Jim Simons’s iShares Core Universal USD Bond ETF IUSB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$4.04M Buy
+87,500
New +$4.04M 0.01% 1574
2025
Q4
– Sell
-211,800
Closed -$9.9M – 3496
2025
Q3
$9.9M Buy
211,800
+50,900
+32% +$2.35M 0.01% 1098
2025
Q2
$7.44M Sell
160,900
-35,400
-18% -$1.62M 0.01% 1274
2025
Q1
$9.05M Buy
+196,300
New +$8.95M 0.01% 1058
2023
Q1
– Sell
-96,600
Closed -$4.34M – 4185
2022
Q4
$4.34M Buy
+96,600
New +$4.32M 0.01% 1596
2022
Q3
– Sell
-110,751
Closed -$5.18M – 4226
2022
Q2
$5.18M Buy
+110,751
New +$5.26M 0.01% 1526
2021
Q1
– Sell
-123,661
Closed -$6.75M – 3506
2020
Q4
$6.75M Buy
123,661
+101,590
+460% +$5.52M 0.01% 1407
2020
Q3
$1.2M Buy
+22,071
New +$1.21M ﹤0.01% 2418

Other funds holding IUSB

Jim Simons's IUSB Position: Q2 2026 in Review

Jim Simons opened a new position in iShares Core Universal USD Bond ETF (IUSB) in Q2 2026: 87,500 shares worth $4.04M. The stake represents 0.01% of the portfolio and ranks #1574 among its holdings. This is a return to the name: Jim Simons previously reported a position in IUSB as recently as Q3 2025.

Jim Simons first reported a position in IUSB in Q3 2020 and has held it in 8 quarters since. The position peaked at $9.9M in Q3 2025. 862 funds tracked by Wall St. Rank hold IUSB as of Q2 2026.

  • Jim Simons held 87,500 shares of iShares Core Universal USD Bond ETF worth $4.04M as of Q2 2026.
  • iShares Core Universal USD Bond ETF was a new Jim Simons position in Q2 2026.
  • iShares Core Universal USD Bond ETF made up 0.01% of Jim Simons's portfolio in Q2 2026, its #1574 holding.
  • Jim Simons first reported a position in iShares Core Universal USD Bond ETF in Q3 2020 and has held it in 8 quarters since.
  • Jim Simons's iShares Core Universal USD Bond ETF position peaked at $9.9M in Q3 2025.
  • 862 funds tracked by Wall St. Rank held iShares Core Universal USD Bond ETF as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.