ESSEX INVESTMENT MANAGEMENT CO LLC
Position in INFU — InfuSystem Holdings, Inc
CIK 201772
BOSTON, MA
Position in INFU
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$2,762,834
+$125,143 QoQ
Shares Held
299,332
+1.8% QoQ
Ownership
1.50%
of shares outstanding
% of Portfolio
0.44%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2025
4 quarters on record
Voting authority
Sole 52%
Shared 0%
None 48%
Common Shares in INFU Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Jun 30, 2026ESSEX INVESTMENT MANAGEMENT CO LLC holds $38,562,883 across 13 Medical Devices names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BWAY |
Brainsway Ltd.
|
592,606 | $9,191,319 | |
| 2 | NVCR |
NovoCure Ltd
|
439,648 | $6,660,667 | |
| 3 | APYX |
Apyx Medical Corp
|
1,136,630 | $5,103,468 | |
| 4 | SIBN |
SI-BONE, Inc.
|
271,404 | $4,429,313 | |
| 5 | MASS |
908 Devices Inc.
|
470,244 | $4,091,122 | |
| 6 | GMED |
Globus Medical Inc
|
49,677 | $3,924,979 | |
| 7 | NPCE |
NeuroPace Inc
|
208,703 | $3,316,290 | |
| 8 | RPID |
Rapid Micro Biosystems, Inc.
|
362,696 | $627,464 |
All Filings in INFU
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,762,834 | 299,332 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $2,637,691 | 294,057 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $3,112,112 | 300,397 | Shares | Sole | 2025-11-06 | |
| 2025-06-30 | $1,720,761 | 275,763 | Shares | Sole | 2025-08-12 | |
| No filing history on record for this holder in this stock. | ||||||