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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
COF icon
26
Capital One
COF
$132B
$15M 1.37%
+75,000
New +$14.3M
META icon
27
Meta Platforms (Facebook)
META
$1.47T
$14.9M 1.36%
26,520
-9,800
-27% -$5.99M
GOOGL icon
28
Alphabet (Google) Class A
GOOGL
$4.24T
$14.8M 1.34%
41,450
-10,225
-20% -$3.68M
ADI icon
29
Analog Devices
ADI
$175B
$14.4M 1.31%
+36,250
New +$14.3M
MRVL icon
30
Marvell Technology
MRVL
$195B
$14.4M 1.3%
+48,233
New +$9.67M
PWR icon
31
Quanta Services
PWR
$90.6B
$14.3M 1.3%
19,850
+4,300
+28% +$2.94M
SEI
32
Solaris Energy Infrastructure
SEI
$3.28B
$13.9M 1.26%
172,650
+125,150
+263% +$8.94M
INTC icon
33
Intel
INTC
$473B
$13.7M 1.25%
+98,400
New +$9.95M
DAL icon
34
Delta Air Lines
DAL
$52.7B
$12.5M 1.14%
133,850
-78,210
-37% -$5.9M
SPOT icon
35
Spotify
SPOT
$113B
$12.4M 1.13%
27,021
-384
-1% -$183K
ONTO icon
36
Onto Innovation
ONTO
$16.6B
$12.3M 1.12%
+32,600
New +$9.23M
MCHP icon
37
Microchip Technology
MCHP
$39.6B
$11.5M 1.04%
125,644
-21,356
-15% -$1.9M
CDNA icon
38
CareDx
CDNA
$2.58B
$11.1M 1.01%
388,812
-1,443
-0.4% -$31.4K
MSFT icon
39
Microsoft
MSFT
$3.81T
$10.9M 0.99%
29,200
+1,350
+5% +$546K
AAOI icon
40
Applied Optoelectronics
AAOI
$9.02B
$10.6M 0.97%
71,835
-8,215
-10% -$1.34M
ANET icon
41
Arista Networks
ANET
$246B
$10.6M 0.96%
62,304
-16,196
-21% -$2.54M
PRCH icon
42
Porch Group
PRCH
$1.98B
$10.4M 0.95%
693,738
-145,762
-17% -$1.44M
QXO
43
QXO Inc
QXO
$14B
$10.3M 0.94%
598,900
+16,400
+3% +$305K
XMTR icon
44
Xometry
XMTR
$5.39B
$9.91M 0.9%
102,650
– –
SPNT icon
45
SiriusPoint
SPNT
$2.81B
$9.54M 0.87%
397,350
– –
TDUP icon
46
ThredUp
TDUP
$357M
$7.9M 0.72%
1,154,000
-300,500
-21% -$1.41M
EMBJ
47
Embraer S.A. ADS
EMBJ
$12.9B
$7.79M 0.71%
122,161
– –
FN icon
48
Fabrinet
FN
$14.8B
$7.25M 0.66%
12,900
– –
NFLX icon
49
Netflix
NFLX
$340B
$7.21M 0.65%
101,000
– –
KTOS icon
50
Kratos Defense & Security Solutions
KTOS
$9.76B
$7.13M 0.65%
143,026
-12,000
-8% -$726K
1
2
3 4

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TPA
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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.