Stocks/Funds/CIK 2105906

ION Fund Management Ltd

Quarterly 13F filings · Latest period 2026-03-31 · CIK 2105906
Assets
$656M
Holdings
59
Lifetime alpha vs market
+72.51% annual
Average hold time
0.4 yr
median 0.5 yr

Quarterly history

Cum return +10% vs S&P -4% · α +14% lifetimeAUM $656M · peak $784MFlow $-203M (-26%)2025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-75.19%
trims when stocks drop
when a holding falls −10%+
Middle response
-10.00%
baseline attrition
Rally response
-7.97%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
TEVATeva Pharmaceutical Indu$116M17.7%0.5 yr
DKDelek US Holdings, Inc.$62M9.4%0.5 yr
SEDGSolarEdge Technologies, $56M8.6%0.5 yr
ILMNIllumina, Inc.$48M7.3%0.5 yr
DACDanaos Corporation$43M6.5%0.5 yr
PHINPHINIA Inc.$35M5.3%0.5 yr
NXENexGen Energy Ltd.$30M4.6%0.5 yr
RIGTransocean Ltd.$30M4.5%0.5 yr
NMMNavios Maritime Partners$29M4.4%0.5 yr
QQnity Electronics, Inc.$26M3.9%0.5 yr
UCTTUltra Clean Holdings, In$22M3.3%0.3 yr
AERAerCap Holdings N.V.$17M2.6%0.5 yr
SHCSotera Health Company$17M2.6%0.5 yr
FLSFlowserve Corporation$14M2.2%0.3 yr
FLRFluor Corporation$14M2.1%0.3 yr

Portfolio composition (YoY)

Industry mix
Drug Manufacturers - Specialty & Generic17.7%$116M
Marine Shipping11.2%$74M
Medical - Diagnostics & Research9.9%$65M
Oil & Gas Refining & Marketing9.9%$65M
Solar8.6%$56M
Semiconductors8.2%$53M
Auto - Parts5.3%$35M
Uranium4.6%$30M
Oil & Gas Drilling4.5%$30M
Rental & Leasing Services2.6%$17M
Country
US47.9%
IL27.6%
GR6.7%
CA5.1%
CH4.5%
MC4.4%
IE2.6%
BR0.8%
Top 5: 49.6% · Top 10: 72.4% · Top 25: 93.5%

Winners

TickerPrev $PnLYoY %

Losers

TickerPrev $PnLYoY %

Top buys this quarter · 15

UCTT Ultra Clean Holdings, Inc.new+$22M
SHC Sotera Health Company+$17M
SEDG SolarEdge Technologies, Inc.+$16M
FLS Flowserve Corporationnew+$14M
FLR Fluor Corporationnew+$14M
NXE NexGen Energy Ltd.+$7M
ILMN Illumina, Inc.+$7M
ONTO Onto Innovation Inc.new+$6M
LFUS Littelfuse, Inc.new+$3M
Q Qnity Electronics, Inc.+$2M

Top sells this quarter · 15

CHKP Check Point Software Technolog$33M
LW Lamb Weston Holdings, Inc.exit$24M
DD DuPont de Nemours, Inc.exit$21M
AER AerCap Holdings N.V.$19M
PRGO Perrigo Company plcexit$19M
CIEN Ciena Corporation$19M
CSGP CoStar Group, Inc.exit$19M
DK Delek US Holdings, Inc.$52M
TEAM Atlassian Corporationexit$16M
VRNS Varonis Systems, Inc.exit$10M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$656M59+9.60%-4.37%+13.97%-0.20B
2025-12-31$784M59