Institutional Manager · CIK 0001015083
EMERALD ADVISERS, LLC
Leola, PA · File #028-05618
Latest AUM
$3.25B
Positions
246
Top-10 Concentration
30.5%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | LUMENTUM HOLDINGS INC | LITE | -215,691 | -$79.5M | +$74.9M |
| NEW | PIPER SANDLER CO | PIPR | +82,407 | +$28.0M | $0 |
| REDUCE | SITIME CORPORATION | SITM | -73,911 | -$26.1M | +$8.4M |
| NEW | SYNAPTICS INC | SYNA | +339,113 | +$25.1M | $0 |
| ADD | TETRA TECHNOLOGIES | 88162F105 | +2,605,893 | +$24.4M | +$902,860 |
| REDUCE | CLEARWATER ANALYTICS HDS | CWAN | -997,694 | -$24.1M | +$6.3M |
| NEW | TREVI THERAPEUTICS | TRVI | +1,892,276 | +$23.7M | $0 |
| REDUCE | TRAVERE THERAPEUTICS INC | TVTX | -552,583 | -$21.1M | +$30.7M |
| ADD | CECO ENVIRONMENTAL CORP | CECO | +339,118 | +$20.3M | +$1.0M |
| EXITED | NAPCO SECURITY | 630402105 | -466,165 | -$20.0M | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025246 pos · $3.25B
- 13F HOLDINGS REPORTQ/E Sep 2025257 pos · $3.12B
- 13F HOLDINGS REPORTQ/E Jun 2025248 pos · $2.73B
- 13F HOLDINGS REPORTQ/E Mar 2025243 pos · $2.22B
- 13F HOLDINGS REPORTQ/E Dec 2024254 pos · $2.58B
- 13F HOLDINGS REPORTQ/E Sep 2024248 pos · $2.59B
- 13F HOLDINGS REPORTQ/E Jun 2024247 pos · $2.38B
- 13F HOLDINGS REPORTQ/E Mar 2024243 pos · $2.49B
- 13F HOLDINGS REPORTQ/E Dec 2023232 pos · $2.06B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | GUARDANT HEALTH INC | GH | 861,824 | $88.0M | 4.32% |
| 2 | CREDO TECHNOLOGY GROUP HOLDINGS | CRDO | 496,139 | $71.4M | 3.50% |
| 3 | KRATOS DEFENSE AND SECURITY | 50077B207 | 875,063 | $66.4M | 3.26% |
| 4 | TTM TECHNOLOGIES INC | TTMI | 915,128 | $63.1M | 3.10% |
| 5 | TRAVERE THERAPEUTICS INC | TVTX | 1,594,184 | $60.9M | 2.99% |
| 6 | RAMBUS INC | RMBS | 626,985 | $57.6M | 2.82% |
| 7 | COGENT BIOSCIENCES INC | COGT | 1,583,346 | $56.2M | 2.76% |
| 8 | LUMENTUM HOLDINGS INC | LITE | 147,925 | $54.5M | 2.67% |
| 9 | MODINE MANUFACTURING CO | 607828100 | 389,935 | $52.1M | 2.55% |
| 10 | AEROVIRONMENT INC | AVAV | 211,531 | $51.2M | 2.51% |
| 11 | FABRINET | FN | 109,289 | $49.8M | 2.44% |
| 12 | BLOOM ENERGY CO | BE | 559,063 | $48.6M | 2.38% |
| 13 | VSE CORPORATION | VSECU | 279,543 | $48.3M | 2.37% |
| 14 | AXOS FINANCIAL INC | AX | 521,379 | $44.9M | 2.20% |
| 15 | LIVANOVA PLC | LIVN | 700,948 | $43.1M | 2.11% |
| 16 | TRANSMEDICS GROUP INC | TMDX | 351,349 | $42.7M | 2.10% |
| 17 | MOELIS & CO | MC | 615,594 | $42.3M | 2.07% |
| 18 | WAVE LIFE SCIENCES LTD | WVE | 2,455,089 | $41.7M | 2.05% |
| 19 | BRIDGEBIO PHARMA INC | BBIO | 535,764 | $41.0M | 2.01% |
| 20 | PALOMAR HOLDINGS INC | PLMR | 301,964 | $40.7M | 2.00% |