Latest Zweig-DiMenna Associates LLC Stock Portfolio

$722Million– No. of Holdings #59

Zweig-DiMenna Associates LLC Performance:

2026 Q1: -1.79%YTD: -1.79%2025: 26.31%

Performance for 2026 Q1 is -1.79%, and YTD is -1.79%, and 2025 is 26.31%.

About Zweig-DiMenna Associates LLC and 13F Hedge Fund Stock Holdings

Zweig-DiMenna Associates LLC is a hedge fund based in New York, NY. On 2026-05-05, the fund reported it's updated stock portfolio. In the 13F Holdings report, Zweig-DiMenna Associates LLC reported an equity portfolio of $722.2 Millions as of 31 Mar, 2026.

The top stock holdings of Zweig-DiMenna Associates LLC are AMZN, SMFR, APP. The fund has invested 10.4% of it's portfolio in AMAZON COM INC and 6.1% of portfolio in GENEDX HOLDINGS CORP.

The fund managers got completely rid off CELESTICA INC (CLS), CYBERARK SOFTWARE LTD (CYBR) and MARVELL TECHNOLOGY INC (MRVL) stocks. They significantly reduced their stock positions in B2GOLD CORP (BTG), REVOLUTION MEDICINES INC (RVMD) and QUANTA SVCS INC (PWR). Zweig-DiMenna Associates LLC opened new stock positions in APPLIED MATERIALS (AMAT), CROWDSTRIKE HOLDINGS INC (CRWD) and QXO INC (SSNT). The fund showed a lot of confidence in some stocks as they added substantially to ARISTA NETWORKS INC (ANET), THREDUP INC (TDUP) and MICRON TECHNOLOGY INC (MU).

Zweig-DiMenna Associates LLC Equity Portfolio Value

Last Reported on: 05 May, 2026

Zweig-DiMenna Associates LLC Annual Return Estimates Vs S&P 500

Our best estimate is that Zweig-DiMenna Associates LLC made a return of -1.79% in the last quarter. In trailing 12 months, it's portfolio return was 35.85%.

Performance
S&P 500

New Buys

Ticker	$ Bought
applied materials	22,318,900
crowdstrike holdings inc	18,154,100
qxo inc	11,312,200
bloom energy corp	8,468,120
fabrinet	6,727,610
snowflake inc	5,972,470
vistra corp	4,359,570
allient inc	2,777,230

New stocks bought by Zweig-DiMenna Associates LLC

Additions

Ticker	% Inc.
arista networks inc	248
thredup inc	170
micron technology inc	72.34
coherent corp	51.82
vaneck etf trust	50.00
lam research	47.55
microchip technology	20.99
visa inc	20.4

Additions to existing portfolio by Zweig-DiMenna Associates LLC

Reductions

Ticker	% Reduced
b2gold corp	-96.69
revolution medicines inc	-92.08
quanta svcs inc	-84.29
hut 8 mining corp	-78.35
bit digital inc	-76.3
seagate technology hldngs pl	-76.21
lumentum hldgs inc	-69.03
broadcom inc	-67.23

Zweig-DiMenna Associates LLC reduced stake in above stock

Sold off

Ticker	$ Sold
eos energy enterprises inc	-11,391,100
aris mining corp	-4,885,230
bbb foods inc	-8,769,480
alamos gold inc	-10,050,100
figure technology solut	-10,389,700
marvell technology inc	-20,856,500
amn healthcare	-3,518,280
whitefiber inc	-2,911,150

Zweig-DiMenna Associates LLC got rid off the above stocks

Sector Distribution

Zweig-DiMenna Associates LLC has about 44.5% of it's holdings in Technology sector.

Technology
Consumer Cyclical
Others
Industrials
Communication Services
Financial Services
Healthcare

Sector	%
Technology	44.5
Consumer Cyclical	11.9
Others	11.7
Industrials	9.3
Communication Services	6.4
	6.2
Financial Services	5.9
Healthcare	3.2

Market Cap. Distribution

Zweig-DiMenna Associates LLC has about 74.7% of it's portfolio invested in the large-cap and mega-cap stocks.

LARGE-CAP
MEGA-CAP
UNALLOCATED
MID-CAP
SMALL-CAP

Category	%
LARGE-CAP	38.2
MEGA-CAP	36.5
UNALLOCATED	11.3
MID-CAP	10.6
SMALL-CAP	3.4

Stocks belong to which Index?

About 57.3% of the stocks held by Zweig-DiMenna Associates LLC either belong to S&P 500 or RUSSELL 2000 index.

S&P 500
Others
RUSSELL 2000

Index	%
S&P 500	47.6
Others	42.7
RUSSELL 2000	9.7

Top 5 Winners (%)		%
AAOI	applied optoelr	139.3 %
	sandisk corp	115.2 %
LITE	lumentum hldgs inc	59.4 %
VRT	vertiv holdings co	48.7 %
TER	teradyne inc	39.1 %

Top 5 Winners ($)		$
LITE	lumentum hldgs inc	28.8 M
	sandisk corp	18.2 M
VRT	vertiv holdings co	8.0 M
PWR	quanta svcs inc	7.3 M
TER	teradyne inc	6.1 M

Top 5 Losers (%)		%
SMFR	genedx holdings corp	-48.9 %
STEM	stem inc	-41.3 %
TDUP	thredup inc	-39.4 %
APP	applovin corp	-34.3 %
XMTR	xometry inc	-28.3 %

Top 5 Losers ($)		$
SMFR	genedx holdings corp	-42.4 M
APP	applovin corp	-27.7 M
AMZN	amazon com inc	-8.2 M
AVGO	broadcom inc	-5.2 M
MSFT	microsoft corp	-4.3 M

Zweig-DiMenna Associates LLC Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of Zweig-DiMenna Associates LLC

Zweig-DiMenna Associates LLC has 59 stocks in it's portfolio. About 44.5% of the portfolio is in top 10 stocks. SMFR proved to be the most loss making stock for the portfolio. LITE was the most profitable stock for Zweig-DiMenna Associates LLC last quarter.

Last Reported on: 05 May, 2026

Ticker	Namesorted ascending	% Portfolio	Shares Held	$ Value	Type	% Change
AAOI	applied optoelr	0.94	80,050	6,771,430	added	1.97

ADI	analog devices	0.00	0.00	0.00	sold off	-100

AGI	alamos gold inc	0.00	0.00	0.00	sold off	-100

AI	c3.ai inc	0.37	318,950	2,685,560	new

AMAT	applied materials	3.09	65,300	22,318,900	new

AMD	advanced micro devices inc	0.98	34,759	7,071,020	reduced	-53.39

AMN	amn healthcare	0.00	0.00	0.00	sold off	-100

AMOT	allient inc	0.38	47,000	2,777,230	new

AMZN	amazon com inc	10.37	359,759	74,927,000	reduced	-2.18

ANET	arista networks inc	1.33	78,500	9,638,230	added	248

APP	applovin corp	4.46	80,950	32,218,100	reduced	-32.51

ASND	ascendis pha	0.00	0.00	0.00	sold off	-100

AVGO	broadcom inc	2.98	69,600	21,541,900	reduced	-67.23

BABA	alibaba group holding ltd	0.00	0.00	0.00	sold off	-100

BE	bloom energy corp	1.17	62,500	8,468,120	new

BIL	state street spdr s&p homebuil	0.14	10,200	1,006,940	reduced	-45.74

BIL	state street spdr s&p biotech	0.00	0.00	0.00	sold off	-100

BSX	boston scientific corp	0.00	0.00	0.00	sold off	-100

BTBT	bit digital inc	0.05	253,000	331,430	reduced	-76.3

BTG	b2gold corp	0.03	45,800	207,474	reduced	-96.69