SEC ownership of AKUMIN INC.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001776197.

Comparable stake leader

Stonepeak GP Investors Holdings LP

Disclosed value leader

Riadh Zine

Comparable rows

0/21

Latest evidence

24 Jan 2024

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 1 signal
Latest parsed ownership date
24 Jan 2024
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001776197
Issuer location
Plantation, FL

Ownership snapshot

Top shareholders of AKUMIN 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
Stonepeak GP Investors Ho...
Disclosed value leader
Riadh Zine
Comparable rows
0/21
Latest evidence
24 Jan 2024
3/4/5 Highest disclosed value: $3,190,944 21 rows are not safely comparable across share classes. Showing 1-8 of 21 holder rows.

Quick read

Riadh Zine has the largest disclosed position value at $3.19M.

0 of 21 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 Riadh Zine's linked filing trail.
Disclosed position value Top 5
Stonepeak GP Investors Holdings LP $1.75M
Stonepeak Magnet Holdings LP $1.75M
SCW Capital Management, LP $1.58M
FOURSIXTHREE CAPITAL LP $927.6K
Riadh Zine $3.19M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-8 of 21 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Stonepeak GP Investors Holdings LP
3/4/5
Other*, 10%+ Owner
class O/S missing
$1,750,000
3,500,000 shares
26 Jun 2023
Stonepeak Magnet Holdings LP
3/4/5
Other*, 10%+ Owner
class O/S missing
$1,750,000
3,500,000 shares
01 Jan 2022
SCW Capital Management, LP
3/4/5
10%+ Owner
class O/S missing
$1,583,871
3,167,742 shares
21 Jul 2022
FOURSIXTHREE CAPITAL LP
3/4/5
10%+ Owner
class O/S missing
$927,566
1,855,131 shares
24 Jan 2024
Riadh Zine
3/4/5
Chief Executive Officer, Director
class O/S missing
$3,190,944
6,381,888 shares
07 Apr 2023
Stanley G. Dunford
3/4/5
Director
class O/S missing
$2,756,874
5,513,746 shares
07 Apr 2023
James Harold Webb
3/4/5
Director
class O/S missing
$1,070,499
2,140,996 shares
07 Apr 2023
Rohit Navani
3/4/5
Chief Corporate Affairs Officer
class O/S missing
$544,358
1,088,715 shares
07 Apr 2023
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

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 17 Jun 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
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 1-20 of 29 reporting-owner rows connected to AKUMIN INC.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
29
Largest Forms 3/4/5 holder
Riadh Zine
Net 12M change
$0
Latest report
24 Jan 2024
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Riadh Zine Chief Executive Officer, Director $3,190,944 Mixed 07 Apr 2023
Stanley G. Dunford Director $2,756,874 Mixed 07 Apr 2023
Stonepeak Magnet Holdings LP Other*, 10%+ Owner $1,750,000 Mixed 01 Jan 2022
Stonepeak GP Investors Holdings LP Other*, 10%+ Owner $1,750,000 Mixed 26 Jun 2023
SCW Capital Management, LP 10%+ Owner $1,583,871 Mixed 21 Jul 2022
James Harold Webb Director $1,070,499 Mixed 07 Apr 2023
FOURSIXTHREE CAPITAL LP 10%+ Owner $927,566 Mixed 24 Jan 2024
Rohit Navani Chief Corporate Affairs Officer $544,358 Mixed 07 Apr 2023
Murray Lee Director $217,476 Mixed 07 Apr 2023
R. David Kretschmer Chief Financial Officer $215,919 Mixed 07 Apr 2023
Thomas Davies Director $202,226 Mixed 07 Apr 2023
John R. Wagner Director $158,080 Mixed 07 Apr 2023
Krishna Kumar President and COO $125,000 Mixed 15 Jul 2023
Paul S. Viviano Director $108,307 Mixed 07 Apr 2023
Haichen Huang Director $108,307 Mixed 07 Apr 2023
Matt Cameron Chief Legal Officer & Corporate Secretary Exhibit List - Exhibit 24 - Power of Attorney $62,997 Mixed 01 Jan 2022
Lawrence Ross Sinclair Director $50,000 Mixed 01 Jan 2023
Rhonda A. Longmore-Grund Co-Chief Executive Officer & President Exhibit List - Exhibit 24 - Power of Attorney, Director $50,000 Mixed 01 Jan 2022
James Wyper Director $28,539 Mixed 31 Mar 2023
William E. Larkin Chief Financial Officer $25,000 Mixed 01 Jan 2022

Recent insider transactions for AKUMIN 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
No insider transactions were found in the last 12 months for this issuer.
* marks a reported price that did not pass the local price check.
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