Institutional Manager · CIK 0001603837
Ion Asset Management Ltd.
Herzliya, L3 · File #028-16590
Latest AUM
$910.6M
Positions
67
Top-10 Concentration
58.7%
Filings
8
Portfolio Value Over Time
2023-12
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| ADD | INVESCO QQQ TR | 46090E103 | +105,800 | +$63.5M | +$691,966 |
| EXITED | ISHARES TR | 464287432 | -600,000 | -$53.0M | $0 |
| NEW | CHECK POINT SOFTWARE TECH LT | M22465104 | +208,615 | +$43.2M | $0 |
| NEW | DUPONT DE NEMOURS INC | 26614N102 | +451,000 | +$35.1M | $0 |
| REDUCE | ISHARES BITCOIN TRUST ETF | 46438F101 | -410,000 | -$26.6M | +$1.7M |
| REDUCE | CIENA CORP | 171779309 | -165,168 | -$24.1M | +$24.3M |
| EXITED | IMAX CORP | 45245E109 | -777,800 | -$21.7M | $0 |
| ADD | NEXGEN ENERGY LTD | 65340P106 | +2,281,100 | +$20.4M | +$134,670 |
| NEW | COREWEAVE INC | 21873S108 | +146,900 | +$20.1M | $0 |
| REDUCE | VANECK ETF TRUST | 92189F106 | -254,225 | -$19.4M | +$23.8M |
Filing History
- 13F HOLDINGS REPORTQ/E Sep 202567 pos · $910.6M
- 13F HOLDINGS REPORTQ/E Jun 202582 pos · $1.82B
- 13F HOLDINGS REPORTQ/E Mar 202575 pos · $1.55B
- 13F HOLDINGS REPORTQ/E Dec 202477 pos · $1.72B
- 13F HOLDINGS REPORTQ/E Sep 202484 pos · $1.86B
- 13F HOLDINGS REPORTQ/E Jun 202488 pos · $1.79B
- 13F HOLDINGS REPORTQ/E Mar 202459 pos · $1.58B
- 13F HOLDINGS REPORTQ/E Dec 202354 pos · $967.9M
Top 20 Holdings — Sep 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | TEVA PHARMACEUTICAL INDS LTD | 881624209 | 5,510,000 | $111.3M | 12.38% |
| 2 | INVESCO QQQ TR | 46090E103 | 120,000 | $72.0M | 8.01% |
| 3 | DELEK US HLDGS INC NEW | 24665A103 | 1,845,000 | $59.5M | 6.62% |
| 4 | VANECK ETF TRUST | 92189F106 | 724,745 | $55.4M | 6.16% |
| 5 | CHECK POINT SOFTWARE TECH LT | M22465104 | 208,615 | $43.2M | 4.80% |
| 6 | ISHARES SILVER TR | 46428Q109 | 952,175 | $40.3M | 4.49% |
| 7 | PERRIGO CO PLC | G97822103 | 1,760,000 | $39.2M | 4.36% |
| 8 | AERCAP HOLDINGS NV | N00985106 | 300,000 | $36.3M | 4.04% |
| 9 | DANAOS CORPORATION | Y1968P121 | 394,345 | $35.4M | 3.94% |
| 10 | DUPONT DE NEMOURS INC | 26614N102 | 451,000 | $35.1M | 3.91% |
| 11 | CIENA CORP | 171779309 | 211,924 | $30.9M | 3.43% |
| 12 | PHINIA INC | 71880K101 | 533,469 | $30.7M | 3.41% |
| 13 | LAMB WESTON HLDGS INC | 513272104 | 524,905 | $30.5M | 3.39% |
| 14 | COSTAR GROUP INC | 22160N109 | 354,000 | $29.9M | 3.32% |
| 15 | ILLUMINA INC | 452327109 | 244,000 | $23.2M | 2.58% |
| 16 | NEXGEN ENERGY LTD | 65340P106 | 2,348,100 | $21.0M | 2.34% |
| 17 | NAVIOS MARITIME PARTNERS L P | Y62267409 | 466,000 | $21.0M | 2.34% |
| 18 | COREWEAVE INC | 21873S108 | 146,900 | $20.1M | 2.24% |
| 19 | COSTAR GROUP INC | 22160N109 | 180,000 | $15.2M | 1.69% |
| 20 | ILLUMINA INC | 452327109 | 150,000 | $14.2M | 1.58% |