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ION Fund Management Ltd — 13F Holdings & Portfolio

CIK 2105906 · latest 13F-HR filed 2026-08-14

Backtest portfolio

ION Fund Management Ltd manages $1.58B in 13F-reported U.S. long-equity assets across 61 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are QQQ (42.03%), TEVA (8.98%), DK (4.78%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 7 new positions and exited 14; 26 existing positions rose in reported value and 16 fell.

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.

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AUM
$1.58B

Long-equity book

Holdings
61

Distinct positions

Period
2026-06-30

Filed 2026-08-14

Q/Q Activity
+7 / −14 / ↑26 / ↓16

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
TEVA16.8% · +8%DK8.9% · +8%SEDG7.3% · -4%SHC7.0% · +180%ILMN6.4% · -22%DAC6.0% · +8%FLS5.5% · +221%GLBE5.4% · +748%PHIN5.3% · +7%UCTT5.0% · -15%FLR4.8% · +160%RIG3.9% · +50%NMM3.7% · +2%NXE3.6% · +25%TTMI1.4% · -38%ONTO0.9% · -37%OKTA0.8% · +25%VECO0.8% · newXYZ0.7% · 0%AMZN0.7% · 0%PANW0.4% · -31%IBKR0.4% · 0%KRE0.3% · newGLD0.2% · 0%NET0.2% · newVALE0.2% · 0%ADM0.2% · +101%PARR0.2% · -18%TWLO0.2% · newAEM0.2% · 0%SLB0.2% · -10%MDB0.2% · newXOM0.2% · 0%HAL0.2% · -10%DAL0.1% · newNTR0.1% · +37%SIL0.1% · 0%PBR0.1% · 0%SCCO0.1% · +1%SLV0.1% · 0%AKAM0.1% · newNSC0.1% · 0%VAL0.1% · -12%GDXJ0.1% · -40%ITUB0.1% · 0%COP0.1% · +52%MP0.1% · 0%RGLD0.1% · 0%GLNG0.1% · 0%SBLK0.1% · 0%GNK0.1% · -42%BAK0.0% · +3%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

3 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 73.6%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People
Address
89 MEDINAT HAYEHUDIM
13TH FLOOR
HERZLIYA 46766
Israel
Phone
972-9-9703620
Website
Name Title / Status Ownership Type
HALF, JONATHAN, SCHWEIZER ControlSOLE SHAREHOLDER75% or moreIndividual
HALF, JONATHAN, SCHWEIZER ControlDIRECTORLess than 5%Individual
LEVEY, STEPHEN, JULIUS ControlSOLE SHAREHOLDER75% or moreIndividual
Levey, Stephen, Julius ControlDIRECTORLess than 5%Individual
OURITAIGUY CAPITAL LTD. ControlSHAREHOLDER25–50%Foreign Entity
RAFALUTION LTD ControlSHAREHOLDER25–50%Foreign Entity
Barnea, MoranCOOLess than 5%Individual
COHEN, DAVID, MAYERDIRECTORLess than 5%Individual
KOLBER, JONATHAN, BRIANDIRECTORLess than 5%Individual
REICH, ANTHONY, BERNARDCFO/CCOLess than 5%Individual
Shany, GiladSHAREHOLDER5–10%Individual

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Top Adds (vs prior quarter)

Show all 26 →

Top Trims

Show all 16 →

New Positions

Show all 7 →

Exited Positions

Show all 14 →

ION Fund Management Ltd Holdings (2026-06-30)

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 INVESCO QQQ TR Put QQQ 46090E103 $662.8M 42.03% 900,000 SH
2 TEVA PHARMACEUTICAL INDS LT TEVA 881624209 $141.6M 8.98% 4,180,759 SH
3 DELEK US HLDGS INC NEW DK 24665A103 $75.3M 4.78% 1,481,841 SH
4 SOTERA HEALTH CO SHC 83601L102 $59.3M 3.76% 3,343,648 SH
5 VANECK ETF TRUST Put SMH 92189F676 $52.5M 3.33% 80,000 SH
6 SOLAREDGE TECHNOLOGIES INC SEDG 83417M104 $52.5M 3.33% 897,841 SH
7 DANAOS CORPORATION DAC Y1968P121 $50.3M 3.19% 410,977 SH
8 ILLUMINA INC ILMN 452327109 $46.8M 2.97% 266,384 SH
9 PHINIA INC PHIN 71880K101 $45.1M 2.86% 547,684 SH
10 FLOWSERVE CORP FLS 34354P105 $43.5M 2.76% 586,500 SH
11 GLOBAL E ONLINE LTD GLBE M5216V106 $40.8M 2.59% 1,174,000 SH
12 FLUOR CORP FLR 343412102 $40.7M 2.58% 777,285 SH
13 TRANSOCEAN LTD RIG H8817H100 $33.0M 2.09% 6,750,000 SH
14 NAVIOS MARITIME PARTNERS LP NMM Y62267409 $30.9M 1.96% 441,439 SH
15 NEXGEN ENERGY LTD NXE 65340P106 $30.8M 1.95% 3,280,491 SH
16 ULTRA CLEAN HLDGS INC UCTT 90385V107 $29.5M 1.87% 207,000 SH
17 COREWEAVE INC Put CRWV 21873S108 $14.6M 0.93% 146,900 SH
18 ULTRA CLEAN HLDGS INC UCTT 90385V107 $13.0M 0.82% 91,000 SH
19 TTM TECHNOLOGIES INC TTMI 87305R109 $11.6M 0.74% 62,000 SH
20 SOLAREDGE TECHNOLOGIES INC SEDG 83417M104 $9.4M 0.59% 160,000 SH
21 ONTO INNOVATION INC ONTO 683344105 $7.2M 0.46% 19,000 SH
22 ILLUMINA INC ILMN 452327109 $7.0M 0.45% 40,000 SH
23 OKTA INC OKTA 679295105 $6.8M 0.43% 50,000 SH
24 VEECO INSTRS INC DEL VECO 922417100 $6.4M 0.40% 84,000 SH
25 BLOCK INC XYZ 852234103 $6.1M 0.39% 80,000 SH
26 AMAZON COM INC AMZN 023135106 $5.7M 0.36% 24,000 SH
27 GLOBAL E ONLINE LTD GLBE M5216V106 $4.9M 0.31% 140,000 SH
28 PALO ALTO NETWORKS INC PANW 697435105 $3.8M 0.24% 11,000 SH
29 INTERACTIVE BROKERS GROUP I IBKR 45841N107 $3.5M 0.22% 40,000 SH
30 FLOWSERVE CORP FLS 34354P105 $3.3M 0.21% 45,000 SH
31 SPDR SERIES TRUST KRE 78464A698 $2.9M 0.18% 38,460 SH
32 SPDR GOLD TR GLD 78463V107 $1.9M 0.12% 5,045 SH
33 CLOUDFLARE INC NET 18915M107 $1.7M 0.11% 7,000 SH
34 VALE S A VALE 91912E105 $1.6M 0.10% 107,100 SH
35 VALE S A Call VALE 91912E105 $1.6M 0.10% 106,000 SH
36 ARCHER DANIELS MIDLAND CO ADM 039483102 $1.6M 0.10% 20,675 SH
37 PAR PAC HOLDINGS INC PARR 69888T207 $1.5M 0.09% 26,440 SH
38 TWILIO INC TWLO 90138F102 $1.4M 0.09% 7,000 SH
39 AGNICO EAGLE MINES LTD AEM 008474108 $1.4M 0.09% 9,200 SH
40 SLB LIMITED SLB 806857108 $1.4M 0.09% 29,370 SH
41 MONGODB INC MDB 60937P106 $1.3M 0.09% 4,000 SH
42 EXXON MOBIL CORP XOM 30231G102 $1.3M 0.08% 9,360 SH
43 HALLIBURTON CO HAL 406216101 $1.3M 0.08% 37,650 SH
44 DELTA AIR LINES INC DAL 247361702 $1.3M 0.08% 13,375 SH
45 NUTRIEN LTD NTR 67077M108 $1.2M 0.08% 19,400 SH
46 GLOBAL X FDS SIL 37954Y848 $1.2M 0.08% 15,400 SH
47 PETROLEO BRASILEIRO S A PBR 71654V408 $1.2M 0.07% 72,000 SH
48 SOUTHERN COPPER CORP SCCO 84265V105 $1.1M 0.07% 6,229 SH
49 ISHARES SILVER TR SLV 46428Q109 $1.1M 0.07% 20,100 SH
50 AKAMAI TECHNOLOGIES INC AKAM 00971T101 $1.1M 0.07% 9,000 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $1.58B 61 0001178913-26-004149
2026-03-31 2026-05-15 $706.7M 68 0001178913-26-002740
2025-12-31 2026-02-17 $857.4M 69 0001178913-26-000526
Filer Information
Address
89 MEDINAT HAYEHUDIM ST.
BUILDING E, 13TH FLOOR
HERZLIYA 4676672
Phone
0097299703620
Filing Manager
ION Fund Management Ltd
Herzliya, L3
Signatory
Jonathan Half / Stephen Levey
Director / Director