Security key
45685K102
InfuSystem Holdings, Inc - Common Stock (INFU)
CUSIP: 45685K102
Q4 2021 13F Holders as of 31 Dec 2021
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 12,625,590
- Total 13F value
- $214,972,766
- Share change
- +79,112
- Put/Call ratio
- 196%
- SEC-reported price per share
- $17.03
- Number of holders
- 81
- Value change
- +$2,594,287
- Number of buys
- 37
- Number of sells
- 40
- Shares outstanding
- 20,095,766
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2021
Institutions
81
Top holders
10
INFU full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
InfuSystem Holdings, Inc SEC filings
InfuSystem Holdings, Inc company facts
Broader feeds
Reporting periods
Holder history for CUSIP 45685K102
Recent filing periods:
Ownership snapshot
Top reported holders of INFU - InfuSystem Holdings, Inc - Common Stock (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
AWM Investment Company, Inc.
Disclosed value leader
AWM Investment Company, Inc.
Comparable rows
0/15
Latest evidence
30 Sep 2021
13F
Highest disclosed value: $26,060,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
AWM Investment Company, Inc. has the largest disclosed position value at $26.06M.
0 of 15 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 AWM Investment Company, Inc.'s linked filing trail.
Disclosed position value
Top 5
AWM Investment Company, Inc.
$26.06M
VANGUARD GROUP INC
$12.31M
BlackRock Finance, Inc.
$11.83M
NEXT CENTURY GROWTH INVESTORS LLC
$11.22M
Minerva Advisors LLC
$11.03M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| AWM Investment Company, Inc. |
13F
Company
|
—
denominator unverified
|
$26,060,000
2,000,000 shares
|
— | 30 Sep 2021 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$12,310,000
944,755 shares
|
— | 30 Sep 2021 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$11,828,000
907,812 shares
|
— | 30 Sep 2021 |
| NEXT CENTURY GROWTH INVESTORS LLC |
13F
Company
|
—
denominator unverified
|
$11,217,000
860,892 shares
|
— | 30 Sep 2021 |
| Minerva Advisors LLC |
13F
Company
|
—
denominator unverified
|
$11,028,000
846,351 shares
|
— | 30 Sep 2021 |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. |
13F
Company
|
—
denominator unverified
|
$8,463,000
649,480 shares
|
— | 30 Sep 2021 |
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 Q4 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
81
Shares
12,625,590
Rows available
81
| 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 Q4 2021 vs Q2 2026 Across Filers
Q2 2026 holders
100
Q4 2021 holders
81
Holder diff
-19
| Investor | Q2 2026 Shares | Q4 2021 Shares | Share Diff | Share Chg % | Q2 2026 value | Q4 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend