Vault-13

HELIX ACQUISITION CORP II BBOT

CL A ORD SHS · Common Stock · CUSIP G4444H101

0 institutional holders -35 vs Q2 2025
—reported value*
0 new 0 added 0 reduced 33 sold out net sold ≈ $175.4m (-16.5m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable.

Trends to Q3 2025

Institutional holders

Managers reporting a position, each quarter

02040Q1 24: 30Q2 24: 32Q3 24: 32Q4 24: 33Q1 25: 32Q2 25: 35Q3 25: 00Q1 24Q3 24Q1 25Q3 25
Numbers
QuarterHolders
Q1 202430
Q2 202432
Q3 202432
Q4 202433
Q1 202532
Q2 202535
Q3 20250

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
40040Q2 24: 7 bought or addedQ2 24: 3 cut or sold outQ2 24Q3 24: 6 bought or addedQ3 24: 5 cut or sold outQ3 24Q4 24: 9 bought or addedQ4 24: 6 cut or sold outQ4 24Q1 25: 12 bought or addedQ1 25: 10 cut or sold outQ1 25Q2 25: 14 bought or addedQ2 25: 8 cut or sold outQ2 25Q3 25: 0 bought or addedQ3 25: 33 cut or sold outQ3 25
Numbers
QuarterBought or addedCut or sold out
Q2 202473
Q3 202465
Q4 202496
Q1 20251210
Q2 2025148
Q3 2025033

Biggest buyers

None

Biggest sellers

Cormorant Asset Management, LP Sold out -2,909,000-2.9m
BlackRock, Inc. Sold out -1,498,865-1.5m
CITADEL ADVISORS LLC Sold out -1,427,201-1.4m
ADAGE CAPITAL PARTNERS GP, L.L.C. Sold out -1,400,000-1.4m
PRICE T ROWE ASSOCIATES INC /MD/ Sold out -1,071,550-1.1m
MILLENNIUM MANAGEMENT LLC Sold out -897,251-897.3k
Sculptor Capital LP Sold out -800,000-800.0k
SILVERARC CAPITAL MANAGEMENT, LLC Sold out -613,393-613.4k
FARALLON CAPITAL MANAGEMENT, L.L.C. Sold out -600,000-600.0k
Harraden Circle Investments, LLC Sold out -569,831-569.8k

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
Helix Holdings II LLC 13D · may seek influence filed 2025-03-04
Stated purposeItem 4 is hereby amended and supplemented as follows: On February 8, 2025, in connection with the appointment of Albert A. Holman III to the board of directors of the Issuer, the Sponsor transferred 30,000 Class B ordinary shares held by it to Mr. Holman. As reported by the Issuer on a Current Report on Form 8-K filed on March 3, 2025, on February 28, 2025 (the "Helix 8-K") the Issuer entered into a business combination agreement (the "Business Combination Agreement") by and among the Issuer, Helix II Merger Sub, Inc. ("Merger Sub") and TheRas, Inc. (doing business as BridgeBio Oncology Therapeutics, Inc. "BBOT"). Upon the terms and subject to the conditions of the Business Combination Agreement, (i) Helix will de-register in the Cayman Islands and transfer by way of continuation out of… Full filing
 31.6% 7.4m 2025-03-04
Sculptor Capital LP 13G · passive investor new · filed 2025-07-24 5.1% new 967.5k 2025-07-24

Insider purchases and sales in Q3 2025

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
101Q4 23: 0 buyingQ4 23: 0 sellingQ1 24: 1 buyingQ1 24: 0 sellingQ1 24Q2 24: 0 buyingQ2 24: 0 sellingQ3 24: 0 buyingQ3 24: 0 sellingQ3 24Q4 24: 0 buyingQ4 24: 0 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25Q2 25: 0 buyingQ2 25: 0 sellingQ3 25: 0 buyingQ3 25: 0 sellingQ3 25
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20230—0——
Q1 20241$24.0m0——
Q2 20240—0——
Q3 20240—0——
Q4 20240—0——
Q1 20250—0——
Q2 20250—0——
Q3 20250—0——

None reported in Q3 2025.

Holders, Q3 2025

#ManagerLocationShares Value% of their portfolioChangeShares change