ION Fund Management Ltd
Long book
$655.7M
Q1 2026
Positions
59
Top-10 weight
72%
concentration
Last quarter
+14.8%
SPY +14.8%
Turnover
41%
of book per quarter
Strategy in plain words
auto-generated from filingsION Fund Management Ltd is a concentrated fundamental stock-picker, running a $655.7M US long book across 59 positions.
The portfolio is concentrated: the top 10 names carry 72% of the portfolio. The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: TEVA PHARMACEUTICAL-SP ADR, DELEK US HOLDINGS INC, SOLAREDGE TECHNOLOGIES INC, ILLUMINA INC, DANAOS CORP.
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
Q4 2025
+7.0%
Q1 2026
+14.8%
Sector allocation
Industrials 27%
Technology 27%
Energy 19%
Healthcare 12%
Materials 6%
Services media 4%
Other 2%
Consumer discretionary 1%
Long book by quarter
What does ION Fund own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| DK DELEK US HOLDINGS INC | Energy | 1.4M | $61.7M | 9.4% | -22.5% |
| SEDG SOLAREDGE TECHNOLOGIES INC | Technology | 1.1M | $56.3M | 8.6% | +38.7% |
| ILMN ILLUMINA INC | Healthcare | 390.2K | $48.1M | 7.3% | +17.5% |
| DAC DANAOS CORP | Industrials | 381.1K | $42.9M | 6.5% | -9.2% |
| PHIN PHINIA INC | Industrials | 510.0K | $34.9M | 5.3% | -1.0% |
| NXE NEXGEN ENERGY LTD | Materials | 2.6M | $30.4M | 4.6% | +31.1% |
| RIG TRANSOCEAN LTD | Energy | 4.5M | $29.8M | 4.5% | +2.1% |
| NMM NAVIOS MARITIME PARTNERS LP | Industrials | 430.9K | $29.1M | 4.4% | -7.5% |
| Q QNITY ELECTRONICS INC | Technology | 221.6K | $25.6M | 3.9% | +8.5% |
| UCTT ULTRA CLEAN HOLDINGS INC | Technology | 349.9K | $21.8M | 3.3% | New |
| AER AERCAP HOLDINGS NV | Services media | 125.0K | $17.1M | 2.6% | -52.8% |
| SHC SOTERA HEALTH CO | Healthcare | 1.2M | $17.1M | 2.6% | +11833.9% |
| FLS FLOWSERVE CORP | Industrials | 197.0K | $14.5M | 2.2% | New |
| FLR FLUOR CORP | Industrials | 299.2K | $14.0M | 2.1% | New |
| CIEN CIENA CORP | Technology | 27.7K | $10.7M | 1.6% | -63.6% |
| TTMI TTM TECHNOLOGIES | Technology | 100.0K | $9.7M | 1.5% | -28.6% |
| ONTO ONTO INNOVATION INC | Other | 30.0K | $6.2M | 0.9% | New |
| AMZN AMAZON.COM INC | Consumer discretionary | 24.0K | $5.0M | 0.8% | +20.0% |
| XYZ BLOCK INC | Technology | 80.0K | $4.8M | 0.7% | -55.6% |
| GLBE GLOBAL-E ONLINE LTD | Technology | 155.0K | $4.8M | 0.7% | +55.0% |
| CPW CHECK POINT SOFTWARE TECH | — | 26.0K | $3.7M | 0.6% | -89.8% |
| OKTA OKTA INC | Technology | 40.0K | $3.1M | 0.5% | -60.0% |
| LFUS LITTELFUSE INC | Industrials | 8.0K | $2.7M | 0.4% | New |
| IBKR INTERACTIVE BROKERS GRO-CL A | Financials | 40.0K | $2.7M | 0.4% | -42.9% |
| PANW PALO ALTO NETWORKS INC | Technology | 16.0K | $2.6M | 0.4% | Held |
| PARR PAR PACIFIC HOLDINGS INC | Energy | 32.1K | $2.0M | 0.3% | Held |
| AEM AGNICO EAGLE MINES LTD | Materials | 9.2K | $1.9M | 0.3% | -8.0% |
| SLB SLB LTD | Energy | 32.5K | $1.7M | 0.3% | +35.3% |
| HAL HALLIBURTON CO | Energy | 42.0K | $1.6M | 0.2% | +15.8% |
| VAL VALARIS LTD | Energy | 16.3K | $1.6M | 0.2% | Held |
| XOM EXXON MOBIL CORP | Energy | 9.4K | $1.6M | 0.2% | +12.9% |
| PYPL PAYPAL HOLDINGS INC | Services media | 30.0K | $1.4M | 0.2% | New |
| MSI MOTOROLA SOLUTIONS INC | Technology | 3.0K | $1.3M | 0.2% | New |
| CVI CVR ENERGY INC | Energy | 33.4K | $1.1M | 0.2% | Held |
| NTR NUTRIEN LTD | Other | 14.2K | $1.1M | 0.2% | Held |
| SCCO SOUTHERN COPPER CORP | Materials | 6.2K | $1.1M | 0.2% | +0.8% |
| RGLD ROYAL GOLD INC | Financials | 4.1K | $1.0M | 0.2% | Held |
| AEIS ADVANCED ENERGY INDUSTRIES | Technology | 3.0K | $968K | 0.1% | New |
| NSC NORFOLK SOUTHERN CORP | Industrials | 3.3K | $957K | 0.1% | Held |
| GLNG GOLAR LNG LTD | Industrials | 16.0K | $866K | 0.1% | Held |
| GNK GENCO SHIPPING & TRADING LTD | Industrials | 36.5K | $822K | 0.1% | Held |
| RTX RTX CORP | Industrials | 4.2K | $801K | 0.1% | Held |
| COP CONOCOPHILLIPS | Energy | 6.0K | $799K | 0.1% | New |
| MP MP MATERIALS CORP | Materials | 16.2K | $783K | 0.1% | Held |
| KTOS KRATOS DEFENSE & SECURITY | Industrials | 11.0K | $777K | 0.1% | Held |
| ADM ARCHER-DANIELS-MIDLAND CO | Consumer staples | 10.3K | $747K | 0.1% | New |
| SBLK STAR BULK CARRIERS CORP | Industrials | 30.3K | $695K | 0.1% | Held |
| MOS MOSAIC CO/THE | Other | 27.1K | $692K | 0.1% | Held |
13F filing history
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