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Zweig-DiMenna Associates Portfolio holdings
AUM
$1.1B
Turnover
40.24%
1-Year Est. Return
171.86%
This Fund
S&P 500
This Quarter Est. Return
+78.76%
1 Year Est. Return
+171.86%
3 Year Est. Return
+561.39%
5 Year Est. Return
+872.04%
10 Year Est. Return
+5,051.75%
AUM
$1.1B
AUM Growth
+$380M
(+53%)
Cap. Flow
+$41M
Cap. Flow % of AUM
Cap. Flow %
3.72%
Top 10 Holdings %
Top 10 Hldgs %
39.26%
Holding
82
New
21
Increased
13
Reduced
26
Closed
12
Avg Time Held
Equity + Options
1.7
years
Top 10 Avg Time Held
Equity + Options
0.7
years
Top 20 Avg Time Held
Equity + Options
1.3
years
Avg Time Held Equity only
1.7
years
Top 10 Avg Time Held Equity only
0.7
years
Top 20 Avg Time Held Equity only
1.3
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Planet Labs
PL
|
+$24.4M |
| 2 |
Revolution Medicines
RVMD
|
+$16.3M |
| 3 |
Analog Devices
ADI
|
+$14.3M |
| 4 |
Capital One
COF
|
+$14.3M |
| 5 |
Advanced Micro Devices
AMD
|
+$11.7M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$33.4M |
| 2 |
CrowdStrike
CRWD
|
+$14.8M |
| 3 |
Coherent
COHR
|
+$8.62M |
| 4 |
Hut 8
HUT
|
+$8.23M |
| 5 |
GeneDx Holdings
WGS
|
+$6.67M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 54.53% |
| 2 | Industrials | 11.92% |
| 3 | Healthcare | 9.05% |
| 4 | Financials | 7.88% |
| 5 | Communication Services | 7.69% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
1
Sandisk
SNDK
$188B
| $74.1M | 6.73% |
32,609
+7,759
| +31% | +$11.1M |
2025 Q4
2 quarters
|
|
|
2
Amazon
AMZN
$2.7T
| $54M | 4.9% |
226,579
-133,180
| -37% | -$33.4M |
2015 Q1
45 quarters
|
|
3
Micron Technology
MU
$994B
| $47.8M | 4.33% |
41,377
-4,123
| -9% | -$3.09M |
2023 Q2
12 quarters
|
|
|
4
GeneDx Holdings
WGS
$1.9B
| $39.3M | 3.56% |
571,950
-117,340
| -17% | -$6.67M |
2024 Q4
6 quarters
|
|
5
Applied Materials
AMAT
$325B
| $39.1M | 3.55% |
54,128
-11,172
| -17% | -$5.15M |
2026 Q1
1 quarter
|
|
6
Lam Research
LRCX
$330B
| $38.6M | 3.5% |
88,966
-7,534
| -8% | -$2.29M |
2025 Q2
4 quarters
|
|
|
7
Advanced Micro Devices
AMD
$863B
| $36.7M | 3.33% |
63,226
+28,467
| +82% | +$11.7M |
2019 Q4
26 quarters
|
|
|
8
Coherent
COHR
$45.9B
| $36.4M | 3.31% |
92,371
-24,379
| -21% | -$8.62M |
2025 Q4
2 quarters
|
|
9
Applovin
APP
$89.1B
| $35.4M | 3.21% |
68,675
-12,275
| -15% | -$5.92M |
2024 Q4
6 quarters
|
|
10
Lumentum
LITE
$74.7B
| $31.4M | 2.85% |
36,553
-4,197
| -10% | -$3.74M |
2025 Q2
4 quarters
|
|
11
TSMC
TSM
$2.14T
| $30.9M | 2.8% |
64,728
-12,697
| -16% | -$5.15M |
2019 Q1
29 quarters
|
|
12
NVIDIA
NVDA
$5.17T
| $29.3M | 2.66% |
146,615
+15,975
| +12% | +$3.28M |
2019 Q2
28 quarters
|
|
13
Visa
V
$756B
| $26.5M | 2.4% |
77,150
+10,450
| +16% | +$3.35M |
2013 Q2
52 quarters
|
|
14
Broadcom
AVGO
$1.57T
| $26.4M | 2.39% |
69,814
+214
| +0.3% | +$85.8K |
2022 Q3
15 quarters
|
|
|
15
Revolution Medicines
RVMD
$38.1B
| $22.5M | 2.04% |
120,200
+111,913
| +1,350% | +$16.3M |
2025 Q4
2 quarters
|
|
16
NXP Semiconductors
NXPI
$57.8B
| $22.3M | 2.02% |
79,301
+38,889
| +96% | +$10.7M |
2025 Q2
4 quarters
|
|
17
Natera
NTRA
$56.7B
| $22.3M | 2.02% |
81,982
+5,732
| +8% | +$1.22M |
2024 Q2
8 quarters
|
|
|
18
Planet Labs
PL
$4.93B
| $21.9M | 1.98% |
+660,200
| New | +$24.4M |
2026 Q2
0 quarters
|
|
19
Vertiv
VRT
$79.5B
| $21.3M | 1.93% |
63,502
-16,081
| -20% | -$5.1M |
2024 Q1
9 quarters
|
|
20
Teradyne
TER
$50.8B
| $18.4M | 1.67% |
38,034
| – | – |
2023 Q2
12 quarters
|
|
21
Bloom Energy
BE
$65.2B
| $17.4M | 1.58% |
57,525
-4,975
| -8% | -$1.27M |
2026 Q1
1 quarter
|
|
22
Seagate
STX
$145B
| $17.2M | 1.56% |
17,844
| – | – |
2025 Q2
4 quarters
|
|
23
Dell
DELL
$287B
| $16.2M | 1.47% |
+37,500
| New | +$10.8M |
2026 Q2
0 quarters
|
|
24
TeraWulf
WULF
$5.83B
| $15.8M | 1.43% |
637,982
-29,848
| -4% | -$686K |
2025 Q2
4 quarters
|
|
|
25
CrowdStrike
CRWD
$233B
| $15.7M | 1.42% |
82,044
-103,956
| -56% | -$14.8M |
2026 Q1
1 quarter
|
|
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Zweig-DiMenna Associates's Q2 2026 Portfolio in Review
As of Q2 2026, Zweig-DiMenna Associates held 82 positions worth $1.1B, up 53% from $722M the previous quarter. Its ten largest holdings account for 39% of the portfolio.
Zweig-DiMenna Associates deployed $41M of net new capital in Q2 2026, opening 21 new positions and adding to 13 existing holdings. Its largest new stake was Planet Labs: 660,200 shares worth $21.9M.
By sector, the portfolio is most concentrated in Technology at 55% of assets, up from 44% a quarter earlier, followed by Industrials and Healthcare.
On the sell side, the largest reduction was Amazon, an estimated $33.4M trimmed.
- Zweig-DiMenna Associates's largest Q2 2026 buy was Planet Labs: 660,200 shares worth $21.9M.
- Zweig-DiMenna Associates added most to Revolution Medicines in Q2 2026, an estimated $16.3M increase.
- Zweig-DiMenna Associates's biggest Q2 2026 reduction was Amazon, cutting an estimated $33.4M.
- Zweig-DiMenna Associates fully exited Synopsys in Q2 2026, selling an estimated $5.74M.
- Zweig-DiMenna Associates's ten largest holdings make up 39% of its $1.1B portfolio in Q2 2026.
- Zweig-DiMenna Associates opened 21 new positions and closed 12 in Q2 2026.
- Zweig-DiMenna Associates's portfolio value rose 53% quarter-over-quarter to $1.1B.
Based on Zweig-DiMenna Associates's 13F filing for Q2 2026, filed 13 Aug 2026.