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Mariner’s
iShares Core Universal USD Bond ETF
IUSB
Stock Holding History
Mariner’s Portfolio
IUSB Stock Details
IUSB Fund Activity
Bought
Maintained
Sold
Shares
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
$875M
Buy
18,948,193
+2,827,907
+18%
+$132M
1.02%
15
2025
Q4
$750M
Buy
16,120,286
+2,115,404
+15%
+$98.9M
0.89%
18
2025
Q3
$654M
Buy
14,004,882
+1,449,320
+12%
+$67M
0.85%
19
2025
Q2
$580M
Buy
12,555,562
+1,121,415
+10%
+$51.2M
0.84%
19
2025
Q1
$527M
Buy
11,434,147
+1,715,827
+18%
+$78.2M
0.88%
19
2024
Q4
$439M
Buy
9,718,320
+1,466,593
+18%
+$67.3M
0.74%
24
2024
Q3
$389M
Buy
8,251,727
+899,014
+12%
+$41.7M
0.69%
24
2024
Q2
$333M
Buy
7,352,713
+857,116
+13%
+$38.5M
0.64%
27
2024
Q1
$296M
Buy
6,495,597
+1,864,197
+40%
+$84.8M
0.61%
28
2023
Q4
$213M
Buy
4,631,400
+908,249
+24%
+$40.1M
0.51%
39
2023
Q3
$163M
Buy
3,723,151
+538,729
+17%
+$24.1M
0.44%
49
2023
Q2
$145M
Buy
3,184,422
+777,072
+32%
+$35.6M
0.39%
56
2023
Q1
$111M
Buy
2,407,350
+716,636
+42%
+$32.8M
0.32%
72
2022
Q4
$76M
Buy
1,690,714
+597,930
+55%
+$26.7M
0.24%
95
2022
Q3
$48.6M
Buy
1,092,784
+458,227
+72%
+$21.4M
0.19%
123
2022
Q2
$29.7M
Buy
634,557
+450,391
+245%
+$21.4M
0.12%
181
2022
Q1
$9.14M
Buy
184,166
+124,045
+206%
+$6.32M
0.03%
356
2021
Q4
$3.18M
Buy
60,121
+37,844
+170%
+$2.01M
0.01%
528
2021
Q3
$1.19M
Buy
22,277
+3,239
+17%
+$174K
0.01%
659
2021
Q2
$1.02M
Buy
+19,038
New
+$1.01M
0.01%
660
Other funds holding IUSB
Envestnet Asset Management
Chicago, Illinois
$374B AUM
17.66%
1-Year Est. Return
Jones Financial Companies
Des Peres, Missouri
$208B AUM
16.12%
1-Year Est. Return
BlackRock
New York
$5.7T AUM
30.48%
1-Year Est. Return
Wells Fargo
San Francisco, California
$501B AUM
22.01%
1-Year Est. Return
LPL Financial
San Diego, California
$376B AUM
19.32%
1-Year Est. Return
Northwestern Mutual Wealth Management
Milwaukee, Wisconsin
$162B AUM
16.35%
1-Year Est. Return
Morgan Stanley
New York
$1.66T AUM
25.57%
1-Year Est. Return
JP Morgan Chase
New York
$1.47T AUM
27.86%
1-Year Est. Return
Carson Wealth (CWM LLC)
Omaha, Nebraska
$38B AUM
19.66%
1-Year Est. Return
Envestnet Portfolio Solutions
Chicago, Illinois
$18.1B AUM
15%
1-Year Est. Return
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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