Stuart Mclaughlin

Net buying

Triple Frond Partners LLC — managed by Stuart Mclaughlin; US equity positions disclosed quarterly via SEC 13F

Data as of 2026-03-31 (filed 2026-05-15) · Source: SEC EDGAR

Portfolio value$962.9M (+0%)

Holdings12

Top holdingAsml Holding N V

Below band1

New

Added

Exited

13F × valuation

Valuation posture

Of 5 valued US positions, 1 trade below a conservative value band (1 in the strike zone) (as of 2026-07-21):

Charter Communications Inc NCHTR56% · strike

13F · concentration

Lonely conviction

Held by ≤2 tracked superinvestors, each ≥3% of this portfolio (as of 2026-03-31):

Ccc Intelligent Solution Holdings IncCCC3% · 2

SEC 13F · latest filing

Holdings

Security	Value	Valuation	Holders	Shares	Weight	Signal
Asml Holding N VASML	$157.1M	—	12	118,917	16.3%	Big new
Microsoft CorpMSFT	$130.5M	—	45	352,504	13.6%	Core 8q
Transdigm Group IncTDG	$123.5M	—	7	106,544	12.8%	Big new
Alphabet IncGOOG	$101.4M	—	37	353,459	10.5%	Core 8q
Amazon.Com IncAMZN	$99.7M	—	39	478,534	10.4%	Core 8q
Mastercard IncMA	$87.7M	—	23	175,472	9.1%	Big new
Meta Platforms IncMETA	$67.3M	—	32	117,628	7.0%	Big new
Transunion ComTRU	$56.6M	—	5	817,828	5.9%	Adding 3q
Illumina Inc ComILMN	$37.8M	—	4	306,460	3.9%	—
Live Nation Entertainment InLYV	$35.8M	—	9	234,765	3.7%	—
Charter Communications Inc NCHTR	$33.2M	Strike zone	10	153,725	3.4%	—
Ccc Intelligent Solution Holdings IncCCC	$32.5M	—	2	5,413,036	3.4%	Adding 5q

Asml Holding N VASMLBig new
Value$157.1MValuation—Holders12Weight16.3%
Microsoft CorpMSFTCore 8q
Value$130.5MValuation—Holders45Weight13.6%
Transdigm Group IncTDGBig new
Value$123.5MValuation—Holders7Weight12.8%
Alphabet IncGOOGCore 8q
Value$101.4MValuation—Holders37Weight10.5%
Amazon.Com IncAMZNCore 8q
Value$99.7MValuation—Holders39Weight10.4%
Mastercard IncMABig new
Value$87.7MValuation—Holders23Weight9.1%
Meta Platforms IncMETABig new
Value$67.3MValuation—Holders32Weight7.0%
Transunion ComTRUAdding 3q
Value$56.6MValuation—Holders5Weight5.9%
Illumina Inc ComILMN—
Value$37.8MValuation—Holders4Weight3.9%
Live Nation Entertainment InLYV—
Value$35.8MValuation—Holders9Weight3.7%
Charter Communications Inc NCHTR—
Value$33.2MValuationStrike zoneHolders10Weight3.4%
Ccc Intelligent Solution Holdings IncCCCAdding 5q
Value$32.5MValuation—Holders2Weight3.4%

Exited this quarter (1)Lam Research Corp

What is a superinvestor

About this investor

Portfolio overview

Triple Frond Partners LLC's most recent 13F filing, for the quarter ended 2026-03-31, reports 12 positions worth $962.9M. The top 5 holdings represent 64% of that value, a concentrated portfolio.

The single largest position is Asml Holding N V at 16.3% of the portfolio, followed by Microsoft Corp at 13.6% and Transdigm Group Inc at 12.8%.

Against the prior quarter, Stuart Mclaughlin opened 1 new position, exited 1, added to 5, and trimmed 2. The largest new buy was Mastercard Inc. The most notable sale was the full exit from Lam Research Corp.

Across all 8 quarters on file, Microsoft Corp has appeared in every filing, as has Transdigm Group Inc. Microsoft Corp currently ranks second by value.

A 13F is filed roughly 45 days after quarter-end and covers only long positions in US-listed equities, so it is a lagging and partial view of the portfolio. Source: SEC EDGAR.

Stuart Mclaughlin holds 1 position now in the strike zone. See the full strike-zone list

Sources· SEC EDGAR 13F as of 2026-03-31 · filed 2026-05-15

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