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IFM
ION Fund Management Portfolio holdings
AUM
$1.58B
This Fund
S&P 500
This Quarter
Est. Return
+26.9%
1 Year Est. Return
–
3 Year Est. Return
–
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$707M
AUM Growth
-$151M
(-18%)
Cap. Flow
-$218M
Cap. Flow
% of AUM
-30.85%
Top 10 Holdings %
Top 10 Hldgs %
67.45%
Holding
78
New
16
Increased
11
Reduced
18
Closed
16
Avg Time Held Equity + Options
0.7
quarters
Top 10 Avg Time Held Equity + Options
0.5
quarters
Top 20 Avg Time Held Equity + Options
0.6
quarters
Avg Time Held Equity only
0.7
quarters
Top 10 Avg Time Held Equity only
0.5
quarters
Top 20 Avg Time Held Equity only
0.6
quarters
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Sotera Health
SHC
|
+$19.6M |
| 2 |
UCTT
Ultra Clean Holdings
UCTT
|
+$17.9M |
| 3 |
Flowserve
FLS
|
+$15.6M |
| 4 |
Fluor
FLR
|
+$13.9M |
| 5 |
SolarEdge
SEDG
|
+$11.6M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Check Point Software Technologies
CHKP
|
+$38.2M |
| 2 |
Atlassian
TEAM
|
+$37.4M |
| 3 |
CoStar Group
CSGP
|
+$31M |
| 4 |
iShares Silver Trust
SLV
|
+$24.7M |
| 5 |
Perrigo
PRGO
|
+$24.5M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Healthcare | 25.68% |
| 2 | Technology | 21.02% |
| 3 | Energy | 19.05% |
| 4 | Industrials | 17.35% |
| 5 | Miscellaneous | 8.42% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
1
Teva Pharmaceutical Industries Limited
TEVA
$47.9B
| $116M | 16.45% |
3,859,443
-190,557
| -5% | -$6.13M |
2025 Q4
1 quarter
|
|
2
Delek US
DK
$4.56B
| $61.7M | 8.74% |
1,370,000
-397,601
| -22% | -$14.2M |
2025 Q4
1 quarter
|
|
|
3
SolarEdge
SEDG
$1.98B
| $56.3M | 7.97% |
1,103,690
+307,690
| +39% | +$11.6M |
2025 Q4
1 quarter
|
|
4
Illumina
ILMN
$42B
| $48.1M | 6.81% |
390,200
+58,200
| +18% | +$7.64M |
2025 Q4
1 quarter
|
|
5
Danaos Corp
DAC
$3.08B
| $42.9M | 6.07% |
381,122
-38,693
| -9% | -$4.13M |
2025 Q4
1 quarter
|
|
6
Phinia Inc
PHIN
$2.12B
| $34.9M | 4.94% |
510,000
-5,000
| -1% | -$349K |
2025 Q4
1 quarter
|
|
7
NexGen Energy
NXE
$5.87B
| $30.4M | 4.3% |
2,618,200
+621,260
| +31% | +$7.42M |
2025 Q4
1 quarter
|
|
8
Transocean
RIG
$6.15B
| $29.8M | 4.21% |
4,488,400
+92,277
| +2% | +$520K |
2025 Q4
1 quarter
|
|
9
Navios Maritime Partners
NMM
$2.69B
| $29.1M | 4.12% |
430,944
-35,056
| -8% | -$2.18M |
2025 Q4
1 quarter
|
|
10
CALL
Vale
VALE
$58B
| $27.1M | 3.84% |
1,706,000
-601,100
| -26% | -$9.38M |
2025 Q4
1 quarter
|
|
|
Q
11
Qnity Electronics Inc
Q
$26.5B
| $25.6M | 3.62% |
221,600
+17,300
| +8% | +$1.84M |
2025 Q4
1 quarter
|
|
|
UCTT
12
Ultra Clean Holdings
UCTT
$3.11B
| $21.8M | 3.08% |
+349,852
| New | +$17.9M |
2026 Q1
0 quarters
|
|
13
AerCap
AER
$22.7B
| $17.1M | 2.43% |
125,000
-140,000
| -53% | -$20M |
2025 Q4
1 quarter
|
|
|
14
Sotera Health
SHC
$5.15B
| $17.1M | 2.42% |
1,193,390
+1,183,390
| +11,834% | +$19.6M |
2025 Q4
1 quarter
|
|
|
15
Flowserve
FLS
$9.19B
| $14.5M | 2.05% |
+197,000
| New | +$15.6M |
2026 Q1
0 quarters
|
|
|
16
Fluor
FLR
$6.78B
| $14M | 1.98% |
+299,200
| New | +$13.9M |
2026 Q1
0 quarters
|
|
17
CALL
Petrobras
PBR
$163B
| $12.4M | 1.76% |
+600,000
| New | +$9.6M |
2026 Q1
0 quarters
|
|
|
CRWV
18
PUT
CoreWeave
CRWV
$45.3B
| $11.4M | 1.61% |
146,900
| – | – |
2025 Q4
1 quarter
|
|
19
Ciena
CIEN
$63.8B
| $10.7M | 1.52% |
27,665
-48,335
| -64% | -$14.8M |
2025 Q4
1 quarter
|
|
20
TTM Technologies
TTMI
$12.7B
| $9.74M | 1.38% |
100,000
-40,000
| -29% | -$3.81M |
2025 Q4
1 quarter
|
|
21
Onto Innovation
ONTO
$14.5B
| $6.15M | 0.87% |
+30,000
| New | +$6.14M |
2026 Q1
0 quarters
|
|
22
Amazon
AMZN
$2.83T
| $5M | 0.71% |
24,000
+4,000
| +20% | +$881K |
2025 Q4
1 quarter
|
|
|
XYZ
23
Block Inc
XYZ
$46.4B
| $4.81M | 0.68% |
80,000
-100,000
| -56% | -$6.08M |
2025 Q4
1 quarter
|
|
24
Global E Online
GLBE
$6.78B
| $4.78M | 0.68% |
155,000
+55,000
| +55% | +$1.93M |
2025 Q4
1 quarter
|
|
|
25
Check Point Software Technologies
CHKP
$14B
| $3.71M | 0.53% |
26,000
-228,122
| -90% | -$38.2M |
2025 Q4
1 quarter
|
|
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ION Fund Management's Q1 2026 Portfolio in Review
As of Q1 2026, ION Fund Management held 78 positions worth $707M, down 18% from $857M the previous quarter. Its ten largest holdings account for 67% of the portfolio.
ION Fund Management withdrew a net $218M in Q1 2026, closing 16 positions and reducing 18 holdings. Its most notable exit was Atlassian, an estimated $37.4M position sold in full.
By sector, the portfolio is most concentrated in Healthcare at 26% of assets, up from 23% a quarter earlier, followed by Technology and Energy.
Against the trend, ION Fund Management opened a new position in Ultra Clean Holdings worth $21.8M.
- ION Fund Management's largest Q1 2026 buy was Ultra Clean Holdings: 349,852 shares worth $21.8M.
- ION Fund Management added most to Sotera Health in Q1 2026, an estimated $19.6M increase.
- ION Fund Management's biggest Q1 2026 reduction was Check Point Software Technologies, cutting an estimated $38.2M.
- ION Fund Management fully exited Atlassian in Q1 2026, selling an estimated $37.4M.
- ION Fund Management's ten largest holdings make up 67% of its $707M portfolio in Q1 2026.
- ION Fund Management opened 16 new positions and closed 16 in Q1 2026.
- ION Fund Management's portfolio value fell 18% quarter-over-quarter to $707M.
Based on ION Fund Management's 13F filing for Q1 2026, filed 15 May 2026.