Stocks/Funds/CIK 1940272

ADAR1 Capital Management, LLC

Quarterly 13F filings · Latest period 2026-03-31 · CIK 1940272
Assets
$1.64B
+225.7% YoY
Holdings
288
Lifetime alpha vs market
+37.67% annual
Average hold time
1.2 yr
median 1.0 yr

Quarterly history

Cum return +189% vs S&P +41% · α +148% lifetimeAUM $1.6B · peak $1.6BFlow $271M (+20%)2023-122024-062024-122025-062025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+7.35%
adds when stocks drop
when a holding falls −10%+
Middle response
-0.51%
baseline attrition
Rally response
-23.41%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
ABVXAbivax S.A.$155M9.4%+1681.6%2.3 yr
PTGXProtagonist Therapeutics$105M6.4%+117.9%2.5 yr
ROIVRoivant Sciences Ltd.$91M5.5%+174.5%2.5 yr
IMVTImmunovant, Inc.$67M4.0%+45.3%2.5 yr
SPYState Street SPDR S&P 50$49M3.0%+17.6%1.0 yr
TERNTerns Pharmaceuticals, I$48M2.9%2.0 yr
CYTKCytokinetics, Incorporat$42M2.5%+64.0%2.5 yr
CRNXCrinetics Pharmaceutical$41M2.5%+8.3%2.0 yr
BOXXAlpha Architect 1-3 Mont$39M2.4%2.3 yr
DNLIDenali Therapeutics Inc.$36M2.2%+41.2%2.3 yr
BEAMBeam Therapeutics Inc.$34M2.1%+22.0%1.0 yr
ZLABZai Lab Limited$27M1.6%-48.0%2.5 yr
SEPNSepterna, Inc.$26M1.6%+315.0%1.3 yr
VIRVir Biotechnology, Inc.$25M1.5%+38.3%1.5 yr
$21M1.3%0.3 yr

Portfolio composition (YoY)

Industry mix
Biotechnology77.3%+9.1pp$1.27B
Unknown7.1%-5.6pp$117M
Asset Management6.4%-5.3pp$105M
Medical - Devices4.2%+2.4pp$69M
Drug Manufacturers - General1.6%+1.2pp$26M
Shell Companies0.7%-0.6pp$12M
Drug Manufacturers - Specialty & Generic0.7%-2.7pp$11M
Medical - Diagnostics & Research0.5%+0.3pp$8M
Insurance - Life0.3%$6M
Medical - Pharmaceuticals0.3%$6M
Country
US68.2%+2.8pp
FR11.1%+8.4pp
Unknown7.1%-5.6pp
GB5.7%-2.1pp
CN1.8%-4.9pp
AU1.3%+0.1pp
IE1.1%
CA0.9%+0.0pp
Top 5: 28.4% · Top 10: 41.0% · Top 25: 59.6%

Winners

TickerPrev $PnLYoY %
ABVX$14M+0.23B1681.6%
ROIV$35M+0.06B174.5%
PTGX$45M+0.05B117.9%
AMLX$5M+0.02B292.7%
SEPN$4M+0.01B315.0%

Losers

TickerPrev $PnLYoY %
ZLAB$34M-0.02B-48.0%

Top buys this quarter · 15

DNLI Denali Therapeutics Inc.+$35M
BEAM Beam Therapeutics Inc.+$34M
CRNX Crinetics Pharmaceuticals, Inc+$30M
VIR Vir Biotechnology, Inc.+$22M
INSP Inspire Medical Systems, Inc.+$20M
SRRK Scholar Rock Holding Corporati+$17M
SYRE Spyre Therapeutics, Inc.+$15M
AVR Anteris Technologies Global Co+$14M
RYTM Rhythm Pharmaceuticals, Inc.+$14M
SPY State Street SPDR S&P 500 ETF +$14M

Top sells this quarter · 15

ABUS Arbutus Biopharma Corporation$10M
BBIO BridgeBio Pharma, Inc.$9M
FULC Fulcrum Therapeutics, Inc.$9M
TFX Teleflex Incorporated$7M
CLDX Celldex Therapeutics, Inc.$7M
YCY AA Mission Acquisition Corp. Iexit$6M
PTGX Protagonist Therapeutics, Inc.$92M
CLYM Climb Bio, Inc.$6M
CRVS Corvus Pharmaceuticals, Inc.$6M
ARDX Ardelyx, Inc.$5M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$1.64B288+150.68%+17.59%+133.09%+0.27B
2025-12-31$1.34B249+125.66%+17.72%+107.94%+0.06B
2025-09-30$1.00B197+62.88%+17.52%+45.36%-0.11B
2025-06-30$609M199+2.13%+14.94%-12.81%+0.08B
2025-03-31$505M191-6.22%+8.30%-14.53%+0.07B
2024-12-31$468M194+24.54%+24.89%-0.34%-0.08B
2024-09-30$596M256+14.43%+5.75%+8.68%+0.03B
2024-06-30$494M243-3.67%+4.38%-8.05%+0.14B
2024-03-31$366M238+22.77%+10.39%+12.38%+0.09B
2023-12-31$224M141