Zweig-DiMenna Associates LLC

NEW YORK, NY · CIK 1533950 · 13F filing filed 2026-08-13

No investment adviser registration (Form ADV) found for this filer. It may be a parent company whose subsidiaries are the registered advisers, a bank or insurer, or a manager based outside the US.

Legal entityZWEIG-DIMENNA ASSOCIATES LLC (US)

Kindhedge funds, futures
Others nearbyNew York, NY, Westport, CT
FamilyZweig-DiMenna Associates LLC · 2 related pages

$1.1bn reported value +54.6% vs Q1 2026

70positions

39.3%in top 10

21 new 13 added 26 reduced 10 sold out vs Q1 2026

This report includes the holdings of 1 other manager that shares the investment decisions:

Zweig-DiMenna International Managers, Inc. – no 13F of its own this quarter

Shares in two reports are counted once in each security's totals.

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#	Security	Ticker	Shares	Value	% of portfolio	Change	Shares change
1	SANDISK CORP COM SNDK	SNDK	32,609	$74.1m6.73%	6.73%	Added +7.8k	+7,759 31.2%
2	AMAZON COM INC COM AMZN	AMZN	226,579	$54.0m4.90%	4.90%	Reduced -133.2k	-133,180 -37.0%
3	MICRON TECHNOLOGY INC COM MU	MU	41,377	$47.8m4.33%	4.33%	Reduced -4.1k	-4,123 -9.1%
4	GENEDX HOLDINGS CORP COM CL A WGS	WGS	571,950	$39.3m3.56%	3.56%	Reduced -117.3k	-117,340 -17.0%
5	APPLIED MATLS INC COM AMAT	AMAT	54,128	$39.1m3.55%	3.55%	Reduced -11.2k	-11,172 -17.1%
6	LAM RESEARCH CORP COM NEW LRCX	LRCX	88,966	$38.6m3.50%	3.50%	Reduced -7.5k	-7,534 -7.8%
7	ADVANCED MICRO DEVICES INC COM AMD	AMD	63,226	$36.7m3.33%	3.33%	Added +28.5k	+28,467 81.9%
8	COHERENT CORP COM COHR	COHR	92,371	$36.4m3.31%	3.31%	Reduced -24.4k	-24,379 -20.9%
9	APPLOVIN CORP COM CL A APP	APP	68,675	$35.4m3.21%	3.21%	Reduced -12.3k	-12,275 -15.2%
10	LUMENTUM HLDGS INC COM LITE	LITE	36,553	$31.4m2.85%	2.85%	Reduced -4.2k	-4,197 -10.3%
11	TAIWAN SEMICONDUCTOR MFG LTD SPONSORED ADS TSM	TSM	64,728	$30.9m2.80%	2.80%	Reduced -12.7k	-12,697 -16.4%
12	NVIDIA CORPORATION COM NVDA	NVDA	146,615	$29.3m2.66%	2.66%	Added +16.0k	+15,975 12.2%
13	VISA INC COM CL A V	V	77,150	$26.5m2.40%	2.40%	Added +10.4k	+10,450 15.7%
14	BROADCOM INC COM AVGO	AVGO	69,814	$26.4m2.39%	2.39%	Added +214	+214 0.3%
15	REVOLUTION MEDICINES INC COM RVMD	RVMD	120,200	$22.5m2.04%	2.04%	Added +111.9k	+111,913 1350.5%
16	NXP SEMICONDUCTORS N V COM NXPI	NXPI	79,301	$22.3m2.02%	2.02%	Added +38.9k	+38,889 96.2%
17	NATERA INC COM NTRA	NTRA	81,982	$22.3m2.02%	2.02%	Added +5.7k	+5,732 7.5%
18	PLANET LABS PBC COM CL A PL	PL	660,200	$21.9m1.98%	1.98%	New
19	VERTIV HOLDINGS CO COM CL A VRT	VRT	63,502	$21.3m1.93%	1.93%	Reduced -16.1k	-16,081 -20.2%
20	TERADYNE INC COM TER	TER	38,034	$18.4m1.67%	1.67%	Unchanged
21	BLOOM ENERGY CORP COM CL A BE	BE	57,525	$17.4m1.58%	1.58%	Reduced -5.0k	-4,975 -8.0%
22	SEAGATE TECHNOLOGY HLDNGS PL ORD SHS STX	STX	17,844	$17.2m1.56%	1.56%	Unchanged
23	DELL TECHNOLOGIES INC CL C DELL	DELL	37,500	$16.2m1.47%	1.47%	New
24	TERAWULF INC COM WULF	WULF	637,982	$15.8m1.43%	1.43%	Reduced -29.8k	-29,848 -4.5%
25	CROWDSTRIKE HLDGS INC CL A CRWD	CRWD	20,511	$15.7m1.42%	1.42%	Reduced -26.0k	-25,989 -55.9%
26	CAPITAL ONE FINL CORP COM COF	COF	75,000	$15.0m1.37%	1.37%	New
27	META PLATFORMS INC CL A META	META	26,520	$14.9m1.36%	1.36%	Reduced -9.8k	-9,800 -27.0%
28	ALPHABET INC CAP STK CL A GOOGL	GOOGL	41,450	$14.8m1.34%	1.34%	Reduced -10.2k	-10,225 -19.8%
29	ANALOG DEVICES INC COM ADI	ADI	36,250	$14.4m1.31%	1.31%	New
30	MARVELL TECHNOLOGY INC COM MRVL	MRVL	48,233	$14.4m1.30%	1.30%	New
31	QUANTA SVCS INC COM PWR	PWR	19,850	$14.3m1.30%	1.30%	Added +4.3k	+4,300 27.6%
32	SOLARIS ENERGY INFRAS INC COM CL A SEI	SEI	172,650	$13.9m1.26%	1.26%	Added +125.2k	+125,150 263.5%
33	INTEL CORP COM INTC	INTC	98,400	$13.7m1.25%	1.25%	New
34	DELTA AIR LINES INC DEL COM NEW DAL	DAL	133,850	$12.5m1.14%	1.14%	Reduced -78.2k	-78,210 -36.9%
35	SPOTIFY TECHNOLOGY S A SHS SPOT	SPOT	27,021	$12.4m1.13%	1.13%	Reduced -384	-384 -1.4%
36	ONTO INNOVATION INC COM ONTO	ONTO	32,600	$12.3m1.12%	1.12%	New
37	MICROCHIP TECHNOLOGY INC. COM MCHP	MCHP	125,644	$11.5m1.04%	1.04%	Reduced -21.4k	-21,356 -14.5%
38	CAREDX INC COM CDNA	CDNA	388,812	$11.1m1.01%	1.01%	Reduced -1.4k	-1,443 -0.4%
39	MICROSOFT CORP COM MSFT	MSFT	29,200	$10.9m0.99%	0.99%	Added +1.4k	+1,350 4.8%
40	APPLIED OPTOELECTRONICS INC COM AAOI	AAOI	71,835	$10.6m0.97%	0.97%	Reduced -8.2k	-8,215 -10.3%
41	ARISTA NETWORKS INC COM SHS ANET	ANET	62,304	$10.6m0.96%	0.96%	Reduced -16.2k	-16,196 -20.6%
42	PORCH GROUP INC COM PRCH	PRCH	693,738	$10.4m0.95%	0.95%	Reduced -145.8k	-145,762 -17.4%
43	QXO INC COM NEW QXO	QXO	598,900	$10.3m0.94%	0.94%	Added +16.4k	+16,400 2.8%
44	XOMETRY INC CLASS A COM XMTR	XMTR	102,650	$9.9m0.90%	0.90%	Unchanged
45	SIRIUSPOINT LTD COM SPNT	SPNT	397,350	$9.5m0.87%	0.87%	Unchanged
46	THREDUP INC CL A TDUP	TDUP	1,154,000	$7.9m0.72%	0.72%	Reduced -300.5k	-300,500 -20.7%
47	EMBRAER S.A. SPONSORED ADS EMBJ	EMBJ	122,161	$7.8m0.71%	0.71%	Unchanged
48	FABRINET SHS FN	FN	12,900	$7.3m0.66%	0.66%	Unchanged
49	NETFLIX INC COM NFLX	NFLX	101,000	$7.2m0.65%	0.65%	Unchanged
50	KRATOS DEFENSE & SEC SOLUTIO COM NEW KTOS	KTOS	143,026	$7.1m0.65%	0.65%	Reduced -12.0k	-12,000 -7.7%
51	HUT 8 CORP COM HUT	HUT	60,738	$7.0m0.64%	0.64%	Reduced -84.9k	-84,909 -58.3%
52	TALEN ENERGY CORP COM TLN	TLN	17,650	$6.8m0.62%	0.62%	New
53	FORGENT POWER SOLUTIONS INC COM SHS CL A FPS	FPS	109,268	$6.1m0.55%	0.55%	New
54	RHYTHM PHARMACEUTICALS INC COM RYTM	RYTM	42,100	$4.7m0.42%	0.42%	New
55	LUXEXPERIENCE BV ADS LUXE	LUXE	590,000	$4.4m0.40%	0.40%	Unchanged
56	SNOWFLAKE INC CL A SNOW	SNOW	14,500	$3.7m0.33%	0.33%	Reduced -25.1k	-25,100 -63.4%
57	BORR DRILLING LTD SHS BORR	BORR	877,000	$3.6m0.33%	0.33%	New
58	QUANTINUUM INC CL A COM QNT	QNT	41,000	$3.4m0.30%	0.30%	New
59	C3 AI INC CL A AI	AI	362,450	$3.3m0.30%	0.30%	Added +43.5k	+43,500 13.6%
60	BBB FOODS INC CL A COM TBBB	TBBB	64,100	$2.7m0.24%	0.24%	New
61	TAMBORAN RES CORP COM TBN	TBN	80,500	$2.6m0.24%	0.24%	New
62	OLD NATL BANCORP IND COM ONB	ONB	100,000	$2.6m0.23%	0.23%	Unchanged
63	APPLIED AEROSPACE & DEFENSE COMMON STOCK AADX	AADX	110,500	$2.5m0.23%	0.23%	New
64	GENERAL MLS INC COM GIS	GIS	71,000	$2.5m0.22%	0.22%	New
65	VIAVI SOLUTIONS INC COM VIAV	VIAV	38,924	$1.9m0.17%	0.17%	New
66	D-WAVE QUANTUM INC COM QBTS	QBTS	54,800	$1.3m0.12%	0.12%	New
67	DATADOG INC CL A COM DDOG	DDOG	4,500	$1.2m0.11%	0.11%	New
68	DPC HOLDINGS PLC ORDINARY SHARES DPC	DPC	5,330	$261.5k0.02%	0.02%	New
69	DUOLINGO INC CL A COM DUOL	DUOL	1,500	$172.5k0.02%	0.02%	New
70	STEM INC COM NEW STEM	STEM	8,302	$64.8k0.01%	0.01%	Unchanged

Sold out since Q1 2026

Security	Ticker	Shares held before	Value then
SYNOPSYS INC SNPS	SNPS	14,479	$5.7m14.5k shares
LAS VEGAS SANDS CORP LVS	LVS	97,500	$5.3m97.5k shares
VISTRA CORP VST	VST	29,000	$4.4m29.0k shares
ALLIENT INC ALNT	ALNT	47,000	$2.8m47.0k shares
KLAVIYO INC KVYO	KVYO	129,200	$2.5m129.2k shares
VANECK ETF TRUST OIH	OIH	5,700	$2.3m5.7k shares
ROOT INC ROOT	ROOT	27,000	$1.2m27.0k shares
SPDR SER TR XHB	XHB	10,200	$1.0m10.2k shares
BIT DIGITAL INC BTBT	BTBT	253,000	$331.4k253.0k shares
B2GOLD CORP BTG	BTG	45,800	$207.5k45.8k shares