Helix Acquisition Corp. III - Class A ordinary shares, par value $0.0001 per share (HLXC)

Q: What does CUSIP G4444S107 represent in this 13F holders report?

CUSIP G4444S107 is the security identifier for HLXC - Helix Acquisition Corp. III - Class A ordinary shares, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held HLXC - Helix Acquisition Corp. III - Class A ordinary shares, par value $0.0001 per share in Q1 2026?

43 institutional investors reported HLXC - Helix Acquisition Corp. III - Class A ordinary shares, par value $0.0001 per share for Q1 2026. Use the holders table for investor-level position and value details.

CUSIP: G4444S107

Q1 2026 13F Holders as of 31 Mar 2026

Security type / class: Equity / Class A ordinary shares, par value $0.0001 per share
Total 13F shares: 17,579,461
Total 13F value: $178,936,810
Share change: +17,429,461
SEC-reported price per share: $10.16
Number of holders: 43
Value change: +$177,412,810
Number of buys: 42
Shares outstanding: 17,857,143

Security key

G4444S107

Report period

Q1 2026

Institutions

Top holders

HLXC full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 Helix Acquisition Corp. III SEC filings Helix Acquisition Corp. III company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP G4444S107

Newer quarter: Q2 2026

Recent filing periods:

Q2 2026 Q1 2026

Ownership snapshot

Top reported holders of HLXC - Helix Acquisition Corp. III - Class A ordinary shares, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Helix Holdings III LLC

Disclosed value leader

Nantahala Capital Managem...

Comparable rows

7/8

Latest evidence

31 Mar 2026

13D/G 3/4/5 Lead comparable stake: 25% 1 rows are not safely comparable across share classes. 13D/G row: Helix Holdings III LLC Showing 1-6 of 8 holder rows.

Quick read

Helix Holdings III LLC leads the comparable SEC ownership view at 25%.

7 of 8 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Helix Holdings III LLC's linked filing trail.

Comparable ownership Top 5

Helix Holdings III LLC 25%

Nantahala Capital Management, LLC 8.3%

Affinity Asset Advisors, LLC 7%

RA CAPITAL MANAGEMENT, L.P. 7%

SILVERARC CAPITAL MANAGEMENT, LLC 6.8%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 8 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Helix Holdings III LLC	13D/G Bihua Chen 13D/G	25%	— 5,550,000 shares	$0	26 Jan 2026
Nantahala Capital Management, LLC	13D/G 13D/G	8.3%	$12,700,000 1,250,000 shares	$0	31 Mar 2026
Affinity Asset Advisors, LLC	13D/G 13D/G	7%	$12,700,000 1,250,000 shares	$0	31 Mar 2026
RA CAPITAL MANAGEMENT, L.P.	13D/G 13D/G	7%	— 1,250,000 shares	$0	26 Jan 2026
SILVERARC CAPITAL MANAGEMENT, LLC	13D/G 13D/G	6.8%	$12,283,298 1,208,986 shares	$0	31 Mar 2026
ADAR1 Capital Management, LLC	13D/G 13D/G	5.6%	$10,160,000 1,000,000 shares	$0	31 Mar 2026

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

17,579,461

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2026 vs Q1 2026 Across Filers

Q1 2026 holders

Holder diff

Investor	Q1 2026 Shares	Q1 2026 Shares	Share Diff	Share Chg %	Q1 2026 value	Q1 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend