Byrne Asset Management LLC — 13F Holdings & Portfolio

CIK 1911322 · latest 13F-HR filed 2026-10-06

Byrne Asset Management LLC manages $179.1M in 13F-reported U.S. long-equity assets across 624 reported positions as of its 2026-09-30 13F-HR filing. Its largest disclosed positions are MSFT (5.61%), GOOGL (5.58%), AAPL (5.31%). Quarter over quarter (versus its 2026-06-30 filing) the fund opened 82 new positions and exited 51; 142 existing positions rose in reported value and 263 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

AUM

$179.1M

Long-equity book

Holdings

624

Distinct positions

Period

2026-09-30

Filed 2026-10-06

Q/Q Activity

+82 / −51 / ↑142 / ↓263

vs 2026-06-30

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q3 26

MSFT5.6% · +3%GOOGL5.6% · new AAPL5.3% · +2%NVDA4.5% · +6%AMZN3.2% · +2%JNJ2.8% · -0%AMD2.3% · -25%JPM1.7% · +0%GLW1.6% · +1%META1.6% · +1%CAT1.6% · -1%V1.5% · +3%AMAT1.4% · -15%MU1.4% · +25%RTX1.4% · +1%CSCO1.2% · -5%TOL1.1% · +0%ASML1.0% · +4%TSM0.9% · +3%BRK.B0.9% · +0%XOM0.9% · +12%BLK0.9% · -5%POR0.8% · new IBM0.8% · -6%WBD0.8% · 0%BGT0.8% · +1%FRA0.8% · +2%ERC0.8% · +3%DE0.8% · -9%VVR0.8% · +4%DIS0.8% · -8%FTF0.7% · +1%XBI0.7% · +1%IXUS0.7% · +0%WMT0.7% · -1%FCX0.7% · +4%COP0.7% · +2%HII0.7% · -2%DGX0.7% · -0%AIG0.6% · -0%CXDO0.6% · -1%ORCL0.6% · -0%KKR0.6% · -1%XLK0.6% · -1%QCOM0.6% · -0%GEV0.5% · +1%MA0.5% · +11%GLD0.5% · -6%AXP0.5% · -0%PG0.5% · +1%ABT0.5% · -2%GEHC0.5% · -1%NRG0.5% · -13%RVTY0.5% · -24%JOE0.5% · -4%T0.5% · -1%KRE0.5% · +1%EPR0.5% · +12%CVS0.4% · +0%SNPS0.4% · +10693%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q2 26 → Q3 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 34.2%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

As of the firm’s regulatory filing dated Mar 10, 2026.

Assets Under Management

$268.7M

Discretionary

$268.7M

Employees

Accounts

166

Address

4420 NJ 27
SUITE C 3
KINGSTON, NJ 08528

Phone

(609) 497-1776

Website

WWW.BYRNEASSET.COM

Name	Title / Status	Ownership	Type
BYRNE, BRENDAN, THOMAS Control	MANAGING MEMBER / CHIEF COMPLIANCE OFFICER since Jan 1999	75% or more	Individual

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Top Adds (vs prior quarter)

MICROSOFT CORP$3.0M +42.1%
NVIDIA CORP$1.5M +22.2%
APPLE INC$1.3M +16.5%
SYNOPSYS INC$787.5K +11769.4%
META PLATFORMS INC CLASS A$663.3K +30.5%

Show all 142 →

Top Trims

CORNING INC-$1.7M -36.5%
VANGUARD S&P 500 ETF-$1.6M -69.5%
APPLIED MATLS INC-$1.6M -37.6%
LENNAR CORP CLASS B-$1.1M -98.2%
ADVANCED MICRO DEVICES I-$1.0M -20.3%

Show all 263 →

New Positions

Show all 82 →

Exited Positions

Show all 51 →

Loading…

#	Issuer	Symbol	CUSIP	Value	Δ

Byrne Asset Management LLC Holdings (2026-09-30)

#	Issuer	Symbol	CUSIP	Value	Weight	Shares	Type
1	MICROSOFT CORP	MSFT	594918104	$10.1M	5.61%	19,603	SH
2	ALPHABET INC CLASS A	GOOGL	38259P508	$10.0M	5.58%	29,570	SH
3	APPLE INC	AAPL	037833100	$9.5M	5.31%	28,803	SH
4	NVIDIA CORP	NVDA	67066G104	$8.1M	4.52%	35,052	SH
5	AMAZON.COM INC	AMZN	023135106	$5.8M	3.21%	23,193	SH
6	JOHNSON & JOHNSON	JNJ	478160104	$4.7M	2.62%	18,143	SH
7	ADVANCED MICRO DEVICES I	AMD	007903107	$4.1M	2.29%	6,663	SH
8	JPMORGAN CHASE & CO	JPM	46625H100	$3.0M	1.66%	8,925	SH
9	CORNING INC	GLW	219350105	$2.9M	1.63%	18,233	SH
10	META PLATFORMS INC CLASS A	META	30303M102	$2.8M	1.59%	3,912	SH
11	CATERPILLAR INC	CAT	149123101	$2.8M	1.58%	3,415	SH
12	VISA INC CLASS A	V	92826C839	$2.7M	1.52%	7,544	SH
13	APPLIED MATLS INC	AMAT	038222105	$2.6M	1.45%	4,898	SH
14	MICRON TECHNOLOGY INC	MU	595112103	$2.6M	1.43%	2,341	SH
15	RTX CORP	RTX	59022W596	$2.5M	1.39%	13,495	SH
16	CISCO SYS INC	CSCO	17275R102	$2.1M	1.17%	19,335	SH
17	TOLL BROS INC	TOL	889478103	$2.1M	1.15%	15,067	SH
18	ASML HLDG N V FSPONSORED ADR 1 ADR REPS 1 ORD SHS	ASML	N07059210	$1.8M	1.00%	995	SH
19	TAIWAN SEMICONDUCTOR M FSPONSORED ADR 1 ADR REPS 5 ORD SHS	TSM	874039100	$1.7M	0.94%	3,675	SH
20	BERKSHIRE HATHAWAY CLASS CLASS B	BRK.B	084670702	$1.6M	0.90%	3,221	SH
21	EXXONMOBIL HLDGS CORP	XOM	30231G102	$1.6M	0.89%	9,752	SH
22	BLACKROCK INC NEW	BLK	09247X101	$1.6M	0.87%	1,461	SH
23	GE AEROSPACE	—	369604103	$1.5M	0.84%	4,844	SH
24	IBM CORP	IBM	459200101	$1.5M	0.83%	6,594	SH
25	WARNER BROS DISCOVERY INCLASS SERIES A	WBD	97263M109	$1.5M	0.82%	47,610	SH
26	BLACKROCK FLOATING RATE	BGT	091941104	$1.4M	0.79%	135,730	SH
27	BLACKROCK FLOAT RATE STR	FRA	09255X100	$1.4M	0.79%	134,900	SH
28	ALLSPRING MULTI SECTOR I	ERC	94987D101	$1.4M	0.78%	164,170	SH
29	DEERE & CO	DE	244199105	$1.4M	0.78%	2,083	SH
30	INVESCO SENIOR INCOME TR	VVR	46131H107	$1.4M	0.77%	477,160	SH
31	DISNEY WALT CO	DIS	254687106	$1.4M	0.75%	13,336	SH
32	FRANKLIN LIMITED DURATIO	FTF	35472T101	$1.3M	0.74%	246,840	SH
33	STATE STREET SPDR S&P BIOTECH ETF	XBI	78464A870	$1.3M	0.73%	8,521	SH
34	ISHARES CORE MSCI TOTAL INTERNATIONAL STOCK ETF	IXUS	46432F834	$1.3M	0.72%	13,732	SH
35	WALMART INC	WMT	931142103	$1.3M	0.71%	12,246	SH
36	FREEPORT-MCMORAN INC	FCX	35671D857	$1.3M	0.71%	18,421	SH
37	CONOCOPHILLIPS	COP	20825C104	$1.2M	0.69%	9,797	SH
38	HUNTINGTON INGALLS INDS	HII	446413106	$1.2M	0.66%	4,321	SH
39	QUEST DIAGNOSTICS INC	DGX	74834L100	$1.2M	0.65%	5,073	SH
40	AMERICAN INTL GROUP INC	AIG	026874784	$1.1M	0.61%	14,565	SH
41	EXPAND ENERGY CORP	CXDO	226552107	$1.1M	0.61%	12,697	SH
42	ORACLE CORP	ORCL	68389X105	$1.1M	0.59%	7,613	SH
43	KKR & CO INC	KKR	48248M102	$1.0M	0.57%	11,274	SH
44	STATE STREET TECHNOLOGY SELECT SECTOR SPDR ETF	XLK	81369Y803	$1.0M	0.56%	5,076	SH
45	QUALCOMM INC	QCOM	747525103	$990.4K	0.55%	5,439	SH
46	GE VERNOVA INC	GEV	36828A101	$967.7K	0.54%	980	SH
47	MASTERCARD INC CLASS CLASS A	MA	57636Q104	$949.9K	0.53%	1,727	SH
48	SPDR GOLD SHARES	GLD	78463V107	$925.9K	0.52%	2,419	SH
49	AMERICAN EXPRESS CO	AXP	025816109	$925.0K	0.52%	3,062	SH
50	PROCTER & GAMBLE CO	PG	742718109	$916.7K	0.51%	6,368	SH

Filing History

Period	Filed	AUM	Holdings	Accession
2026-09-30	2026-10-06	$179.1M	624	0001911322-26-000005
2026-06-30	2026-07-07	$185.1M	594	0001911322-26-000003
2026-03-31	2026-04-02	$170.7M	569	0001911322-26-000002
2025-12-31	2026-01-12	$181.1M	567	0001911322-26-000001

Filer Information

Address

4420 ROUTE 27, SUITE 3
PO BOX 573
KINGSTON, NJ 08528

Phone

(609) 497-1776

Filing Manager

Byrne Asset Management LLC

KINGSTON, NJ

Signatory

mike Chen

Portfolio Manager