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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%

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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.