Stocks/Funds/CIK 1627608

Monashee Investment Management LLC

Quarterly 13F filings · Latest period 2026-03-31 · CIK 1627608
Assets
$174M
-79.4% YoY
Holdings
42
Lifetime alpha vs market
+6.98% annual
Average hold time
0.7 yr
median 0.3 yr

Quarterly history

Cum return +144% vs S&P +83% · α +61% lifetimeAUM $174M · peak $916MFlow $8M (+5%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+0.88%
adds when stocks drop
when a holding falls −10%+
Middle response
-20.50%
baseline attrition
Rally response
-12.80%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
TERNTerns Pharmaceuticals, I$16M9.1%1.3 yr
$15M8.7%0.3 yr
MDLNMedline Inc.$13M7.7%0.5 yr
NRGNRG Energy, Inc.$12M7.1%+55.0%0.3 yr
FPSForgent Power Solutions,$10M5.9%0.3 yr
$10M5.9%2.0 yr
NKTRNektar Therapeutics$7M4.1%0.5 yr
CYTKCytokinetics, Incorporat$7M3.8%+64.0%1.0 yr
PPLCPPL Corporation Corporat$5M3.0%0.3 yr
BBIOBridgeBio Pharma, Inc.$5M2.9%+114.8%1.8 yr
ADTADT Inc.$5M2.6%-16.9%1.5 yr
$5M2.6%0.3 yr
EVMNEvommune, Inc.$4M2.4%0.5 yr
$4M2.3%0.5 yr
ASTSAST SpaceMobile, Inc.$4M2.1%+264.4%0.3 yr

Portfolio composition (YoY)

Industry mix
Biotechnology34.0%+31.5pp$59M
Unknown21.9%+17.4pp$38M
Medical - Instruments & Supplies7.7%$13M
Independent Power Producers7.1%$12M
Electrical Equipment & Parts5.9%$10M
Regulated Electric3.0%-0.6pp$5M
Semiconductors2.8%$5M
Security & Protection Services2.6%+2.1pp$5M
Hardware, Equipment & Parts2.5%$4M
Financial - Capital Markets2.2%+1.5pp$4M
Country
US75.1%-20.0pp
Unknown21.9%+17.4pp
CH1.4%
GB0.8%
KY0.8%
CA0.0%-0.2pp
Top 5: 38.6% · Top 10: 58.2% · Top 25: 86.0%

Winners

TickerPrev $PnLYoY %
GPCR$5M+0.01B178.5%
BBIO$6M+0.01B114.8%
ADT$5M-0.00B-16.9%

Losers

TickerPrev $PnLYoY %
ADT$5M-0.00B-16.9%

Top buys this quarter · 15

NRG NRG Energy, Inc.new+$12M
FPS Forgent Power Solutions, Inc.new+$10M
PPLC PPL Corporation Corporate Unitnew+$5M
ASTS AST SpaceMobile, Inc.new+$4M
SNDK Sandisk Corporationnew+$3M
MANE Veradermics, Incorporatednew+$3M
SGP SpyGlass Pharma, Inc. Common Snew+$2M
INGM Ingram Micro Holding Corporatinew+$2M
FLOC Flowco Holdings Inc.new+$2M
ADT ADT Inc.+$2M

Top sells this quarter · 15

ULS UL Solutions Inc.exit$11M
GPCR Structure Therapeutics Inc.$8M
LGN Legence Corp. Class A Common sexit$8M
MIAX Miami International Holdings, exit$7M
SOFI SoFi Technologies, Inc.exit$6M
ITT ITT Inc.exit$6M
IMNM Immunome, Inc.exit$6M
KYMR Kymera Therapeutics, Inc.$5M
FIGR Figure Technology Solutions, I$4M
CMPX Compass Therapeutics, Inc.$4M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$174M42+48.12%+17.59%+30.53%+0.01B
2025-12-31$167M38+51.62%+17.72%+33.91%-0.05B
2025-09-30$198M59+42.32%+17.52%+24.80%-0.02B
2025-06-30$182M37+41.35%+14.94%+26.40%-0.79B
2025-03-31$844M45+18.15%+8.30%+9.85%+0.11B
2024-12-31$725M36+37.87%+24.89%+12.98%-0.21B
2024-09-30$916M107+29.76%+36.04%-6.28%+0.00B
2024-06-30$772M74+28.98%+24.49%+4.48%-0.03B
2024-03-31$839M101+59.62%+29.62%+30.00%+0.17B
2023-12-31$567M44+34.52%+26.18%+8.35%+0.38B
2023-09-30$197M63+33.79%+21.57%+12.22%-0.20B
2023-06-30$339M51+12.55%+19.42%-6.88%+0.00B
2023-03-31$283M39-20.80%-7.82%-12.98%+0.11B
2022-12-31$171M27-4.04%+7.56%-11.60%-0.07B
2022-09-30$249M43-1.21%-4.93%+3.72%-0.02B
2022-06-30$275M27-16.39%-16.11%-0.28%-0.01B