SEC ownership of Helus Pharma Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001833141.

Comparable stake leader

Venrock Healthcare Capital Partners III, L.P.

Disclosed value leader

Adage Capital Management, L.P.

Comparable rows

9/50

Latest evidence

13 Oct 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
9 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Venrock Healthcare Capital Partners III, L.P.
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
13 Oct 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001833141
Issuer location
Toronto

Ownership snapshot

Top shareholders of Helus Pharma Inc. (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
Venrock Healthcare Capita...
Disclosed value leader
Adage Capital Management,...
Comparable rows
9/50
Latest evidence
13 Oct 2026
13D/G 3/4/5 13F Lead comparable stake: 9.9% 41 rows are not safely comparable across share classes. 13D/G row: Venrock Healthcare Capital Partners III, L.P. Showing 1-8 of 50 holder rows.

Quick read

Venrock Healthcare Capital Partners III, L.P. leads the comparable SEC ownership view at 9.9%.

9 of 50 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 Venrock Healthcare Capital Partners III, L.P.'s linked filing trail.
Comparable ownership Top 5
Venrock Healthcare Capital Partne... 9.9%
Adage Capital Management, L.P. 7.5%
Eric H. L. So 5.8%
Paul Glavine 5.8%
ORBIMED ADVISORS LLC 4.9%

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

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Venrock Healthcare Capital Partners III, L.P.
13D/G
9.9%
Reported 13D/G · 31 Oct 2025
$30,106,217
5,111,412 shares
$0 31 Oct 2025
Adage Capital Management, L.P.
13D/G
7.5%
Reported 13D/G · 30 Sep 2026
$57,532,125
5,479,250 shares
$0 30 Sep 2026
Eric H. L. So
13D/G 3/4/5
So Eric H. L. · Director
5.8%
Reported 13D/G · 01 Sep 2026
$50,653,586
4,423,894 shares
$0 01 Sep 2026
Paul Glavine
13D/G 3/4/5
Glavine Paul · Chief Growth Officer, Director
5.8%
Reported 13D/G · 01 Sep 2026
$50,465,371
4,407,456 shares
$0 01 Sep 2026
ORBIMED ADVISORS LLC
13D/G
ORBIMED CAPITAL LLC
4.9%
Reported 13D/G · 31 Dec 2025
—
2,422,600 shares
$0 31 Dec 2025
Sirenia Capital Management LP
13D/G
4.8%
Reported 13D/G · 30 Jun 2026
$20,085,585
3,029,500 shares
$0 30 Jun 2026
Deep Track Capital, LP
13D/G
4.7%
Reported 13D/G · 31 Dec 2025
$18,486,334
2,391,505 shares
-$5,262,159 31 Dec 2025
MILLENNIUM MANAGEMENT LLC
13D/G
1.4%
Reported 13D/G · 30 Sep 2026
$10,699,206
1,018,972 shares
$0 30 Sep 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.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to buying over the last 12 months. Net value: +$9,670,162.

Buys
$9,670,162
Insiders: 4
Sells
$0
Insiders: 0
Net
+$9,670,162
Shares: +788,000
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 788,000 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 788,000 0 $9,670,162 $0 +$9,670,162
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-11 of 11 reporting-owner rows connected to Helus Pharma Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
11
Largest Forms 3/4/5 holder
Paul Glavine
Net 12M change
+$9.67MFull value: +$9,670,162 · USD · 12-month change
Latest report
16 Oct 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Paul Glavine Chief Growth Officer, Director $32,925,282 +$4,715,337 +17% Mixed 30 Sep 2026
Eric H. L. So Director $31,507,423 +$3,569,045 +13% Mixed 30 Sep 2026
Amir Inamdar Director $2,799,932 Median 13 Oct 2026
Michael Halstead Chief Executive Officer $2,270,695 +$1,347,050 +146% Filing P/S 21 Sep 2026
Grant Froese Director $1,981,922 Median 13 Oct 2026
Mark Lawson Director $1,966,719 Median 13 Oct 2026
Eric Hoskins Director $1,949,586 Median 13 Oct 2026
Freda Lewis-Hall Director $1,229,000 Median 13 Oct 2026
Theresa Firestone Director $944,842 Median 13 Oct 2026
Greg Cavers Chief Financial Officer $871,173 +$38,730 +4.7% Mixed 29 Sep 2026
Suresh K. Durgam Director Mixed 16 Oct 2026

Recent insider transactions for Helus Pharma Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Eric H. L. So HELP Common Shares Award 5.55% 248,000 4,713,014 30 Sep 2026 Direct
Paul Glavine HELP Common Shares Award 5.51% 248,000 4,750,191 30 Sep 2026 Direct
Greg Cavers HELP Common Shares Purchase $38,730 $12.91 3,000 3,000 29 Sep 2026 Held by spouse
Michael Halstead HELP Common Shares Purchase 145.8% $1,347,050 $13.47 100,000 168,568 21 Sep 2026 Direct
Paul Glavine HELP Common Shares Purchase 2.4% $1,247,190 $12.47 100,000 4,271,252 08 Sep 2026 Direct
Paul Glavine HELP Common Shares Purchase 2.4% $1,247,190 $12.47 100,000 4,271,252 08 Sep 2026 Direct
Eric H. L. So HELP Common Shares Purchase 2.29% $1,238,670 $12.39 100,000 4,465,014 08 Sep 2026 Direct
Eric H. L. So HELP Common Shares Purchase 2.34% $1,208,900 $12.09 100,000 4,365,014 04 Sep 2026 Direct
Paul Glavine HELP Common Shares Purchase 2.46% $1,178,280 $11.78 100,000 4,171,252 03 Sep 2026 Direct
Eric H. L. So HELP Common Shares Purchase 2.28% $1,121,475 $11.80 95,000 4,265,014 01 Sep 2026 Direct
Paul Glavine HELP Common Shares Purchase 2.26% $1,042,677 $11.59 90,000 4,071,252 31 Aug 2026 Direct
* marks a reported price that did not pass the local price check.
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