Who Owns 1RT Acquisition Corp. (ONCH)?Hedge Fund & Institutional Holders

$10.15-0.01 (-0.10%)Financial ServicesNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$1.5697153011500088e+180T

% of Float Held

—

QoQ Change in Holders

+9 / -10

Price History

$10.16$10.23$10.30$10.38$10.45Sep 25Dec 25Mar 26

ONCH — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)New Position+100K+$1.0M
Virtu Financial LLCNew Position+80K+$819K
Kamunting Street Capital Management, L.P.New Position+60K+$624K
GRITSTONE ASSET MANAGEMENT LLCNew Position+62K+$511K
Mint Tower Capital Management B.V.Increased+50K+$440K
KRYGER CAPITAL LtdNew Position+10K+$105K
SYQUANT CAPITAL SASNew Position+10K+$104K
Galaxy Group Investments LLCNew Position+13K+$7K
UBS Group AGNew Position+144+$1K
MORGAN STANLEYNew Position+46+$0
BANK OF AMERICA CORP /DE/Increased+4K+$-89K
PenderFund Capital Management Ltd.Increased+1K+$-52.4M
Alberta Investment Management CorpIncreased+6K+$-262.3M
BOOTHBAY FUND MANAGEMENT, LLCIncreased+4K+$-561.7M
Quarry LPIncreased+11K+$-646.3M

ONCH — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
MILLENNIUM MANAGEMENT LLCDecreased-67K-$3.5B
CITADEL ADVISORS LLCDecreased-50K-$2.2B
Wealthspring Capital LLCClosed Position-100K-$1.1B
CANTOR FITZGERALD, L. P.Closed Position-750K-$667.5M
Parallax Volatility Advisers, L.P.Decreased-39K-$594.2M
FIFTH LANE CAPITAL, LPClosed Position-72K-$543.7M
SCOGGIN MANAGEMENT LPDecreased-5K-$263.5M
Diametric Capital, LPClosed Position-11K-$121.2M
Bulldog Investors, LLPClosed Position-10K-$105.5M
HARBERT FUND ADVISORS, INC.Closed Position-10K-$105.5M
MASO CAPITAL PARTNERS LtdClosed Position-10K-$105.5M
Weiss Asset Management LPClosed Position-63K-$55.7M
SUSQUEHANNA INTERNATIONAL GROUP, LLPClosed Position-15K-$13.4M
HRT FINANCIAL LPDecreased-4K-$557K
HIGHBRIDGE CAPITAL MANAGEMENT LLCClosed Position-87-$77K

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1METEORA CAPITAL, LLC1,539,014$15.7M1.31%Share
2Harraden Circle Investments, LLC1,500,192$15.3M2.80%Share
3Point72 Asset Management, L.P.1,500,000$15.0M0.02%Share
4Jain Global LLC892,221$9.0M0.04%Share
5J. Goldman & Co LP862,500$8.8M0.23%Share
6Saba Capital Management, L.P.774,932$7.9M0.23%Share
7LMR Partners LLP700,000$7.0M0.01%Share
8MMCAP International Inc. SPC600,000$6.1M0.61%Share
9Governors Lane LP522,663$5.3M0.32%Share
10LINDEN ADVISORS LP510,100$5.2M0.03%Share
11Polar Asset Management Partners Inc.500,000$5.0M0.06%Share
12First Trust Capital Management L.P.299,996$3.1M0.19%Share
13WHITEBOX ADVISORS LLC260,000$2.7M0.04%Share
14Ghisallo Capital Management LLC250,000$2.6M0.12%Share
15MOORE CAPITAL MANAGEMENT, LP250,000$2.5M0.04%Share
16TENOR CAPITAL MANAGEMENT Co., L.P.250,000$2.5M0.04%Share
17Context Capital Management, LLC250,000$2.5M0.07%Share
18HBK INVESTMENTS L P249,304$2.5M0.02%Share
19HGC Investment Management Inc.200,000$2.1M0.44%Share
20Shaolin Capital Management LLC200,000$2.0M0.06%Share
21Mint Tower Capital Management B.V.200,000$2.0M0.24%Share
22MILLENNIUM MANAGEMENT LLC261,952$2.0M0.00%Share
23HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND250,000$2.0M0.00%Share
24Verition Fund Management LLC292,969$2.0M0.01%Share
25ExodusPoint Capital Management, LP250,000$2.0M0.02%Share
26Radcliffe Capital Management, L.P.139,292$1.4M0.08%Share
27Cable Car Capital, LP125,000$1.3M0.04%Share
28DLD Asset Management, LP109,331$1.1M0.08%Share
29ARISTEIA CAPITAL, L.L.C.100,000$1.0M0.02%Share
30K2 PRINCIPAL FUND, L.P.100,000$1.0M0.08%Share
31Magnetar Financial LLC100,000$1.0M0.01%Share
32OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)100,000$1.0M0.12%Share
33Clear Street Group Inc.98,433$1.0M0.00%Share
34TWO SIGMA INVESTMENTS, LP150,624$1.0M0.00%Share
35CITADEL ADVISORS LLC169,701$1.0M0.00%Share
36PICTON MAHONEY ASSET MANAGEMENT100,000$1.0M0.01%Share
37TORONTO DOMINION BANK102,438$1.0M0.00%Share
38RIVERNORTH CAPITAL MANAGEMENT, LLC88,032$897K0.04%Share
39Virtu Financial LLC80,288$819K0.03%Share
40PERISCOPE CAPITAL INC.79,600$811K0.09%Share
41AQR Arbitrage LLC75,932$774K0.02%Share
42BERKLEY W R CORP74,416$759K0.04%Share
43Kamunting Street Capital Management, L.P.60,000$624K0.43%Share
44Mint Tower Capital Management B.V.50,000$510K0.06%Share
45Quarry LP49,959$509K0.08%Share
46GRITSTONE ASSET MANAGEMENT LLC49,433$504K0.48%Share
47METEORA CAPITAL, LLC548,426$318K0.03%Share
48Westchester Capital Management, LLC28,653$296K0.01%Share
49Yakira Capital Management, Inc.25,000$260K0.09%Share
50Harraden Circle Investments, LLC429,348$249K0.05%Share

ONCH Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 202573$155.0M-2
Q3 202575$165.9B—

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As of Q4 2025, 50 institutional investors hold ONCH (1RT Acquisition Corp.). The largest holder is METEORA CAPITAL, LLC with $15.7M in shares. This quarter, 9 institutions opened new positions and 10 closed their positions.

Frequently Asked Questions

How many hedge funds own ONCH?

As of Q4 2025, 50 institutional investors report holding ONCH (1RT Acquisition Corp.) in their 13F filings.

Who is the largest institutional holder of ONCH?

The largest institutional holder of ONCH is METEORA CAPITAL, LLC with $15.7M in shares.

Is institutional ownership of ONCH increasing or decreasing?

This quarter, 9 institutions opened new positions in ONCH and 10 closed their positions.