Who Owns ISTB?
iShares Core 1-5 Year USD Bond ETF — Institutional Ownership & 13F Holdings
$48.53
-0.03 (-0.07%)
Market Cap
$4.8B
Shares Outstanding
97,529,563
Institutional Holders
384
Total Inst. Value
$2.6B
% of Float Held
—
QoQ Holder Change
+154
Institutional data as of Q1 2025
New Positions
113
Closed Positions
28
Increased
117
Decreased
106
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $533.1M | 11,025 |
| 2 | BlackRock, Inc. | $266.3M | 5,508,088 |
| 3 | STATE OF WISCONSIN INVESTMENT BOARD | $244.0M | 5,045,925 |
| 4 | RAYMOND JAMES FINANCIAL INC | $96.5M | 1,996,862 |
| 5 | Trust Point Inc. | $87.9M | 1,817,563 |
| 6 | SPINNAKER TRUST | $66.6M | 1,378,330 |
| 7 | Townsend & Associates, Inc | $52.7M | 1,093,148 |
| 8 | CAHABA WEALTH MANAGEMENT, INC. | $46.7M | 965,759 |
| 9 | UBS Group AG | $43.2M | 893,592 |
| 10 | ROYAL BANK OF CANADA | $41.2M | 852,021 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| BlackRock, Inc. | +2.3M | $266.3M |
| STATE OF WISCONSIN INVESTMENT BOARD | +300 | $244.0M |
| RAYMOND JAMES FINANCIAL INC | +97K | $96.5M |
| Townsend & Associates, Inc | +67K | $52.7M |
| CAHABA WEALTH MANAGEMENT, INC. | +40K | $46.7M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| Trust Point Inc. | -1.6M | $87.9M |
| MORGAN STANLEY | -354K | $31.7M |
| AMERIPRISE FINANCIAL INC | -205K | $15.5M |
| McKinley Carter Wealth Services, Inc. | -166K | $2.3M |
| SPINNAKER TRUST | -126K | $66.6M |
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Frequently Asked Questions
How many institutional investors hold ISTB?
As of Q1 2025, 384 institutional investors report holding ISTB (iShares Core 1-5 Year USD Bond ETF) in their 13F filings.
Which hedge fund owns the most ISTB?
The largest institutional holder of ISTB is NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO with $533.1M in shares.
Are institutions buying or selling ISTB?
This quarter, 113 institutions opened new positions in ISTB and 28 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.