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ZDA

Zweig-DiMenna Associates Portfolio holdings

AUM $1.1B
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
+5,051.77%
AUM
$1.1B
AUM Growth
+$380M
Cap. Flow
+$41M
Cap. Flow %
3.72%
Top 10 Hldgs %
39.26%
Holding
82
New
21
Increased
13
Reduced
26
Closed
12

Top Buys

Rank Stock Value
1
PL icon
Planet Labs
PL
+$24.4M
2
RVMD icon
Revolution Medicines
RVMD
+$16.3M
3
ADI icon
Analog Devices
ADI
+$14.3M
4
COF icon
Capital One
COF
+$14.3M
5
AMD icon
Advanced Micro Devices
AMD
+$11.7M

Top Sells

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$33.4M
2
CRWD icon
CrowdStrike
CRWD
+$14.8M
3
COHR icon
Coherent
COHR
+$8.62M
4
HUT
Hut 8
HUT
+$8.23M
5
WGS icon
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
SNDK
1
Sandisk
SNDK
$217B
$74.1M 6.73%
32,609
+7,759
+31% +$11.1M
AMZN icon
2
Amazon
AMZN
$2.87T
$54M 4.9%
226,579
-133,180
-37% -$33.4M
MU icon
3
Micron Technology
MU
$1.05T
$47.8M 4.33%
41,377
-4,123
-9% -$3.09M
WGS icon
4
GeneDx Holdings
WGS
$2.57B
$39.3M 3.56%
571,950
-117,340
-17% -$6.67M
AMAT icon
5
Applied Materials
AMAT
$366B
$39.1M 3.55%
54,128
-11,172
-17% -$5.15M
LRCX icon
6
Lam Research
LRCX
$378B
$38.6M 3.5%
88,966
-7,534
-8% -$2.29M
AMD icon
7
Advanced Micro Devices
AMD
$760B
$36.7M 3.33%
63,226
+28,467
+82% +$11.7M
COHR icon
8
Coherent
COHR
$54.7B
$36.4M 3.31%
92,371
-24,379
-21% -$8.62M
APP icon
9
Applovin
APP
$106B
$35.4M 3.21%
68,675
-12,275
-15% -$5.92M
LITE icon
10
Lumentum
LITE
$80.3B
$31.4M 2.85%
36,553
-4,197
-10% -$3.74M
TSM icon
11
TSMC
TSM
$2.17T
$30.9M 2.8%
64,728
-12,697
-16% -$5.15M
NVDA icon
12
NVIDIA
NVDA
$5.25T
$29.3M 2.66%
146,615
+15,975
+12% +$3.28M
V icon
13
Visa
V
$712B
$26.5M 2.4%
77,150
+10,450
+16% +$3.35M
AVGO icon
14
Broadcom
AVGO
$1.75T
$26.4M 2.39%
69,814
+214
+0.3% +$85.8K
RVMD icon
15
Revolution Medicines
RVMD
$44.6B
$22.5M 2.04%
120,200
+111,913
+1,350% +$16.3M
NXPI icon
16
NXP Semiconductors
NXPI
$56.4B
$22.3M 2.02%
79,301
+38,889
+96% +$10.7M
NTRA icon
17
Natera
NTRA
$47B
$22.3M 2.02%
81,982
+5,732
+8% +$1.22M
PL icon
18
Planet Labs
PL
$7.12B
$21.9M 1.98%
+660,200
New +$24.4M
VRT icon
19
Vertiv
VRT
$99B
$21.3M 1.93%
63,502
-16,081
-20% -$5.1M
TER icon
20
Teradyne
TER
$55.5B
$18.4M 1.67%
38,034
– –
BE icon
21
Bloom Energy
BE
$62.1B
$17.4M 1.58%
57,525
-4,975
-8% -$1.27M
STX icon
22
Seagate
STX
$188B
$17.2M 1.56%
17,844
– –
DELL icon
23
Dell
DELL
$295B
$16.2M 1.47%
+37,500
New +$10.8M
WULF icon
24
TeraWulf
WULF
$7.66B
$15.8M 1.43%
637,982
-29,848
-4% -$686K
CRWD icon
25
CrowdStrike
CRWD
$224B
$15.7M 1.42%
82,044
-103,956
-56% -$14.8M
1
2 3 4

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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.