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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
+5.97%
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
$722M
AUM Growth
-$889M
Cap. Flow
-$691M
Cap. Flow %
-95.67%
Top 10 Hldgs %
44.51%
Holding
120
New
14
Increased
12
Reduced
33
Closed
59

Top Buys

Rank Stock Value
1
AMAT icon
Applied Materials
AMAT
+$22M
2
CRWD icon
CrowdStrike
CRWD
+$19.7M
3
QXO
QXO Inc
QXO
+$13.3M
4
BE icon
Bloom Energy
BE
+$9.17M
5
COHR icon
Coherent
COHR
+$9.13M

Top Sells

Rank Stock Value
1
LITE icon
Lumentum
LITE
+$49.9M
2
AVGO icon
Broadcom
AVGO
+$47M
3
PWR icon
Quanta Services
PWR
+$43M
4
TSM icon
TSMC
TSM
+$39.1M
5
CLS icon
Celestica
CLS
+$29.7M

Sector Composition

Rank Sector Weight
1 Technology 43.63%
2 Communication Services 12.58%
3 Consumer Discretionary 12.42%
4 Industrials 11.73%
5 Healthcare 9.29%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AMZN icon
1
Amazon
AMZN
$2.87T
$74.9M 10.37%
359,759
-8,025
-2% -$1.77M
WGS icon
2
GeneDx Holdings
WGS
$2.57B
$44.3M 6.13%
689,290
+91,465
+15% +$8.34M
APP icon
3
Applovin
APP
$106B
$32.2M 4.46%
80,950
-38,995
-33% -$18.8M
LITE icon
4
Lumentum
LITE
$80.3B
$28.6M 3.97%
40,750
-90,817
-69% -$49.9M
COHR icon
5
Coherent
COHR
$54.7B
$27.8M 3.85%
116,750
+39,850
+52% +$9.13M
TSM icon
6
TSMC
TSM
$2.17T
$26.2M 3.62%
77,425
-113,495
-59% -$39.1M
NVDA icon
7
NVIDIA
NVDA
$5.25T
$22.8M 3.15%
130,640
-45,725
-26% -$8.39M
AMAT icon
8
Applied Materials
AMAT
$366B
$22.3M 3.09%
+65,300
New +$22M
AVGO icon
9
Broadcom
AVGO
$1.75T
$21.5M 2.98%
69,600
-142,780
-67% -$47M
META icon
10
Meta Platforms (Facebook)
META
$1.47T
$20.8M 2.88%
36,320
+6,025
+20% +$3.86M
LRCX icon
11
Lam Research
LRCX
$378B
$20.6M 2.85%
96,500
+31,100
+48% +$6.95M
V icon
12
Visa
V
$712B
$20.2M 2.79%
66,700
+11,303
+20% +$3.63M
VRT icon
13
Vertiv
VRT
$99B
$19.9M 2.76%
79,583
-22,110
-22% -$4.91M
CRWD icon
14
CrowdStrike
CRWD
$224B
$18.2M 2.51%
+186,000
New +$19.7M
SNDK
15
Sandisk
SNDK
$217B
$15.8M 2.19%
24,850
-41,650
-63% -$23.5M
MU icon
16
Micron Technology
MU
$1.05T
$15.4M 2.13%
45,500
+19,098
+72% +$7.48M
NTRA icon
17
Natera
NTRA
$47B
$15.2M 2.11%
76,250
-58,550
-43% -$12.6M
GOOGL icon
18
Alphabet (Google) Class A
GOOGL
$4.24T
$14.9M 2.06%
51,675
-600
-1% -$189K
DAL icon
19
Delta Air Lines
DAL
$52.7B
$14.1M 1.95%
212,060
-60,250
-22% -$4.06M
SPOT icon
20
Spotify
SPOT
$113B
$13.3M 1.84%
27,405
-830
-3% -$417K
QXO
21
QXO Inc
QXO
$14B
$11.3M 1.57%
+582,500
New +$13.3M
TER icon
22
Teradyne
TER
$55.5B
$11.3M 1.56%
38,034
-42,595
-53% -$11.9M
KTOS icon
23
Kratos Defense & Security Solutions
KTOS
$9.76B
$10.9M 1.51%
155,026
-53,974
-26% -$5.18M
MSFT icon
24
Microsoft
MSFT
$3.81T
$10.3M 1.43%
27,850
-19,600
-41% -$8.2M
NFLX icon
25
Netflix
NFLX
$340B
$9.71M 1.34%
101,000
-70,200
-41% -$6.19M
1
2 3 4 5

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Zweig-DiMenna Associates's Q1 2026 Portfolio in Review

As of Q1 2026, Zweig-DiMenna Associates held 120 positions worth $722M, down 55% from $1.61B the previous quarter. Its ten largest holdings account for 45% of the portfolio.

Zweig-DiMenna Associates withdrew a net $691M in Q1 2026, closing 59 positions and reducing 33 holdings. Its most notable exit was Celestica, an estimated $29.7M position sold in full.

By sector, the portfolio is most concentrated in Technology at 44% of assets, up from 33% a quarter earlier, followed by Communication Services and Consumer Discretionary.

Against the trend, Zweig-DiMenna Associates opened a new position in Applied Materials worth $22.3M.

  • Zweig-DiMenna Associates's largest Q1 2026 buy was Applied Materials: 65,300 shares worth $22.3M.
  • Zweig-DiMenna Associates added most to Coherent in Q1 2026, an estimated $9.13M increase.
  • Zweig-DiMenna Associates's biggest Q1 2026 reduction was Lumentum, cutting an estimated $49.9M.
  • Zweig-DiMenna Associates fully exited Celestica in Q1 2026, selling an estimated $29.7M.
  • Zweig-DiMenna Associates's ten largest holdings make up 45% of its $722M portfolio in Q1 2026.
  • Zweig-DiMenna Associates opened 14 new positions and closed 59 in Q1 2026.
  • Zweig-DiMenna Associates's portfolio value fell 55% quarter-over-quarter to $722M.

Based on Zweig-DiMenna Associates's 13F filing for Q1 2026, filed 5 May 2026.