How many stocks does Grantham, Mayo, Van Otterloo & Co. LLC own?

As of Q1 2026, Grantham, Mayo, Van Otterloo & Co. LLC holds 628 positions in their 13F portfolio.

What is Grantham, Mayo, Van Otterloo & Co. LLC's largest holding?

MSFT at 5.8% of portfolio, worth $2.3B.

What is Grantham, Mayo, Van Otterloo & Co. LLC's total portfolio value?

$39.1B as of Q1 2026, tracked across 628 holdings.

Is Grantham, Mayo, Van Otterloo & Co. LLC a hedge fund?

Grantham, Mayo, Van Otterloo & Co. LLC is an institutional investment manager required to file SEC 13F reports. This includes hedge funds, mutual funds, pension funds, and other institutions managing over $100M.

How often does Grantham, Mayo, Van Otterloo & Co. LLC report?

13F filings are due quarterly, approximately 45 days after each quarter end.

How has Grantham, Mayo, Van Otterloo & Co. LLC's portfolio changed in Q1 2026?

View Grantham, Mayo, Van Otterloo & Co. LLC's latest portfolio changes, new positions, and exits for Q1 2026 on HoldingsIntel.

What is Grantham, Mayo, Van Otterloo & Co. LLC's investment strategy?

Grantham, Mayo, Van Otterloo & Co. LLC is classified as a Balanced Allocator fund based on HoldingsIntel's Fund DNA analysis of 6 behavioral dimensions.

HoldingsIntel

Grantham, Mayo, Van Otterloo & Holdings Q1 2026 - Portfolio & Conviction Scores | HoldingsIntel

Grantham, Mayo, Van Otterloo & Co. LLC

Institutional investor · Portfolio as of Q1 2026

SEC EDGAR SourceSEC Filings

$39.1B

AUM

628

Positions

Q1 2026

Filing

Rating · 3.0

Quarterly Portfolio Change

Activity profile

$ moved · Q1'26

New9%Increased56%Decreased30%Exited5%

Composition

Equity vs derivatives

Equity100%Puts0%Calls0%

Holding period

Avg 4.5 years

<1Q6%1-4Q11%1-2Y7%2Y+75%

Q1 2026 Summary

Active quarter - 84 new positions, 109 exits, 295 increased. Top move: MSFT (INCREASED, conviction 72). Portfolio: $39.1B across 628 positions.

Portfolio Allocation

Top holdings by portfolio weight

MSFT5.85%

GOOGL5.08%

JNJ4.55%

AAPL4.50%

META4.50%

LRCX3.77%

AMZN3.32%

TMO3.15%

AVGO2.65%

USB2.54%

Other2.51%

Position Outcomes

Best and worst performing positions by estimated return

Top Winners

LRCX27Q held

LAM RESEARCH CORP

Avg $73.37 · $1.5B est. P&L

Est. P&L

+288.08%

EFXT5Q held

ENERFLEX LTD

Avg $7.64 · $5.2M est. P&L

Est. P&L

+264.79%

PBR/A21Q held

PETROLEO BRASILEIRO S A

Avg $5.15 · $9.2M est. P&L

Est. P&L

+260.80%

Top Losers

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View plans

Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.

Top Holdings628 positions

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Activity:

Stock	Shares	Value	Weight	Price Trend	Avg Buy	Est. P&L	Held	Conviction
MSFT MICROSOFT CORP	6.2M	$2.3B	5.8%	—	$282.57	+51.21%	30 qtrssince 2018-Q4	Increased 72
GOOGL ALPHABET INC	6.9M	$2B	5.1%	—	$125.80	+215.61%	30 qtrssince 2018-Q4	Increased 64
JNJ JOHNSON & JOHNSON	7.3M	$1.8B	4.6%	—	$143.26	+59.26%	30 qtrssince 2018-Q4	Increased 60
AAPL APPLE INC	6.9M	$1.8B	4.5%	—	$163.77	+83.32%	30 qtrssince 2018-Q4	Increased 61
META META PLATFORMS INC	3.1M	$1.8B	4.5%	—	$371.05	+66.77%	30 qtrssince 2018-Q4	Increased 62
LRCX LAM RESEARCH CORP	6.9M	$1.5B	3.8%	—	$73.37	+288.08%	27 qtrssince 2019-Q3	Decreased 0
AMZN AMAZON COM INC	6.2M	$1.3B	3.3%	—	$164.43	+60.64%	30 qtrssince 2018-Q4	Decreased 0
TMO THERMO FISHER SCIENTIFIC INC	2.5M	$1.2B	3.1%	—	$504.28	-12.41%	8 qtrssince 2024-Q2	Increased 61
AVGO BROADCOM INC	3.3M	$1B	2.7%	—	$231.57	+84.68%	21 qtrssince 2021-Q1	Increased 59
USB US BANCORP	19.1M	$994.1M	2.5%	—	$38.45	+36.38%	30 qtrssince 2018-Q4	Increased 57
Showing 10 of 628 results.618 more with Pro.PROUpgrade to see all →