Driehaus Capital Management LLC
Position in EOSE — Eos Energy Enterprises, Inc.
CIK 938206
Chicago, IL
Position in EOSE
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$73,751,083
-$89,786,486 QoQ
Shares Held
14,869,170
+4.2% QoQ
Ownership
4.38%
of shares outstanding
% of Portfolio
0.54%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2025
5 quarters on record
Voting authority
Sole 81.96175711219928.ToString("F0")%
Shared 0.ToString("F0")%
None 18.03824288780073.ToString("F0")%
Common Shares in EOSE Over Time
Shares Held
Position Value (USD)
Position in Electrical Equipment & Parts
Industrials · as of Mar 31, 2026Driehaus Capital Management LLC holds $359,581,787 across 6 Electrical Equipment & Parts names. EOSE ranks #2 (20.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BE |
Bloom Energy Corp
|
849,801 | $115,139,537 | |
| 2 | EOSE |
Eos Energy Enterprises, Inc.
This page
|
14,869,170 | $73,751,083 | |
| 3 | AMPX |
Amprius Technologies, Inc.
|
3,794,178 | $63,969,841 | |
| 4 | AEIS |
Advanced Energy Industries Inc
|
177,018 | $57,125,478 | |
| 5 | FPS |
Forgent Power Solutions, Inc.
|
1,384,123 | $40,513,280 | |
| 6 | POWL |
Powell Industries Inc
|
50,358 | $9,082,568 |
All Filings in EOSE
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $73,751,083 | 14,869,170 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $163,537,569 | 14,270,294 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $74,781,147 | 6,565,509 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $36,054,830 | 7,041,959 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $13,455,760 | 3,559,725 | Shares | Sole | 2025-05-15 | |
| No filing history on record for this holder in this stock. | ||||||