Stocks/Funds/CIK 1015083

EMERALD ADVISERS, LLC

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1015083
Assets
$3.16B
+42.3% YoY
Holdings
248
Lifetime alpha vs market
-0.52% annual
Average hold time
3.5 yr
median 2.8 yr

Quarterly history

Cum return +49% vs S&P +52% · α -3% lifetimeAUM $3.2B · peak $3.2BFlow $-78M (-2%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-9.37%
trims when stocks drop
when a holding falls −10%+
Middle response
-3.09%
baseline attrition
Rally response
-6.46%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
MODModine Manufacturing Com$82M2.6%+182.4%2.0 yr
GHGuardant Health, Inc.$78M2.5%+116.8%1.5 yr
BEBloom Energy Corporation$73M2.3%+589.2%1.8 yr
TTMITTM Technologies, Inc.$73M2.3%+375.0%1.8 yr
COGTCogent Biosciences, Inc.$61M1.9%+542.6%1.0 yr
KTOSKratos Defense & Securit$59M1.9%+137.5%9.5 yr
VSECVSE Corporation$58M1.8%+54.1%1.3 yr
FNFabrinet$56M1.8%+164.0%2.5 yr
AGXArgan, Inc.$52M1.6%+318.5%0.8 yr
AIRAAR Corp.$49M1.5%+95.5%3.0 yr
CRDOCredo Technology Group H$47M1.5%+133.7%4.0 yr
TVTXTravere Therapeutics, In$46M1.5%+65.8%3.0 yr
ESEESCO Technologies Inc.$46M1.4%+77.1%1.0 yr
MRCYMercury Systems, Inc.$43M1.4%+69.2%7.5 yr
LIVNLivaNova PLC$43M1.3%+61.8%5.5 yr

Portfolio composition (YoY)

Industry mix
Biotechnology13.2%+0.1pp$419M
Semiconductors12.4%+6.4pp$392M
Aerospace & Defense8.8%+3.4pp$280M
Hardware, Equipment & Parts6.6%+4.0pp$209M
Banks - Regional5.0%-0.4pp$157M
Software - Application4.3%-2.5pp$136M
Medical - Diagnostics & Research3.7%+0.9pp$118M
Medical - Devices3.3%-1.2pp$105M
Auto - Parts2.9%+2.0pp$92M
Engineering & Construction2.8%+2.7pp$88M
Country
US93.0%+3.4pp
KY1.8%+0.5pp
SG1.5%-0.3pp
GB1.4%-0.0pp
CA1.3%
BS0.6%+0.1pp
Unknown0.4%-4.6pp
IL0.0%+0.0pp
Top 5: 11.6% · Top 10: 20.3% · Top 25: 39.6%

Winners

TickerPrev $PnLYoY %
TTMI$30M+0.11B375.0%
CRDO$49M+0.07B133.7%
KTOS$44M+0.06B137.5%
BBIO$40M+0.05B114.8%
FN$28M+0.05B164.0%

Losers

TickerPrev $PnLYoY %
PLMR$52M-0.01B-12.8%

Top buys this quarter · 15

PLXS Plexus Corp.new+$34M
PIPR Piper Sandler Companiesnew+$28M
PVLA Palvella Therapeutics, Inc.new+$20M
BOBS Bob's Discount Furniture, Inc.new+$16M
IDCC InterDigital, Inc.+$15M
ATRO Astronics Corporation+$14M
IPGP IPG Photonics Corporation+$12M
HNGE Hinge Health, Inc.+$11M
CRVS Corvus Pharmaceuticals, Inc.new+$10M
SBCF Seacoast Banking Corporation o+$9M

Top sells this quarter · 15

LITE Lumentum Holdings Inc.$102M
SKYT SkyWater Technology, Inc.$28M
AAOI Applied Optoelectronics, Inc.$23M
ATI ATI Inc.$18M
ACAD ACADIA Pharmaceuticals Inc.$17M
VITL Vital Farms, Inc.exit$16M
TTMI TTM Technologies, Inc.$63M
MMSI Merit Medical Systems, Inc.exit$16M
CRS Carpenter Technology Corporati$12M
RMBS Rambus Inc.$12M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$3.16B248+56.82%+17.59%+39.23%-0.08B
2025-12-31$3.25B246+36.67%+17.72%+18.95%-0.09B
2025-09-30$3.12B256+32.35%+17.52%+14.84%-0.15B
2025-06-30$2.73B248+17.32%+14.94%+2.38%+0.01B
2025-03-31$2.22B243-1.34%+8.30%-9.64%-0.02B
2024-12-31$2.58B254+17.71%+24.89%-7.18%-0.10B
2024-09-30$2.59B248+27.92%+36.04%-8.11%+0.05B
2024-06-30$2.38B247+10.99%+24.49%-13.50%-0.18B
2024-03-31$2.49B243+14.03%+29.62%-15.59%+0.06B
2023-12-31$2.34B242+15.42%+26.18%-10.75%+0.01B
2023-09-30$2.06B232+8.37%+21.57%-13.20%-0.04B
2023-06-30$2.29B211+14.36%+19.42%-5.06%+0.08B
2023-03-31$2.09B210-15.52%-7.82%-7.71%-0.09B
2022-12-31$2.07B245+5.80%+7.56%-1.76%+0.02B
2022-09-30$1.94B245-2.75%-4.93%+2.18%+0.05B
2022-06-30$1.94B246-21.81%-16.11%-5.70%-0.11B