1RT ACQUISITION CORP.

Ticker: ONCH CUSIP: G6757R105 Class: USD CL A ORD SHS

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
METEORA CAPITAL, LLC1,539,014$15,698
Harraden Circle Investments, LLC1,500,192$15,302
Jain Global LLC892,221$9,101
J. Goldman & Co LP862,500$8,798
Saba Capital Management, L.P.774,932$7,904
MMCAP International Inc. SPC600,000$6,120
Governors Lane LP522,663$5,331
LINDEN ADVISORS LP510,100$5,203
First Trust Capital Management L.P.299,996$3,060
Verition Fund Management LLC292,969$2,988
MILLENNIUM MANAGEMENT LLC261,952$2,672
WHITEBOX ADVISORS LLC260,000$2,652
Context Capital Management, LLC250,000$2,550
TENOR CAPITAL MANAGEMENT Co., L.P.250,000$2,550
MOORE CAPITAL MANAGEMENT, LP250,000$2,550
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND250,000$2,550
ExodusPoint Capital Management, LP250,000$2,550
HBK INVESTMENTS L P249,304$2,543
Mint Tower Capital Management B.V.200,000$2
Shaolin Capital Management LLC200,000$2,040
TWO SIGMA INVESTMENTS, LP150,624$1,536
Radcliffe Capital Management, L.P.139,292$1,421
Cable Car Capital, LP125,000$1,275
DLD Asset Management, LP109,331$1,115
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM100,000$1,020
ARISTEIA CAPITAL, L.L.C.100,000$1,020
Magnetar Financial LLC100,000$1,020
K2 PRINCIPAL FUND, L.P.100,000$1,020
PICTON MAHONEY ASSET MANAGEMENT100,000$1,020
RIVERNORTH CAPITAL MANAGEMENT, LLC88,032$898
Virtu Financial LLC80,288$1
Periscope Capital Inc.79,600$812
AQR Arbitrage LLC75,932$775
BERKLEY W R CORP74,416$759
Clear Street Group Inc.65,260$666
JPMORGAN CHASE & CO53,152$542
Quarry LP49,959$510
GRITSTONE ASSET MANAGEMENT LLC49,433$504
BOOTHBAY FUND MANAGEMENT, LLC46,070$470
Hudson Bay Capital Management LP25,000$255
Alberta Investment Management Corp25,000$255
DAVIDSON KEMPNER CAPITAL MANAGEMENT LP25,000$255
BNP PARIBAS ARBITRAGE, SA24,060$245
D. E. Shaw & Co., Inc.10,000$102
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS10,000$102
TIG Advisors, LLC10,000$102
Centiva Capital, LP10,000$102
TORONTO DOMINION BANK7,600$78
PenderFund Capital Management Ltd.5,000$51
MORGAN STANLEY46$0
Total (50 institutions)12,053,938$120,094