ARMH · Arm Holdings PLC ADRhedged
$10.12
-0.33 (-3.12%)
At close · Aug 21
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: 4
Total Value: $1,450,069
Total Shares: 9,578
Institutional Ownership Trend
3 quarters
Holder Concentration
Across 4 13F filers · Δ vs Jun 30, 2025Top Holder
53.4%
−46.6 pts
Top 5
100.0%
0.0 pts
Top 10
100.0%
0.0 pts
HHI
3,948
Highly concentrated−6,052
Quarterly Activity
vs Jun 30, 2025
New
4
Increased
0
Decreased
0
Sold Out
2
Unchanged
0
Holder count:
+2
Institutional value:
+546.2%
Shares held:
+190.9%
Top New Positions
vs Jun 30, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mid Virtu Financial LLC | 51,170 | $774,693 | |
| Small Intellectus Partners, LLC | 26,880 | $406,952 | |
| Mega JANE STREET GROUP, LLC | 16,730 | $253,285 | |
| Mega UBS Group AG | 1,000 | $15,139 |
Top Sold-Out Positions
vs Jun 30, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Large CIBC WORLD MARKET INC. | 32,930 | $224,398 | |
| — PROEQUITIES, INC. | 0 | $0 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mid Virtu Financial LLC | $774,693 | 53.42% | 5,117 | Shares | 2026-08-13 | |
| Small Intellectus Partners, LLC | $406,952 | 28.06% | 2,688 | Shares | 2026-08-12 | |
| Mega JANE STREET GROUP, LLC | $253,285 | 17.47% | 1,673 | Shares | 2026-08-14 | |
| Mega UBS Group AG | $15,139 | 1.04% | 100 | Shares | 2026-08-13 |
Key facts
CIK
1499655
CUSIP
74016W759
13F (30d)
4 filings
4 filers