Ion Asset Management Ltd. — 13F Holdings & Portfolio
CIK 1603837 · latest 13F-HR filed 2025-11-14
Ion Asset Management Ltd. manages $910.6M in 13F-reported U.S. long-equity assets across 67 reported positions as of its 2025-09-30 13F-HR filing. Its largest disclosed positions are TEVA (12.22%), QQQ (7.91%), DK (6.54%). Quarter over quarter (versus its 2025-06-30 filing) the fund opened 12 new positions, exited 9, added to 26, and trimmed 21.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$910.6M
Long-equity book
67
Distinct positions
2025-09-30
Filed 2025-11-14
+12 / −9 / ↑26 / ↓21
vs 2025-06-30
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- NEXGEN ENERGY LTD$20.6M +4419.7%
- VANECK ETF TRUST$4.4M +8.6%
- ISHARES SILVER TR$3.6M +9.8%
- TRANSOCEAN LTD$3.0M +29.7%
- PHINIA INC$2.8M +10.2%
Top Trims
- TEVA PHARMACEUTICAL INDS LTD-$531.4M -82.7%
- AERCAP HOLDINGS NV-$74.7M -67.3%
- CIENA CORP-$67.6M -68.7%
- PERRIGO CO PLC-$62.8M -61.6%
- LAMB WESTON HLDGS INC-$53.9M -63.9%
New Positions
- CHECK POINT SOFTWARE TECH LT$53.5M
- DUPONT DE NEMOURS INC$35.1M
- AMICUS THERAPEUTICS INC$6.9M
- VARONIS SYS INC$5.2M
- VIA TRANSN INC$4.8M
Exited Positions
- IMAX CORP$21.7M
- THE TRADE DESK INC$5.8M
- MACOM TECH SOLUTIONS HLDGS I$2.9M
- VOYAGER TECHNOLOGIES INC$2.0M
- PALO ALTO NETWORKS INC$1.2M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | TEVA PHARMACEUTICAL INDS LTD | TEVA | 881624209 | $111.3M | 12.22% | 5,510,000 | SH |
| 2 | INVESCO QQQ TR Put | QQQ | 46090E103 | $72.0M | 7.91% | 120,000 | SH |
| 3 | DELEK US HLDGS INC NEW | DK | 24665A103 | $59.5M | 6.54% | 1,845,000 | SH |
| 4 | VANECK ETF TRUST | GDX | 92189F106 | $55.4M | 6.08% | 724,745 | SH |
| 5 | CHECK POINT SOFTWARE TECH LT | CHKP | M22465104 | $43.2M | 4.74% | 208,615 | SH |
| 6 | ISHARES SILVER TR | SLV | 46428Q109 | $40.3M | 4.43% | 952,175 | SH |
| 7 | PERRIGO CO PLC | PRGO | G97822103 | $39.2M | 4.30% | 1,760,000 | SH |
| 8 | AERCAP HOLDINGS NV | AER | N00985106 | $36.3M | 3.99% | 300,000 | SH |
| 9 | DANAOS CORPORATION | DAC | Y1968P121 | $35.4M | 3.89% | 394,345 | SH |
| 10 | DUPONT DE NEMOURS INC | DD | 26614N102 | $35.1M | 3.86% | 451,000 | SH |
| 11 | CIENA CORP | CIEN | 171779309 | $30.9M | 3.39% | 211,924 | SH |
| 12 | PHINIA INC | PHIN | 71880K101 | $30.7M | 3.37% | 533,469 | SH |
| 13 | LAMB WESTON HLDGS INC | LW | 513272104 | $30.5M | 3.35% | 524,905 | SH |
| 14 | COSTAR GROUP INC | CSGP | 22160N109 | $29.9M | 3.28% | 354,000 | SH |
| 15 | ILLUMINA INC | ILMN | 452327109 | $23.2M | 2.54% | 244,000 | SH |
| 16 | NEXGEN ENERGY LTD | NXE | 65340P106 | $21.0M | 2.31% | 2,348,100 | SH |
| 17 | NAVIOS MARITIME PARTNERS L P | NMM | Y62267409 | $21.0M | 2.31% | 466,000 | SH |
| 18 | COREWEAVE INC Put | CRWV | 21873S108 | $20.1M | 2.21% | 146,900 | SH |
| 19 | COSTAR GROUP INC | CSGP | 22160N109 | $15.2M | 1.67% | 180,000 | SH |
| 20 | ILLUMINA INC | ILMN | 452327109 | $14.2M | 1.56% | 150,000 | SH |
| 21 | TRANSOCEAN LTD | RIG | H8817H100 | $13.1M | 1.44% | 4,197,679 | SH |
| 22 | OKTA INC | OKTA | 679295105 | $11.9M | 1.31% | 130,000 | SH |
| 23 | MONDAY COM LTD | MNDY | M7S64H106 | $10.7M | 1.17% | 55,000 | SH |
| 24 | CHECK POINT SOFTWARE TECH LT | CHKP | M22465104 | $10.3M | 1.14% | 50,000 | SH |
| 25 | DYNATRACE INC | DT | 268150109 | $9.7M | 1.06% | 200,000 | SH |
| 26 | BLOCK INC | XYZ | 852234103 | $9.4M | 1.03% | 130,000 | SH |
| 27 | ITRON INC | ITRI | 465741106 | $9.0M | 0.98% | 72,000 | SH |
| 28 | ETORO GROUP LTD | ETOR | G32089107 | $7.8M | 0.86% | 190,000 | SH |
| 29 | AMICUS THERAPEUTICS INC | FOLD | 03152W109 | $6.9M | 0.75% | 872,411 | SH |
| 30 | VARONIS SYS INC | VRNS | 922280102 | $5.2M | 0.57% | 90,000 | SH |
| 31 | VIA TRANSN INC | VIA | 92556W104 | $4.8M | 0.53% | 100,000 | SH |
| 32 | CARPENTER TECHNOLOGY CORP | CRS | 144285103 | $4.0M | 0.44% | 16,400 | SH |
| 33 | CVR PARTNERS LP | UAN | 126633205 | $3.6M | 0.40% | 40,393 | SH |
| 34 | MOBILEYE GLOBAL INC | MBLY | 60741F104 | $3.4M | 0.37% | 240,000 | SH |
| 35 | ISHARES BITCOIN TRUST ETF | IBIT | 46438F101 | $2.6M | 0.29% | 40,000 | SH |
| 36 | SPDR GOLD TR | GLD | 78463V107 | $2.4M | 0.26% | 6,710 | SH |
| 37 | GLOBAL X FDS | SIL | 37954Y848 | $2.2M | 0.24% | 30,800 | SH |
| 38 | KLARNA GROUP PLC | KLAR | G5279N105 | $1.8M | 0.20% | 50,000 | SH |
| 39 | VANECK ETF TRUST | GDXJ | 92189F791 | $1.8M | 0.20% | 18,500 | SH |
| 40 | AGNICO EAGLE MINES LTD | AEM | 008474108 | $1.8M | 0.19% | 10,530 | SH |
| 41 | WHEATON PRECIOUS METALS CORP | WPM | 962879102 | $1.5M | 0.17% | 13,695 | SH |
| 42 | INTERACTIVE BROKERS GROUP IN | IBKR | 45841N107 | $1.4M | 0.15% | 20,000 | SH |
| 43 | PAR PAC HOLDINGS INC | PARR | 69888T207 | $1.3M | 0.14% | 36,860 | SH |
| 44 | CUMMINS INC | CMI | 231021106 | $1.3M | 0.14% | 3,085 | SH |
| 45 | LUMENTUM HLDGS INC | LITE | 55024U109 | $1.3M | 0.14% | 8,000 | SH |
| 46 | CVR ENERGY INC | CVI | 12662P108 | $1.2M | 0.13% | 33,385 | SH |
| 47 | KRATOS DEFENSE & SEC SOLUTIO | KTOS | 50077B207 | $1.1M | 0.12% | 12,285 | SH |
| 48 | ISHARES TR | KSA | 46434V423 | $1.1M | 0.12% | 26,300 | SH |
| 49 | MOSAIC CO NEW | MOS | 61945C103 | $941.6K | 0.10% | 27,150 | SH |
| 50 | TTM TECHNOLOGIES INC | TTMI | 87305R109 | $921.6K | 0.10% | 16,000 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2025-09-30 | 2025-11-14 | $910.6M | 67 | 0001178913-25-003858 |
| 2025-06-30 | 2025-08-15 | $1.82B | 82 | 0001178913-25-002938 |