SOXX · iShares Semiconductor ETF ETF
$519.86
+17.66 (+3.52%)
At close · Sep 4
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 8
Total Value: $1,821,710,152
Total Shares: 2,843,046
Institutional Ownership Trend
24 quarters
Holder Concentration
Across 8 13F filers · Δ vs Mar 31, 2026Top Holder
93.0%
+12.1 pts
Top 5
100.0%
+0.9 pts
Top 10
100.0%
0.0 pts
HHI
8,667
Highly concentrated+1,969
Quarterly Activity
vs Mar 31, 2026
New
7
Increased
1
Decreased
0
Sold Out
5
Unchanged
0
Holder count:
+2
Institutional value:
+9044.8%
Shares held:
+4590.6%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Small TUCKER ASSET MANAGEMENT LLC | +40 | 602 |
Top Sellers
vs Mar 31, 2026No qualifying movers this quarter.
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega CITADEL ADVISORS LLC | 2,643,300 | $1,693,720,908 | |
| Large Corient Private Wealth LLC | 124,691 | $79,897,005 | |
| Mega Allianz Asset Management GmbH | 50,230 | $32,185,374 | |
| Small VELA Investment Management, LLC | 22,500 | $14,417,100 | |
| Small TOBIAS FINANCIAL ADVISORS, INC. | 967 | $619,614 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid Provida Pension Fund Administrator | 49,036 | $16,116,171 | |
| Small WILLIAM JOHN SEMPOLINSKI | 7,106 | $2,335,457 | |
| Mid Dakota Wealth Management | 1,655 | $543,932 | |
| Small Allie Family Office LLC | 1,338 | $439,747 | |
| Large M&T Bank Corp | 915 | $300,723 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega CITADEL ADVISORS LLC SOXX | $1,017,719,108 | 55.87% | 1,588,300 | Put | 2026-09-02 | |
| Mega CITADEL ADVISORS LLC SOXX | $676,001,800 | 37.11% | 1,055,000 | Call | 2026-09-02 | |
| Large Corient Private Wealth LLC SOXX | $79,897,005 | 4.39% | 124,691 | Shares | 2026-08-27 | |
| Mega Allianz Asset Management GmbH SOXX | $32,185,374 | 1.77% | 50,230 | Shares | 2026-09-02 | |
| Small VELA Investment Management, LLC SOXX | $14,417,100 | 0.79% | 22,500 | Put | 2026-08-27 | |
| Small TOBIAS FINANCIAL ADVISORS, INC. SOXX | $619,614 | 0.03% | 967 | Shares | 2026-08-25 | |
| Small TUCKER ASSET MANAGEMENT LLC SOXX | $385,737 | 0.02% | 602 | Shares | 2026-08-27 | |
| Mid Parkside Financial Bank & Trust Bank SOXX | $282,575 | 0.02% | 441 | Shares | 2026-09-04 | |
| Small Range Advisory, LLC SOXX | $201,839 | 0.01% | 315 | Shares | 2026-09-02 |