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ION Fund Management Portfolio holdings

AUM $1.58B
This Fund
S&P 500
This Quarter Est. Return
+20.92%
1 Year Est. Return
–
3 Year Est. Return
–
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$1.58B
AUM Growth
+$870M
Cap. Flow
+$86.9M
Cap. Flow %
5.51%
Top 10 Hldgs %
79.28%
Holding
71
New
9
Increased
16
Reduced
13
Closed
15
Avg Time Held Equity + Options
1.5 quarters
Top 10 Avg Time Held Equity + Options
0.9 quarters
Top 20 Avg Time Held Equity + Options
1.2 quarters
Avg Time Held Equity only
1.5 quarters
Top 10 Avg Time Held Equity only
1.1 quarters
Top 20 Avg Time Held Equity only
1.3 quarters

Top Buys

Rank Stock Value
1
GLBE icon
Global E Online
GLBE
+$36.7M
2
SHC icon
Sotera Health
SHC
+$33.9M
3
FLS icon
Flowserve
FLS
+$33M
4
FLR icon
Fluor
FLR
+$23.4M
5
RIG icon
Transocean
RIG
+$14.1M

Top Sells

Rank Stock Value
1
Q
Qnity Electronics Inc
Q
+$25.6M
2
AER icon
AerCap
AER
+$17.1M
3
ILMN icon
Illumina
ILMN
+$12.3M
4
CIEN icon
Ciena
CIEN
+$10.7M
5
TTMI icon
TTM Technologies
TTMI
+$6.13M

Sector Composition

Rank Sector Weight
1 Miscellaneous 46.9%
2 Healthcare 16.16%
3 Industrials 10.93%
4 Technology 9.62%
5 Energy 9.42%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow Held Since
QQQ icon
1
PUT
Invesco QQQ Trust
QQQ
$507B
$663M 42.03%
+900,000
New +$619M
2026 Q2
0 quarters
TEVA icon
2
Teva Pharmaceutical Industries Limited
TEVA
$47.9B
$142M 8.98%
4,180,759
+321,316
+8% +$10.7M
2025 Q4
2 quarters
DK icon
3
Delek US
DK
$4.56B
$75.3M 4.78%
1,481,841
+111,841
+8% +$4.96M
2025 Q4
2 quarters
SEDG icon
4
SolarEdge
SEDG
$1.98B
$61.8M 3.92%
1,057,841
-45,849
-4% -$2.4M
2025 Q4
2 quarters
SHC icon
5
Sotera Health
SHC
$5.15B
$59.3M 3.76%
3,343,648
+2,150,258
+180% +$33.9M
2025 Q4
2 quarters
ILMN icon
6
Illumina
ILMN
$42B
$53.9M 3.42%
306,384
-83,816
-21% -$12.3M
2025 Q4
2 quarters
SMH icon
7
PUT
VanEck Semiconductor ETF
SMH
$74B
$52.5M 3.33%
+80,000
New +$43.6M
2026 Q2
0 quarters
DAC icon
8
Danaos Corp
DAC
$3.08B
$50.3M 3.19%
410,977
+29,855
+8% +$3.73M
2025 Q4
2 quarters
FLS icon
9
Flowserve
FLS
$9.19B
$46.8M 2.97%
631,500
+434,500
+221% +$33M
2026 Q1
1 quarter
GLBE icon
10
Global E Online
GLBE
$6.78B
$45.6M 2.89%
1,314,000
+1,159,000
+748% +$36.7M
2025 Q4
2 quarters
PHIN icon
11
Phinia Inc
PHIN
$2.12B
$45.1M 2.86%
547,684
+37,684
+7% +$2.89M
2025 Q4
2 quarters
UCTT
12
Ultra Clean Holdings
UCTT
$3.11B
$42.5M 2.7%
298,000
-51,852
-15% -$4.56M
2026 Q1
1 quarter
FLR icon
13
Fluor
FLR
$6.78B
$40.7M 2.58%
777,285
+478,085
+160% +$23.4M
2026 Q1
1 quarter
RIG icon
14
Transocean
RIG
$6.15B
$33M 2.09%
6,750,000
+2,261,600
+50% +$14.1M
2025 Q4
2 quarters
NMM icon
15
Navios Maritime Partners
NMM
$2.69B
$30.9M 1.96%
441,439
+10,495
+2% +$751K
2025 Q4
2 quarters
NXE icon
16
NexGen Energy
NXE
$5.87B
$30.8M 1.95%
3,280,491
+662,291
+25% +$7.53M
2025 Q4
2 quarters
CRWV
17
PUT
CoreWeave
CRWV
$45.3B
$14.6M 0.93%
146,900
– –
2025 Q4
2 quarters
TTMI icon
18
TTM Technologies
TTMI
$12.7B
$11.6M 0.74%
62,000
-38,000
-38% -$6.13M
2025 Q4
2 quarters
ONTO icon
19
Onto Innovation
ONTO
$14.5B
$7.19M 0.46%
19,000
-11,000
-37% -$3.11M
2026 Q1
1 quarter
OKTA icon
20
Okta
OKTA
$40.6B
$6.82M 0.43%
50,000
+10,000
+25% +$940K
2025 Q4
2 quarters
VECO icon
21
Veeco
VECO
$3.2B
$6.37M 0.4%
+84,000
New +$4.79M
2026 Q2
0 quarters
XYZ
22
Block Inc
XYZ
$46.4B
$6.08M 0.39%
80,000
– –
2025 Q4
2 quarters
AMZN icon
23
Amazon
AMZN
$2.83T
$5.72M 0.36%
24,000
– –
2025 Q4
2 quarters
PANW icon
24
Palo Alto Networks
PANW
$343B
$3.75M 0.24%
11,000
-5,000
-31% -$1.14M
2025 Q4
2 quarters
IBKR icon
25
Interactive Brokers
IBKR
$39.8B
$3.48M 0.22%
40,000
– –
2025 Q4
2 quarters
1
2 3

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ION Fund Management's Q2 2026 Portfolio in Review

As of Q2 2026, ION Fund Management held 71 positions worth $1.58B, up 123% from $707M the previous quarter. Its ten largest holdings account for 79% of the portfolio.

ION Fund Management deployed $86.9M of net new capital in Q2 2026, opening 9 new positions and adding to 16 existing holdings. Its largest new stake was Veeco: 84,000 shares worth $6.37M.

By sector, the portfolio is most concentrated in Miscellaneous at 47% of assets, up from 8.4% a quarter earlier, followed by Healthcare and Industrials.

On the sell side, the largest reduction was Illumina, an estimated $12.3M trimmed.

  • ION Fund Management's largest Q2 2026 buy was Veeco: 84,000 shares worth $6.37M.
  • ION Fund Management added most to Global E Online in Q2 2026, an estimated $36.7M increase.
  • ION Fund Management's biggest Q2 2026 reduction was Illumina, cutting an estimated $12.3M.
  • ION Fund Management fully exited Qnity Electronics Inc in Q2 2026, selling an estimated $25.6M.
  • ION Fund Management's ten largest holdings make up 79% of its $1.58B portfolio in Q2 2026.
  • ION Fund Management opened 9 new positions and closed 15 in Q2 2026.
  • ION Fund Management's portfolio value rose 123% quarter-over-quarter to $1.58B.

Based on ION Fund Management's 13F filing for Q2 2026, filed 14 Aug 2026.