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ONCH · 1RT Acquisition Corp.

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$10.30 +0.00 (+0.00%) At close · Aug 21
Market Cap
$222.09M
Shares
21.56M

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: 75
Total Value: $161,472,809
Total Shares: 18,796,174

Institutional Ownership Trend

4 quarters

Holder Concentration

Across 75 13F filers · Δ vs Mar 31, 2026
Top Holder
10.8%
Sep 2025 → Jun 2026 · range 9.6% – 10.9%
−0.1 pts
Top 5
37.2%
Sep 2025 → Jun 2026 · range 37.2% – 39.4%
−0.5 pts
Top 10
56.6%
Sep 2025 → Jun 2026 · range 56.6% – 59.0%
−0.7 pts
HHI
437
Sep 2025 → Jun 2026 · range 437 – 462
Broadly held−7

Quarterly Activity

vs Mar 31, 2026
New
2
Increased
13
Decreased
15
Sold Out
1
Unchanged
45
Holder count: +1
Institutional value: +2.2%
Shares held: +1.3%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 116
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 2054272 CUSIP G6757R105 13F (30d) 74 filings 73 filers