AIGH Capital Management LLC

Fundamental concentrated ★Signal CIK 1835943
League rank
#10
in Fundamental concentrated · #11 overall
Long book
$488.3M
Q1 2026
Positions
40
Top-10 weight
62%
concentration
Last quarter
+73.1%
SPY +14.8%
Turnover
46%
of book per quarter

Strategy in plain words

auto-generated from filings

AIGH Capital Management LLC is a concentrated fundamental stock-picker, running a $488.3M US long book across 40 positions.

The portfolio is concentrated: the top 10 names carry 62% of the portfolio. The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: SANDISK CORP, TIGO ENERGY INC, SILICON MOTION TECHNOL-ADR, ZEBRA TECHNOLOGIES CORP-CL A, NLIGHT INC.

Over the last 9 quarters its long book ran on average 11.9pp per quarter ahead of the S&P 500, beating the index in 6 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
-5.0%
Q2 2024
-3.1%
Q3 2024
+11.2%
Q4 2024
-19.8%
Q1 2025
+16.6%
Q2 2025
+24.9%
Q3 2025
+24.0%
Q4 2025
+26.0%
Q1 2026
+73.1%

Sector allocation

Technology
44%
Healthcare
42%
Industrials
11%
Financials
3%

Long book by quarter

$207.5M
Q1 2024
$204.9M
Q2 2024
$213.6M
Q3 2024
$265.7M
Q4 2024
$192.7M
Q1 2025
$213.1M
Q2 2025
$285.6M
Q3 2025
$338.3M
Q4 2025
$488.3M
Q1 2026

What does AIGH Capital own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
SNDK SANDISK CORPTechnology200.0K$127.1M26.0%-28.6%
TYGO TIGO ENERGY INCTechnology7.3M$27.4M5.6%New
ZBRA ZEBRA TECHNOLOGIES CORP-CL AIndustrials100.0K$20.9M4.3%New
LASR NLIGHT INCTechnology340.0K$19.4M4.0%-43.3%
VNDA VANDA PHARMACEUTICALS INCHealthcare2.8M$19.0M3.9%+37.6%
PSNL PERSONALIS INCHealthcare2.9M$18.5M3.8%Held
GNRC GENERAC HOLDINGS INCIndustrials90.0K$17.6M3.6%New
KYTX KYVERNA THERAPEUTICS INCHealthcare2.0M$17.3M3.5%+33.3%
CSTL CASTLE BIOSCIENCES INCHealthcare590.6K$14.5M3.0%-5.5%
APPS DIGITAL TURBINE INCFinancials4.9M$14.1M2.9%New
RRX REGAL REXNORD CORPIndustrials75.0K$14.0M2.9%New
ABEO ABEONA THERAPEUTICS INCHealthcare3.1M$13.9M2.8%+55.0%
LRMR LARIMAR THERAPEUTICS INCHealthcare3.0M$13.5M2.8%+50.0%
FENC FENNEC PHARMACEUTICALS INCHealthcare2.0M$12.2M2.5%+25.3%
ESPR ESPERION THERAPEUTICS INCHealthcare4.4M$12.1M2.5%+10.0%
ZVRA ZEVRA THERAPEUTICS INCHealthcare1.2M$11.2M2.3%New
BDSX BIODESIX INCHealthcare758.3K$11.0M2.3%New
IDN INTELLICHECK INCTechnology1.5M$10.6M2.2%+25.0%
VSTM VERASTEM INCHealthcare2.0M$10.6M2.2%New
TARA PROTARA THERAPEUTIC INCHealthcare1.6M$8.5M1.7%New
VUZI VUZIX CORPTechnology3.3M$7.6M1.6%New
PYPD POLYPID LTDHealthcare1.6M$7.0M1.4%+18.7%
APYX APYX MEDICAL CORPHealthcare1.1M$4.1M0.8%Held
COYA COYA THERAPEUTICS INCHealthcare975.4K$3.8M0.8%Held
ELUT ELUTIA INCHealthcare3.6M$3.8M0.8%+17.2%
RNXT RENOVORX INCHealthcare3.7M$3.7M0.8%+30.8%
TLPH TALPHERA INCHealthcare4.7M$3.5M0.7%Held
WATT ENERGOUS CORPTechnology215.0K$3.4M0.7%New
IPWR IDEAL POWER INCTechnology1.2M$3.3M0.7%+140.2%
NRXS NEURAXIS INCHealthcare400.0K$3.0M0.6%Held
BKTI BK TECHNOLOGIES CORPTechnology32.6K$2.4M0.5%-84.6%
LPCN LIPOCINE INCHealthcare200.0K$1.6M0.3%New
INVE IDENTIV INCTechnology409.2K$1.5M0.3%New
LPTH LIGHTPATH TECHNOLOGIES INC-ATechnology100.0K$1.0M0.2%-90.3%
RGNT REGENTIS BIOMATERIALS LTD/ISHealthcare300.0K$917K0.2%New
APRE APREA THERAPEUTICS INCHealthcare1.0M$775K0.2%+174.1%
BFRI BIOFRONTERA INCHealthcare915.2K$740K0.2%Held
SMTK SMARTKEM INCTechnology895.4K$204K0.0%+32.7%

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRApr 30, 202685$733.2M canonicalSEC ↗
Q4 202513F-HRFeb 2, 202668$413.1M canonicalSEC ↗
Q3 202513F-HROct 31, 202576$354.9M canonicalSEC ↗
Q2 202513F-HRJul 29, 202570$222.3M canonicalSEC ↗
Q1 202513F-HRMay 6, 202581$241.6M canonicalSEC ↗
Q4 202413F-HRFeb 12, 202576$319.8M canonicalSEC ↗
Q3 202413F-HRNov 13, 202480$354.6M canonicalSEC ↗
Q2 202413F-HRAug 7, 202477$321.0M canonicalSEC ↗
Q1 202413F-HRMay 14, 202484$333.0M canonicalSEC ↗