Ken Griffin
IUSB icon

Ken Griffin’s iShares Core Universal USD Bond ETF IUSB Stock Holding History

Ken Griffin’s Portfolio IUSB Stock Details IUSB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-100
Closed -$4.61K – 13789
2025
Q1 		$4.61K Buy
+100
New +$4.56K ﹤0.01% 13879
2024
Q3 		– Sell
-800
Closed -$36.2K – 14731
2024
Q2 		$36.2K Buy
800
+100
+14% +$4.5K ﹤0.01% 12089
2024
Q1 		$31.9K Buy
+700
New +$31.9K ﹤0.01% 12634
2023
Q4 		– Sell
-2,500
Closed -$109K – 14774
2023
Q3 		$109K Buy
2,500
+800
+47% +$35.8K ﹤0.01% 10781
2023
Q2 		$77.3K Sell
1,700
-22,500
-93% -$1.03M ﹤0.01% 11282
2023
Q1 		$1.12M Buy
24,200
+14,500
+149% +$664K ﹤0.01% 6532
2022
Q4 		$436K Buy
+9,700
New +$434K ﹤0.01% 8534

Other funds holding IUSB

Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $424B AUM 22.96% 1-Year Est. Return
Jones Financial Companies
Jones Financial Companies Des Peres, Missouri $208B AUM 16.12% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return
Northwestern Mutual Wealth Management
Northwestern Mutual Wealth Management Milwaukee, Wisconsin $187B AUM 21.7% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Mariner
Mariner Overland Park, Kansas $95.2B AUM 32.92% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Carson Wealth (CWM LLC)
Carson Wealth (CWM LLC) Omaha, Nebraska $38.1B AUM 19.66% 1-Year Est. Return

Ken Griffin's IUSB Position: Q1 2026 in Review

Ken Griffin opened a new position in iShares Core Universal USD Bond ETF (IUSB) in Q1 2026: 293,817 shares worth $13.6M. The stake represents ﹤0.01% of the portfolio and ranks #2812 among its holdings. This is a return to the name: Ken Griffin previously reported a position in IUSB as recently as Q3 2025.

Ken Griffin first reported a position in IUSB in Q1 2015 and has held it in 18 quarters since. The position peaked at $59.9M in Q3 2025. 839 funds tracked by Wall St. Rank hold IUSB as of Q1 2026.

  • Ken Griffin held 293,817 shares of iShares Core Universal USD Bond ETF worth $13.6M as of Q1 2026.
  • iShares Core Universal USD Bond ETF was a new Ken Griffin position in Q1 2026.
  • iShares Core Universal USD Bond ETF made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #2812 holding.
  • Ken Griffin first reported a position in iShares Core Universal USD Bond ETF in Q1 2015 and has held it in 18 quarters since.
  • Ken Griffin's iShares Core Universal USD Bond ETF position peaked at $59.9M in Q3 2025.
  • 839 funds tracked by Wall St. Rank held iShares Core Universal USD Bond ETF as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.