Stocks/Funds/CIK 884300

PERKINS CAPITAL MANAGEMENT INC

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 884300
Assets
$105M
+11.9% YoY
Holdings
85
Lifetime alpha vs market
-6.77% annual
Average hold time
5.5 yr
median 5.8 yr

Quarterly history

Cum return +15% vs S&P +52% · α -37% lifetimeAUM $105M · peak $176MFlow $-12M (-10%)2016-032017-092019-032020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-2.00%
trims when stocks drop
when a holding falls −10%+
Middle response
-3.10%
baseline attrition
Rally response
-2.82%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
NTRANatera, Inc.$9M8.4%+41.4%7.8 yr
LLYEli Lilly and Company$8M7.7%+12.2%10.3 yr
AXGNAxoGen, Inc.$6M5.3%+79.1%10.3 yr
IDXXIDEXX Laboratories, Inc.$5M5.2%+33.8%10.3 yr
MSFTMicrosoft Corporation$4M4.0%-0.6%10.3 yr
BFLYButterfly Network, Inc.$4M3.6%+77.2%1.3 yr
CIENCiena Corporation$3M3.3%+542.4%7.3 yr
$3M3.2%2.5 yr
AMDAdvanced Micro Devices, $3M3.0%+98.0%8.3 yr
QUIKQuickLogic Corporation$3M2.7%+83.6%6.3 yr
LMATLeMaitre Vascular, Inc.$3M2.7%+31.3%9.8 yr
OOMAOoma, Inc.$3M2.5%+11.2%8.3 yr
VCYTVeracyte, Inc.$2M2.3%+8.6%8.3 yr
ABTAbbott Laboratories$2M2.0%-21.1%10.3 yr
ATECAlphatec Holdings, Inc.$2M1.8%+7.3%6.3 yr

Portfolio composition (YoY)

Industry mix
Medical - Diagnostics & Research18.8%+1.0pp$20M
Medical - Devices17.8%+5.0pp$19M
Drug Manufacturers - General12.4%-2.1pp$13M
Semiconductors6.8%+1.8pp$7M
Unknown6.3%+3.3pp$7M
Communication Equipment5.5%+4.1pp$6M
Software - Infrastructure5.1%-1.3pp$5M
Biotechnology5.1%-3.1pp$5M
Telecommunications Services4.5%-0.5pp$5M
Medical - Instruments & Supplies3.6%-1.0pp$4M
Country
US90.5%-4.4pp
Unknown6.3%+3.3pp
IL1.5%+1.0pp
CA0.7%-0.1pp
GB0.4%+0.1pp
NL0.3%-0.1pp
SG0.2%
CH0.0%
Top 5: 30.7% · Top 10: 46.5% · Top 25: 71.3%

Winners

TickerPrev $PnLYoY %
CIEN$1M+0.00B542.4%
AXGN$5M+0.00B79.1%
NTRA$7M+0.00B41.4%
AMD$2M+0.00B98.0%
IDXX$4M+0.00B33.8%

Losers

TickerPrev $PnLYoY %
ABT$3M-0.00B-21.1%
BLZE$1M-0.00B-28.6%
NEO$2M-0.00B-21.8%
MSFT$5M-0.00B-0.6%

Top buys this quarter · 15

TLSI TriSalus Life Sciences, Inc.new+$1M
SPAI Safe Pro Group Inc. Common Stonew+$1M
QUIK QuickLogic Corporation+$0M
STX Seagate Technology Holdings plnew+$0M
BLZE Backblaze, Inc.+$1M
PERI Perion Network Ltd.+$0M
XGN Exagen Inc.+$0M
BFLY Butterfly Network, Inc.+$0M
DCI Donaldson Company, Inc.+$0M
IRIX IRIDEX Corporation+$0M

Top sells this quarter · 15

SKYT SkyWater Technology, Inc.$3M
AXGN AxoGen, Inc.$2M
DAWN Day One Biopharmaceuticals, Inexit$2M
APPS Digital Turbine, Inc.exit$1M
INTC Intel Corporationexit$1M
AAPL Apple Inc.$1M
AMD Advanced Micro Devices, Inc.$0M
LMAT LeMaitre Vascular, Inc.$2M
CSTL Castle Biosciences, Inc.$0M
MSFT Microsoft Corporation$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$105M85+34.62%+17.59%+17.03%-0.01B
2025-12-31$124M90+10.56%+17.72%-7.16%-0.00B
2025-09-30$112M82+25.21%+17.52%+7.70%+0.00B
2025-06-30$98M80+17.75%+14.94%+2.81%-0.01B
2025-03-31$94M81-2.79%+8.30%-11.10%+0.01B
2024-12-31$111M80+26.62%+24.89%+1.73%-0.02B
2024-09-30$107M83+28.16%+36.04%-7.88%-0.01B
2024-06-30$106M87+4.32%+24.49%-20.17%-0.00B
2024-03-31$120M89+10.71%+29.62%-18.91%+0.00B
2023-12-31$117M91+22.74%+26.18%-3.43%-0.01B
2023-09-30$101M97-11.46%+21.57%-33.03%+0.00B
2023-06-30$115M96-7.65%+19.42%-27.07%+0.01B
2023-03-31$106M96-20.64%-7.82%-12.82%-0.00B
2022-12-31$95M99-7.01%+7.56%-14.57%+0.01B
2022-09-30$89M103-9.83%-4.93%-4.90%+0.00B
2022-06-30$96M104-15.60%-16.11%+0.51%-0.01B