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1RT Acquisition Corp.

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Who holds a company, from every 13F filed for the quarter, one row per filer exactly as filed, against the latest share count the company reported.

1RT Acquisition Corp.

CIK 0002054272ONCHONCHUONCHW· quarter ending 2026-06-30
Shares outstanding
21,562,500
as of 2026-08-13 · 10-Q cover page, filed 2026-08-13
Held by 13F filers
12,620,009
73.2% of Common Class A
Holders
58
+1 vs 2026-03-31 · 2 new, 1 exited
Value
$129.3M
shares +7.1% vs prior quarter

Share classes (cover page of the 10-Q filed 2026-08-13, as of 2026-08-13)

ClassListedShares outstandingHeld by 13F filers% of classHoldersCUSIP
Common Class AONCH · NASDAQ17,250,00012,620,00973.2%58G6757R105
Common Class Bnot listed4,312,500——

Each class is compared with its own share count; classes are not added together. A class that is not exchange-listed cannot be held by 13F filers.

Securities (CUSIPs held in 13F this quarter)

tick to combine
CountCUSIPClass (as filers write it)HoldersShares heldClass shares% of classValueOptionsMapped via
G6757R105USD CL A ORD SHS5812,620,00917,250,00073.2%$129.3M1 call / 0 put13DGholders →
G6757R121UNIT 06/26/2030not common173,156,152——$32.7M—13DGholders →
G6757R113*W EXP 06/26/203not common402,942,766——$1.6M1 call / 0 putNPORTholders →

Totals combine the ticked CUSIPs and update as you tick: common-stock classes by default; preferreds, notes, warrants and depositary shares are listed but not counted. "holders →" shows a single CUSIP on its own. Bonds are held as a principal amount, not shares. Options positions are never counted as holdings.

Top holders (58 of 58 · G6757R105)

change vs 2026-03-31
#FilerShares% of classValueChange
1Meteora Capital, LLC1,699,6939.85%$17.4M-5,321 (-0.3%)
2Linden Advisors LP1,010,1005.86%$10.3M—
3Jain Global LLC891,2215.17%$9.1M—
4Governors Lane LP750,0004.35%$7.7M—
5J. Goldman & Co LP700,0004.06%$7.2M—
6MMCAP International Inc. SPC600,0003.48%$6.2M—
7Verition Fund Management LLC529,3583.07%$5.4M+184,123 (+53.3%)
8Polar Asset Management Partners Inc.500,0002.90%$5.1MNEW
9Radcliffe Capital Management, L.P.425,7322.47%$4.4M+40,296 (+10.5%)
10Saba Capital Management, L.P.424,9322.46%$4.4M-100,000 (-19.1%)
11First Trust Capital Management L.P.299,9961.74%$3.1M—
12MILLENNIUM MANAGEMENT LLC293,2001.70%$3.0M+40 (+0.0%)
13WHITEBOX ADVISORS LLC260,0001.51%$2.7M—
14HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND250,0001.45%$2.6M—
15MOORE CAPITAL MANAGEMENT, LP250,0001.45%$2.6M—
16Context Capital Management, LLC250,0001.45%$2.6M—
17TENOR CAPITAL MANAGEMENT Co., L.P.250,0001.45%$2.6M—
18HBK INVESTMENTS L P249,3041.45%$2.6M—
19Mint Tower Capital Management B.V.200,0001.16%$2.0M—
20GLAZER CAPITAL, LLC163,0000.94%$1.7M+88,000 (+117.3%)
21SONA ASSET MANAGEMENT (US) LLC161,2000.93%$1.7M—
22Periscope Capital Inc.153,9620.89%$1.6M—
23TWO SIGMA INVESTMENTS, LP150,6240.87%$1.5M—
24Clear Street Group Inc.145,4120.84%$1.5M+106,380 (+272.5%)
25Cable Car Capital, LP125,0000.72%$1.3M—
26WOLVERINE ASSET MANAGEMENT LLC120,5180.70%$1.2M-33,730 (-21.9%)
27Shaolin Capital Management LLC119,6990.69%$1.2M-38,957 (-24.6%)
28Schonfeld Strategic Advisors LLC110,1070.64%$1.1M+90,107 (+450.5%)
29DLD Asset Management, LP109,3310.63%$1.1M—
30K2 PRINCIPAL FUND, L.P.100,0000.58%$1.0M—
31O'Connor Alternative Investments LLC100,0000.58%$1.0M—
32Magnetar Financial LLC100,0000.58%$1.0M—
33PICTON MAHONEY ASSET MANAGEMENT100,0000.58%$1.0M—
34ARISTEIA CAPITAL, L.L.C.100,0000.58%$1.0M—
35MIZUHO SECURITIES USA LLC97,4810.57%$985K+37,228 (+61.8%)
36RIVERNORTH CAPITAL MANAGEMENT, LLC88,0320.51%$905K—
37BERKLEY W R CORP74,4160.43%$762K—
38AQR Arbitrage LLC73,5350.43%$753K+400 (+0.5%)
39Centiva Capital, LP60,0000.35%$614K—
40JPMORGAN CHASE & CO53,1520.31%$545K—
41READYSTATE ASSET MANAGEMENT LP50,0000.29%$512K—
42RLH Capital LLC49,9590.29%$512K—
43Quarry LP49,9590.29%$512K—
44GRITSTONE ASSET MANAGEMENT LLC49,4330.29%$507K—
45COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS47,7370.28%$489K+37,737 (+377.4%)
46BOOTHBAY FUND MANAGEMENT, LLC41,0700.24%$421K-5,000 (-10.9%)
47D. E. Shaw & Co., Inc.29,9520.17%$307K+5 (+0.0%)
48BNP PARIBAS FINANCIAL MARKETS27,1680.16%$278K—
49Hudson Bay Capital Management LP25,0000.14%$256K—
50Davidson Kempner Capital Management LP25,0000.14%$256K—
51Alberta Investment Management Corp25,0000.14%$256K—
52Virtu Financial LLC18,4800.11%$189K-56,677 (-75.4%)
53TORONTO DOMINION BANK15,0350.09%$154K-10,001 (-39.9%)
54TIG Advisors, LLC10,0000.06%$103K—
55Bulldog Investors, LLP10,0000.06%$103KNEW
56PenderFund Capital Management Ltd.7,0000.04%$72K+2,000 (+40.0%)
57UBS Group AG1490.00%$2K—
58MORGAN STANLEY620.00%$636-16 (-20.5%)
Exited since 2026-03-31 (1 filers; largest 1 shown)
CITADEL ADVISORS LLC−10,657

Large holders from 13D/13G (latest per reporting person, last 2 years)

Filed when a holder crosses 5% or changes materially, so often more current than the quarter-end 13F. Percentages are the filer's own, against the share count they used.

Reporting personFormFiledEventShares% of class
Meteora Capital, LLCSCHEDULE 13G/A2026-08-142026-06-301,699,6969.85%
RP Select Opportunities Master Fund Ltd.SCHEDULE 13G/A2026-05-152026-03-31320,7831.9%
RP Investment Advisors LPSCHEDULE 13G/A2026-05-152026-03-311,080,9066.3%
RP Debt Opportunities Fund Ltd.SCHEDULE 13G/A2026-05-152026-03-31194,8861.1%
RP Alternative Global Bond FundSCHEDULE 13G/A2026-05-152026-03-31480,2282.8%
RP Alternative Credit Opportunities FundSCHEDULE 13G/A2026-05-152026-03-3185,0090.5%
Harraden Circle Investors GP, LPSCHEDULE 13G/A2026-05-142026-03-3100%
Harraden Circle Investors GP, LLCSCHEDULE 13G/A2026-05-142026-03-3100%
Harraden Circle Investments, LLCSCHEDULE 13G/A2026-05-142026-03-3100%
Harraden Circle Investors, LPSCHEDULE 13G/A2026-05-142026-03-3100%
Harraden Circle Special Opportunities, LPSCHEDULE 13G/A2026-05-142026-03-3100%
Harraden Circle Strategic Investments, LPSCHEDULE 13G/A2026-05-142026-03-3100%
Frederick V. Fortmiller, Jr.SCHEDULE 13G/A2026-05-142026-03-3100%
Harraden Circle Concentrated, LPSCHEDULE 13G/A2026-05-142026-03-3100%
Linden Advisors LPSCHEDULE 13G2026-03-122026-03-051,010,1005.9%
Linden Capital L.P.SCHEDULE 13G2026-03-122026-03-05973,0965.6%
Linden GP LLCSCHEDULE 13G2026-03-122026-03-05973,0965.6%
Siu Min WongSCHEDULE 13G2026-03-122026-03-051,010,1005.9%
Jay G. GoldmanSCHEDULE 13G/A2026-02-172025-12-31862,5005%
J. Goldman Capital Management, Inc.SCHEDULE 13G/A2026-02-172025-12-31862,5005%
J. Goldman & Co LPSCHEDULE 13G/A2026-02-172025-12-31862,5005%
Jain Holdings LLCSCHEDULE 13G2025-11-142025-09-30894,3035.2%
Robert JainSCHEDULE 13G2025-11-142025-09-30894,3035.2%
GOLDMAN JAY GSCHEDULE 13G2025-11-142025-09-301,078,1256.2%
Jain Global LLCSCHEDULE 13G2025-11-142025-09-30894,3035.2%
Dan TapieroSCHEDULE 13G2025-08-132025-07-014,312,50020%
1RT Acquisition Sponsor LLCSCHEDULE 13G2025-08-132025-07-014,312,50020%
Point72 Capital Advisors, Inc.SCHEDULE 13G2025-07-072025-07-031,500,0008.7%
Point72 Asset Management, L.P.SCHEDULE 13G2025-07-072025-07-031,500,0008.7%
Boaz R. WeinsteinSCHEDULE 13G2025-07-072025-07-02800,0005.33%
Saba Capital Management GP, LLCSCHEDULE 13G2025-07-072025-07-02800,0005.33%
Saba Capital Management, L.P.SCHEDULE 13G2025-07-072025-07-02800,0005.33%
Steven A. CohenSCHEDULE 13G2025-07-072025-07-031,500,0008.7%

Source: SEC Form 13F-HR information tables for the quarter ending 2026-06-30 (filed within 45 days of quarter end; amendments applied; values normalised to dollars), the share count from the company's latest 10-K/10-Q XBRL cover page, and Schedule 13D/13G filings. Each row is a legal 13F filer as filed — related entities (e.g. Vanguard's advisers) are not merged. Retail brokerage accounts are not reported on 13F, so the remainder is mostly retail and insiders.