Jim Simons’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
Sell
-38,920
Closed -$14.5M 3471
2025
Q4
$14.5M Buy
38,920
+22,220
+133% +$8.23M 0.02% 752
2025
Q3
$6.1M Buy
16,700
+6,000
+56% +$2.11M 0.01% 1376
2025
Q2
$3.63M Buy
+10,700
New +$3.36M ﹤0.01% 1722
2025
Q1
Sell
-40,500
Closed -$13M 3653
2024
Q4
$13M Buy
+40,500
New +$13.1M 0.02% 851
2024
Q3
Sell
-20,900
Closed -$6.22M 3708
2024
Q2
$6.22M Buy
+20,900
New +$6M 0.01% 1175
2024
Q1
Sell
-17,600
Closed -$4.62M 3887
2023
Q4
$4.62M Buy
17,600
+10,800
+159% +$2.64M 0.01% 1395
2023
Q3
$1.6M Buy
6,800
+3,400
+100% +$832K ﹤0.01% 1997
2023
Q2
$829K Buy
+3,400
New +$783K ﹤0.01% 2580
2021
Q4
Sell
-7,500
Closed -$1.81M 4070
2021
Q3
$1.81M Buy
+7,500
New +$1.86M ﹤0.01% 2161
2021
Q1
Sell
-1,800
Closed -$381K 3510
2020
Q4
$381K Sell
1,800
-900
-33% -$180K ﹤0.01% 2939
2020
Q3
$505K Sell
2,700
-6,900
-72% -$1.27M ﹤0.01% 2810
2020
Q2
$1.65M Sell
9,600
-1,100
-10% -$178K ﹤0.01% 2278
2020
Q1
$1.51M Buy
10,700
+8,400
+365% +$1.42M ﹤0.01% 2207
2019
Q4
$410K Buy
+2,300
New +$392K ﹤0.01% 2968
2019
Q1
Sell
-9,300
Closed -$1.29M 3571
2018
Q4
$1.29M Buy
+9,300
New +$1.39M ﹤0.01% 2456

Other funds holding IWB

Jim Simons's IWB Position: Q1 2026 in Review

Jim Simons sold out of iShares Russell 1000 ETF (IWB) in Q1 2026, closing a stake of 38,920 shares — an estimated $14.5M sold.

Jim Simons first reported a position in IWB in Q4 2018 and held it in 15 quarters. The position peaked at $14.5M in Q4 2025. 1,470 funds tracked by Wall St. Rank hold IWB as of Q1 2026.

  • Jim Simons reported no remaining iShares Russell 1000 ETF position as of Q1 2026 after selling out during the quarter.
  • Jim Simons sold 38,920 iShares Russell 1000 ETF shares in Q1 2026, an estimated $14.5M.
  • Jim Simons first reported a position in iShares Russell 1000 ETF in Q4 2018 and held it in 15 quarters.
  • Jim Simons's iShares Russell 1000 ETF position peaked at $14.5M in Q4 2025.
  • 1,470 funds tracked by Wall St. Rank held iShares Russell 1000 ETF as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.