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Equibles

ONCH

1RT Acquisition Corp.

Company with tickers: ONCH, ONCHU, ONCHW

CIK
2054272
CUSIP
G6757R105
Shares Outstanding
17,250,000
13F Activity (30d)
50 filings 49 filers

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: 57
Total Value: $121,264,769
Total Shares: 11,959,052

Institutional Ownership Trend

3 quarters

Holder Concentration

Across 57 13F filers · Δ vs Dec 31, 2025
Top Holder
14.3%
Sep 2025 → Mar 2026 · range 12.5% – 17.0%
+1.7 pts
Top 5
43.7%
Sep 2025 → Mar 2026 · range 43.7% – 60.2%
−3.4 pts
Top 10
61.8%
Sep 2025 → Mar 2026 · range 61.8% – 77.4%
−3.5 pts
HHI
546
Sep 2025 → Mar 2026 · range 546 – 919
Broadly held −52

Quarterly Activity

vs Dec 31, 2025
New
10
Increased
12
Decreased
7
Sold Out
3
Unchanged
28
Holder count: +7
Institutional value: -3.1%
Shares held: -2.5%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mid Linden Advisors LP +500,000 1,010,100
Small Radcliffe Capital Management, L.P. +246,144 385,436
Mid Governors Lane LP +227,337 750,000
Mid METEORA CAPITAL, LLC +166,000 1,705,014
Small Periscope Capital Inc. +74,362 153,962

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mid Saba Capital Management, L.P. −250,000 524,932
Mid J. Goldman & Co LP −203,125 875,000
Small Shaolin Capital Management LLC −41,344 158,656
Large Clear Street Group Inc. −26,228 39,032
Mid Virtu Financial LLC −5,131 75,157

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mid SONA ASSET MANAGEMENT (US) LLC 161,200 $1,634,567
Mid WOLVERINE ASSET MANAGEMENT LLC 154,248 $1,564,074
Mid O'Connor Alternative Investments LLC 100,000 $1,014,000
Mid GLAZER CAPITAL, LLC 75,000 $760,500
Mid MIZUHO SECURITIES USA LLC 60,253 $610,965

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Small Harraden Circle Investments, LLC 1,500,192 $15,301,958
Large ExodusPoint Capital Management, LP 250,000 $2,550,000
Mid OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 100,000 $1,020,000
Filter: New 10 Increased 12 Reduced 7 Sold out 3 Unchanged 28
Showing 58 of 58
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mid METEORA CAPITAL, LLC $17,288,841 14.26% 1,705,014
Mid Linden Advisors LP $10,242,414 8.45% 1,010,100
Large Jain Global LLC $9,036,980 7.45% 891,221
Mid Governors Lane LP $7,605,000 6.27% 750,000
Mid J. Goldman & Co LP $7,098,000 5.85% 700,000
Small MMCAP International Inc. SPC $6,084,000 5.02% 600,000
Mid Saba Capital Management, L.P. $5,322,810 4.39% 524,932
Small Radcliffe Capital Management, L.P. $3,908,321 3.22% 385,436
Large Verition Fund Management LLC $3,500,682 2.89% 345,235
Mid First Trust Capital Management L.P. $3,041,959 2.51% 299,996
Mega MILLENNIUM MANAGEMENT LLC $2,972,642 2.45% 293,160
Mid WHITEBOX ADVISORS LLC $2,636,400 2.17% 260,000
Mid TENOR CAPITAL MANAGEMENT Co., L.P. $2,535,000 2.09% 250,000
Small Context Capital Management, LLC $2,535,000 2.09% 250,000
Mid MOORE CAPITAL MANAGEMENT, LP $2,535,000 2.09% 250,000
Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Pension $2,535,000 2.09% 250,000
Mid HBK INVESTMENTS L P $2,527,942 2.08% 249,304
Small Mint Tower Capital Management B.V. $2,028,000 1.67% 200,000
Mid J. Goldman & Co LP $1,774,500 1.46% 175,000
Mid SONA ASSET MANAGEMENT (US) LLC $1,634,567 1.35% 161,200
Small Shaolin Capital Management LLC $1,608,771 1.33% 158,656
Mid WOLVERINE ASSET MANAGEMENT LLC $1,564,074 1.29% 154,248
Small Periscope Capital Inc. $1,561,174 1.29% 153,962
Mega TWO SIGMA INVESTMENTS, LP $1,527,327 1.26% 150,624
Small Cable Car Capital, LP $1,267,500 1.05% 125,000
Small DLD Asset Management, LP $1,108,616 0.91% 109,331
Small K2 PRINCIPAL FUND, L.P. $1,014,000 0.84% 100,000
Mid PICTON MAHONEY ASSET MANAGEMENT $1,014,000 0.84% 100,000
Mid ARISTEIA CAPITAL, L.L.C. $1,014,000 0.84% 100,000
Mid Magnetar Financial LLC $1,014,000 0.84% 100,000
Mid O'Connor Alternative Investments LLC $1,014,000 0.84% 100,000
Mid RIVERNORTH CAPITAL MANAGEMENT, LLC $892,644 0.74% 88,032
Mid Virtu Financial LLC $762,091 0.63% 75,157
Mid GLAZER CAPITAL, LLC $760,500 0.63% 75,000
Mid BERKLEY W R CORP $754,578 0.62% 74,416
Mid AQR Arbitrage LLC $741,588 0.61% 73,135
Mid MIZUHO SECURITIES USA LLC Broker-Dealer $610,965 0.50% 60,253
Large Centiva Capital, LP $608,400 0.50% 60,000
Mega JPMORGAN CHASE & CO $538,961 0.44% 53,152
Mid READYSTATE ASSET MANAGEMENT LP $507,000 0.42% 50,000
Small RLH Capital LLC $506,584 0.42% 49,959
Small Quarry LP $506,584 0.42% 49,959
Micro GRITSTONE ASSET MANAGEMENT LLC $501,250 0.41% 49,433
Mid BOOTHBAY FUND MANAGEMENT, LLC $467,149 0.39% 46,070
Large Clear Street Group Inc. $395,784 0.33% 39,032
Mega D. E. Shaw & Co., Inc. $303,662 0.25% 29,947
Mega BNP PARIBAS ARBITRAGE, SA $275,483 0.23% 27,168
Large TORONTO DOMINION BANK Bank $253,865 0.21% 25,036
Large Hudson Bay Capital Management LP $253,500 0.21% 25,000
Mid Alberta Investment Management Corp $253,500 0.21% 25,000
Mid Davidson Kempner Capital Management LP $253,500 0.21% 25,000
Large Schonfeld Strategic Advisors LLC $202,800 0.17% 20,000
Mega CITADEL ADVISORS LLC $108,061 0.09% 10,657
Mid TIG Advisors, LLC $101,400 0.08% 10,000
Large COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS $101,400 0.08% 10,000
Small PenderFund Capital Management Ltd. $50,700 0.04% 5,000
Mega UBS Group AG $1,510 0.00% 149
Mega MORGAN STANLEY $790 0.00% 78

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