AMYY · GraniteShares YieldBOOST AMD ETF ETF
$13.51
-0.01 (-0.11%)
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: 1
Total Value: $282,871
Total Shares: 18,297
Institutional Ownership Trend
3 quarters
Holder Concentration
Across 1 13F filers · Δ vs Dec 31, 2025Top Holder
100.0%
+2.2 pts
Top 5
100.0%
0.0 pts
Top 10
100.0%
0.0 pts
HHI
10,000
Highly concentrated+436
Quarterly Activity
vs Dec 31, 2025
New
1
Increased
0
Decreased
0
Sold Out
3
Unchanged
0
Holder count:
-2
Institutional value:
+391.2%
Shares held:
+615.6%
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | 18,297 | $282,871 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid GROUP ONE TRADING LLC | 2,500 | $56,300 | |
| Mega UBS Group AG | 53 | $1,193 | |
| Mega FMR LLC | 4 | $90 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP AMYY | $282,871 | 100.00% | 18,297 | Shares | 2026-05-15 |