Loading...
Loading...
Of the 5 tracked institutions holding IOO, 2 have a 3-year clone track record — 2 of them beat the S&P. Average holder's clone alpha: +6.5pt. It's a gauge of who owns the name, not just how many.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Among the 5 tracked institutional investors we monitor, IOO (ISHARES TR) is held with a combined value of $3.93B across 28,784,810 shares. The largest holder is BlackRock, Inc. with a position worth $3.92B (0.06% of their portfolio). 4 funds increased their holdings. 1 fund reduced its position.
Total Institutional Value
$3.93B
Total Shares Held
28,784,810
Institutional Holders
5
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $3.92B | 0.06% | +0.2% |
| 2 | FMR LLC | $4.28M | 0.00% | +5.4% |
| 3 | AQR CAPITAL MANAGEMENT LLC | $3.40M | 0.00% | +46.3% |
| 4 | RENAISSANCE TECHNOLOGIES LLC | $1.08M | 0.00% | +33.9% |
| 5 | CITADEL ADVISORS LLC | $291.91K | 0.00% | -92.7% |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of IOO with a position worth $3.92B, representing 0.06% of their portfolio. In total, 5 institutional investors hold IOO with a combined value of $3.93B.
Institutional investors hold $3.93B worth of IOO stock across 5 positions. The largest institutional holder is BlackRock, Inc. with $3.92B in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For IOO, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their IOO positions.
Last Close
$145.34
2026-10-21
YTD
+14.9%
97% of 52-week range