Ion Fund Management Ltd
Institutional manager — quarterly 13F holdings, Q ending 2026-03-31
Reported value
$706.7M
Q ending 2026-03-31
Prior quarter
$857.4M
Q ending 2025-12-31
Change
-17.6% QoQ
Positions
62
reported holdings
Largest positions
All 62 reported positions, Q ending 2026-03-31. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
| Holding | Ticker | Type | Value ▼ | Shares |
|---|---|---|---|---|
| Teva Pharmaceutical Inds Lt | TEVA | Shares | $116.2M | 3.9M |
| Delek Us Hldgs Inc New | DK | Shares | $61.7M | 1.4M |
| Solaredge Technologies Inc | SEDG | Shares | $56.3M | 1.1M |
| Illumina Inc | ILMN | Shares | $48.1M | 390K |
| Danaos Corporation | Shares | $42.9M | 381K | |
| Phinia Inc | PHIN | Shares | $34.9M | 510K |
| Nexgen Energy Ltd | NXE | Shares | $30.4M | 2.6M |
| Transocean Ltd | Shares | $29.8M | 4.5M | |
| Navios Maritime Partners Lp | Shares | $29.1M | 431K | |
| Vale S A | VALE | Call | $27.1M | 1.7M |
| Qnity Electronics Inc | Q | Shares | $25.6M | 222K |
| Ultra Clean Hldgs Inc | UCTT | Shares | $21.8M | 350K |
| Aercap Holdings Nv | Shares | $17.1M | 125K | |
| Sotera Health Co | SHC | Shares | $17.1M | 1.2M |
| Flowserve Corp | FLS | Shares | $14.5M | 197K |
| Fluor Corp | FLR | Shares | $14.0M | 299K |
| Petroleo Brasileiro S A | PBR | Call | $12.4M | 600K |
| Coreweave Inc | CRWV | Put | $11.4M | 147K |
| Ciena Corp | CIEN | Shares | $10.7M | 28K |
| Ttm Technologies Inc | TTMI | Shares | $9.7M | 100K |
| Onto Innovation Inc | ONTO | Shares | $6.2M | 30K |
| Amazon Com Inc | AMZN | Shares | $5.0M | 24K |
| Block Inc | XYZ | Shares | $4.8M | 80K |
| Global E Online Ltd | Shares | $4.8M | 155K | |
| Check Point Software Tech L | Shares | $3.7M | 26K | |
| Okta Inc | OKTA | Shares | $3.1M | 40K |
| Littelfuse Inc | LFUS | Shares | $2.7M | 8K |
| Interactive Brokers Group I | IBKR | Shares | $2.7M | 40K |
| Palo Alto Networks Inc | PANW | Shares | $2.6M | 16K |
| Spdr Gold Tr | GLD | Shares | $2.2M | 5K |
| Vaneck Etf Trust | GDXJ | Shares | $2.1M | 17K |
| Par Pac Holdings Inc | PARR | Shares | $2.0M | 32K |
| Agnico Eagle Mines Ltd | AEM | Shares | $1.9M | 9K |
| Vale S A | VALE | Shares | $1.7M | 107K |
| Slb Limited | SLB | Shares | $1.7M | 32K |
| Halliburton Co | HAL | Shares | $1.6M | 42K |
| Valaris Ltd | Shares | $1.6M | 16K | |
| Exxon Mobil Corp | XOM | Shares | $1.6M | 9K |
| Ishares Bitcoin Trust Etf | IBIT | Shares | $1.5M | 40K |
| Petroleo Brasileiro S A | PBR | Shares | $1.5M | 72K |
| Global X Fds | SIL | Shares | $1.4M | 15K |
| Ishares Silver Tr | SLV | Shares | $1.4M | 20K |
| Paypal Hldgs Inc | PYPL | Shares | $1.4M | 30K |
| Motorola Solutions Inc | MSI | Shares | $1.3M | 3K |
| Cvr Energy Inc | CVI | Shares | $1.1M | 33K |
| Nutrien Ltd | NTR | Shares | $1.1M | 14K |
| Southern Copper Corp | SCCO | Shares | $1.1M | 6K |
| Royal Gold Inc | RGLD | Shares | $1.0M | 4K |
| Itau Unibanco Hldg S A | ITUB | Shares | $1.0M | 120K |
| Advanced Energy Inds | AEIS | Shares | $968K | 3K |
| Norfolk Southn Corp | NSC | Shares | $957K | 3K |
| Golar Lng Ltd | Shares | $866K | 16K | |
| Genco Shipping & Trading Lt | Shares | $822K | 36K | |
| Rtx Corporation | RTX | Shares | $801K | 4K |
| Conocophillips | COP | Shares | $799K | 6K |
| Mp Materials Corp | MP | Shares | $783K | 16K |
| Kratos Defense & Sec Soluti | KTOS | Shares | $777K | 11K |
| Suzano S A | SUZ | Shares | $751K | 75K |
| Archer Daniels Midland Co | ADM | Shares | $747K | 10K |
| Star Bulk Carriers Corp. | Shares | $695K | 30K | |
| Mosaic Co | MOS | Shares | $692K | 27K |
| Braskem Sa | BAK | Shares | $423K | 116K |
Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.