Stocks/Funds/CIK 1668029

Yu Fan

microcap filerconcentrated
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1668029
Assets
$97M
-0.3% YoY
Holdings
8
Lifetime alpha vs market
-54.62% annual
Average hold time
0.9 yr
median 0.9 yr

Quarterly history

Cum return -94% vs S&P +52% · α -146% lifetimeAUM $97M · peak $97MFlow $8M (+8%)2020-122021-122022-122023-122024-122025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+6.53%
adds when stocks drop
when a holding falls −10%+
Middle response
+4.71%
steady accumulation
Rally response
-10.29%
trims into rallies
when a holding rises +10%+

Top positions · 8

Ticker$ value% portYoYHold time
KMTSKestra Medical Technolog$45M46.9%-20.0%1.3 yr
ALMSAlumis Inc. Common Stock$17M17.6%+258.8%2.0 yr
CBLLCeriBell, Inc.$10M10.4%-4.6%1.5 yr
IVAInventiva S.A.$8M8.6%+88.8%0.5 yr
WHWKWhitehawk Therapeutics I$7M7.4%+93.8%1.3 yr
CATXPerspective Therapeutics$4M4.5%+95.8%0.3 yr
$4M4.3%0.3 yr
GRYPGryphon Digital Mining, $0M0.3%0.3 yr

Portfolio composition (YoY)

Industry mix
Medical - Instruments & Supplies46.9%-11.6pp$45M
Biotechnology33.6%+16.6pp$33M
Medical - Devices14.9%-9.2pp$14M
Unknown4.3%$4M
Financial - Capital Markets0.3%$0M
Country
US87.1%-12.9pp
FR8.6%
Unknown4.3%
Top 5: 90.9% · Top 10: 100.0% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %
ALMS$5M+0.01B258.8%
WHWK$4M+0.00B93.8%
CBLL$23M-0.00B-4.6%
KMTS$57M-0.01B-20.0%

Losers

TickerPrev $PnLYoY %
KMTS$57M-0.01B-20.0%
CBLL$23M-0.00B-4.6%

Top buys this quarter · 3

CATX Perspective Therapeutics, Inc.new+$4M
GRYP Gryphon Digital Mining, Inc.new+$0M
new+$0M

Top sells this quarter · 1

ALMS Alumis Inc. Common Stock$8M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$97M8+7.81%+17.59%-9.78%+0.01B
2025-12-31$92M5-16.84%+17.72%-34.55%-0.01B
2025-09-30$77M4-51.92%+17.52%-69.44%-0.00B
2025-06-30$73M5-51.01%+14.94%-65.95%-0.00B
2025-03-31$97M9-53.93%+8.30%-62.23%+0.06B
2024-12-31$53M7-32.84%+24.89%-57.73%+0.03B
2024-09-30$32M6-42.83%+36.04%-78.87%-0.05B
2024-06-30$77M6-72.15%+24.49%-96.64%+0.02B
2024-03-31$72M4-73.79%+29.62%-103.41%+0.05B
2023-12-31$20M4-82.97%+26.18%-109.14%+0.02B
2023-09-30$1M5-31.01%+21.57%-52.58%+0.00B
2023-06-30$1M5-21.42%+19.42%-40.85%+0.00B
2023-03-31$2M5-50.45%-7.82%-42.63%-0.00B
2022-12-31$7M6+161.19%+7.56%+153.62%-0.01B
2022-09-30$7M6-37.41%-4.93%-32.48%+0.00B
2022-06-30$6M5-57.10%-16.11%-40.99%+0.00B