ION Fund Management
ION Fund Management reported 52 stocks worth $845M in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are Teva Pharmaceutical Inds Ltd (16.8%), DK (8.9%) and SEDG (7.3%). Compared with Q1 2026, the fund opened new positions in VECO, KRE and NET, added to DK, SHC and DAC, trimmed SEDG, ILMN and UCTT and sold out of Q, AER and CIEN.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 3 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 | TEVA PHARMACEUTICAL INDS LTD | $142M | 16.8% | 4.2M | +321K (+8%) | 3 of 3 | |
| 2 | ![]() DK Delek US Hldgs Inc New | $75.3M | 8.9% | 1.5M | +112K (+8%) | 3 of 3 | |
| 3 | ![]() SEDG Solaredge Technologies Inc | $61.8M | 7.3% | 1.1M | −46K (−4%) | 3 of 3 | |
| 4 | ![]() SHC Sotera Health Co | $59.3M | 7.0% | 3.3M | +2.2M (+180%) | 3 of 3 | |
| 5 | ![]() ILMN Illumina Inc | $53.9M | 6.4% | 306K | −84K (−21%) | 3 of 3 | |
| 6 | ![]() DAC Danaos Corporation | $50.3M | 6.0% | 411K | +30K (+8%) | 3 of 3 | |
| 7 | ![]() FLS Flowserve Corp | $46.8M | 5.5% | 632K | +435K (+221%) | 2 of 3 | |
| 8 | ![]() GLBE Global E Online Ltd | $45.6M | 5.4% | 1.3M | +1.2M (+748%) | 3 of 3 | |
| 9 | ![]() PHIN Phinia Inc | $45.1M | 5.3% | 548K | +38K (+7%) | 3 of 3 | |
| 10 | ![]() UCTT Ultra Clean Hldgs Inc | $42.5M | 5.0% | 298K | −52K (−15%) | 2 of 3 |
Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q1 2026, gone in Q2 2026| Stock | Value last quarter | Shares sold |
|---|---|---|
![]() Q Qnity Electronics Inc | $25.6M | 222K |
![]() AER Aercap Holdings NV | $17.1M | 125K |
![]() CIEN Ciena Corp | $10.7M | 28K |
![]() CHKP Check Point Software Tech LT | $3.7M | 26K |
![]() LFUS Littelfuse Inc | $2.7M | 8,000 |
🔒 Free account: see all 14.
Options
valued at the underlying sharesReported value
last 3 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q2 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Aug 14, 2026 | 13F-HR | Q2 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →ION Fund Management 13F FAQ
What does ION Fund Management own?
ION Fund Management reported 52 stocks worth $845M in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are Teva Pharmaceutical Inds Ltd (16.8%), DK (8.9%) and SEDG (7.3%). The table above lists every position in the filing (the top 10 without an account).
What did ION Fund Management buy and sell in Q2 2026?
Compared with Q1 2026: 7 new positions, 17 added to, 12 trimmed and 14 sold out. New positions include VECO, KRE and NET. It sold all of Q, AER and CIEN.
When will ION Fund Management file its next 13F?
Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.
How much is ION Fund Management's portfolio worth?
The Q2 2026 filing reports $845M in US stocks ($1.6B including options). That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.

















