Assure Holdings Corp.
Assure Holdings Corp. (IONM) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · IONM · as of Jun 30, 2022
Ownership Breakdown
5
Institutional Holders
$263,000
Total Inst. Value
▼ $631,000 vs Q1
3.13M
Shares Outstanding
freeFloat 96.21%
180,198
13F Shares Held
▼ 859 vs Q1
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
IONM largest shareholders · institutional ownership
Q2 2022 · SEC 13F
Showing top 8 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
MANATUCK HILL PARTNERS, LLC surgical & medical instruments & apparatus | 157.7K | 1.22% | 1.22% | $230.00M | Aug 15, 2022 | — held |
MILLENNIUM MANAGEMENT LLC surgical & medical instruments & apparatus | 13.7K | 10.64% | 10.64% | $20.00M | Aug 15, 2022 | ▼ 8.8K |
TOWER RESEARCH CAPITAL LLC (TRC) surgical & medical instruments & apparatus | 6.9K | 5.34% | 5.34% | $10.00M | Aug 15, 2022 | NEW |
UBS GROUP AG surgical & medical instruments & apparatus | 1.5K | 1.14% | 1.14% | $2.00M | Aug 10, 2022 | ▲ 1.2K |
MORGAN STANLEY surgical & medical instruments & apparatus | 345 | 0.27% | 0.27% | $1.00M | Oct 27, 2022 | — held |
WELLS FARGO & COMPANY/MN surgical & medical instruments & apparatus | 20 | 0.02% | 0.02% | $0 | Aug 12, 2022 | ▲ 2 |
ROYAL BANK OF CANADA surgical & medical instruments & apparatus | 0 | 0.00% | 0.00% | $0 | Aug 15, 2022 | EXIT |
CONCOURSE FINANCIAL GROUP SECURITIES, INC. surgical & medical instruments & apparatus | 0 | 0.00% | 0.00% | $0 | Aug 9, 2022 | EXIT |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q2 2022 vs prior quarter
Q2 2022
2
Increased
+1.2K shares1
New Positions
first time holders1
Decreased
−8.8K shares2
Sold Out
fully exitedNet shares change (top 50)
7.6K
+1.2K / −8.8K
Net new holders
+0
1 new / 2 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
IONM insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
1
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Parsons Preston T 10 percent owner | Apr 11, 2023 | Sale | 2,500 | $3.03 | $7.6K | 175.0K | Form 4 ↗ |
Burian Martin Andrew director | Apr 6, 2023 | Sale | 500 | $3.31 | $1.7K | 2.9K | Form 4 ↗ |
Burian Martin Andrew director | Apr 10, 2023 | Sale | 2,609 | $2.84 | $7.4K | 250 | Form 4 ↗ |
Parsons Preston T 10 percent owner | Apr 4, 2023 | Sale | 1,400 | $3.66 | $5.1K | 182.7K | Form 4 ↗ |
Parsons Preston T 10 percent owner | Apr 4, 2023 | Sale | 2,500 | $5.00 | $12.5K | 180.2K | Form 4 ↗ |
Parsons Preston T 10 percent owner | Apr 4, 2023 | Sale | 2,700 | $5.33 | $14.4K | 177.5K | Form 4 ↗ |
Burian Martin Andrew director | Apr 4, 2023 | Sale | 480 | $4.41 | $2.1K | 3.7K | Form 4 ↗ |
Burian Martin Andrew director | Apr 4, 2023 | Sale | 300 | $4.80 | $1.4K | 3.4K | Form 4 ↗ |
Burian Martin Andrew director | Apr 4, 2023 | Sale | 600 | $5.60 | $3.4K | 1.0K | Form 4 ↗ |
Burian Martin Andrew director | Apr 4, 2023 | Sale | 320 | $4.65 | $1.5K | 0 | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Assure Holdings Corp. (IONM) is primarily owned by institutional investors, who hold approximately 5.8% of total shares outstanding. Company insiders own approximately 3.79%, while retail and public investors account for the remaining 90.46%.
The largest institutional shareholder of Assure Holdings Corp. is MANATUCK HILL PARTNERS, LLC, holding approximately 157,738 shares — equal to 1.22% of outstanding shares — as of June 30, 2022.
A total of 5 institutional investors currently hold IONM stock, with a combined institutional value of approximately $263,000 as of the most recent 13F filing period.
Frequently asked questions
IONM ownershipAssure Holdings Corp. (IONM) is primarily owned by institutional investors, who hold approximately 5.8% of shares. The largest shareholder is MANATUCK HILL PARTNERS, LLC with a 1.22% stake. Company insiders hold 3.79%. Data sourced from SEC Form 13F as of June 30, 2022.