,600
| +188% | +$2.58M | 0.02% | 620 |
|
|
2015
Q3 | $1.28M | Buy |
+12,000
| New | +$1.36M | 0.01% | 1394 |
|
|
2015
Q2 | – | Sell |
-9,000
| Closed | -$1.04M | – | 3834 |
|
|
2015
Q1 | $1.04M | Sell |
9,000
-28,600
| -76% | -$3.3M | 0.01% | 1341 |
|
|
2014
Q4 | $4.31M | Buy |
37,600
+12,800
| +52% | +$1.43M | 0.03% | 378 |
|
|
2014
Q3 | $2.73M | Buy |
24,800
+16,800
| +210% | +$1.86M | 0.03% | 472 |
|
|
2014
Q2 | $881K | Buy |
+8,000
| New | +$851K | 0.01% | 991 |
|
|
2013
Q4 | – | Sell |
-380,000
| Closed | -$35.8M | – | 2634 |
|
|
2013
Q3 | $35.8M | Buy |
+380,000
| New | +$35.5M | 0.43% | 38 |
|
Other funds holding IWB
Jane Street's IWB Position: Q1 2026 in Review
Jane Street increased its iShares Russell 1000 ETF (IWB) stake by 275% in Q1 2026, buying an estimated $13M and bringing the position to 47,642 shares worth $17M. The position accounts for ﹤0.01% of the portfolio, ranked #1941.
Jane Street first reported a position in IWB in Q2 2013 and has held it in 36 quarters since. The position peaked at $41.5M in Q4 2022. 1,466 funds tracked by Wall St. Rank hold IWB as of Q1 2026.
- Jane Street held 47,642 shares of iShares Russell 1000 ETF worth $17M as of Q1 2026.
- Jane Street bought 34,942 iShares Russell 1000 ETF shares in Q1 2026, an estimated $13M.
- iShares Russell 1000 ETF made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #1941 holding.
- Jane Street first reported a position in iShares Russell 1000 ETF in Q2 2013 and has held it in 36 quarters since.
- Jane Street's iShares Russell 1000 ETF position peaked at $41.5M in Q4 2022.
- 1,466 funds tracked by Wall St. Rank held iShares Russell 1000 ETF as of Q1 2026.
Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.