How many stocks does Boston Partners own?

As of Q1 2026, Boston Partners holds 767 positions in their 13F portfolio.

What is Boston Partners's largest holding?

JPM at 2.2% of portfolio, worth $2.1B.

What is Boston Partners's total portfolio value?

$95.5B as of Q1 2026, tracked across 767 holdings.

Is Boston Partners a hedge fund?

Boston Partners 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 Boston Partners report?

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

How has Boston Partners's portfolio changed in Q1 2026?

View Boston Partners's latest portfolio changes, new positions, and exits for Q1 2026 on HoldingsIntel.

What is Boston Partners's investment strategy?

Boston Partners is classified as a Balanced Allocator fund based on HoldingsIntel's Fund DNA analysis of 6 behavioral dimensions.

HoldingsIntel

Boston Partners Holdings Q1 2026 - Portfolio & Conviction Scores | HoldingsIntel

Boston Partners

Institutional investor · Portfolio as of Q1 2026

SEC EDGAR SourceSEC Filings

$95.5B

AUM

767

Positions

Q1 2026

Filing

Rating · 2.0

Quarterly Portfolio Change

Activity profile

$ moved · Q1'26

New14%Increased29%Decreased45%Exited12%

Composition

Equity vs derivatives

Equity100%Puts0%Calls0%

Holding period

Avg 4.2 years

<1Q7%1-4Q13%1-2Y11%2Y+69%

Q1 2026 Summary

Active quarter - 105 new positions, 91 exits, 294 increased. Top move: LPLA (INCREASED, conviction 58). Portfolio: $95.5B across 767 positions.

Portfolio Allocation

Top holdings by portfolio weight

JPM2.17%

USFD1.58%

COR1.48%

MPC1.44%

LPLA1.30%

FANG1.19%

AMZN1.19%

KGC1.16%

MCK1.05%

MCHP1.00%

Other1.00%

Position Outcomes

Best and worst performing positions by estimated return

Top Winners

CLS26Q held

CELESTICA INC

Avg $13.12 · $2.9M est. P&L

Est. P&L

+2633.04%

KLAC30Q held

KLA CORP

Avg $161.81 · $93.8M est. P&L

Est. P&L

+1025.08%

HWM24Q held

HOWMET AEROSPACE INC

Avg $28.71 · $289.6M est. P&L

Est. P&L

+806.85%

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 Holdings767 positions

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Activity:

Stock	Shares	Value	Weight	Price Trend	Avg Buy	Est. P&L	Held	Conviction
JPM JPMORGAN CHASE & CO	7.1M	$2.1B	2.2%	—	$99.83	+198.31%	30 qtrssince 2018-Q4	Decreased 0
USFD US FOODS HLDG CORP	16.4M	$1.5B	1.6%	—	$46.42	+77.48%	22 qtrssince 2020-Q4	Increased 51
COR CENCORA INC	4.5M	$1.4B	1.5%	—	$144.85	+77.92%	30 qtrssince 2018-Q4	Increased 54
MPC MARATHON PETE CORP	5.6M	$1.4B	1.4%	—	$107.47	+135.46%	30 qtrssince 2018-Q4	Decreased 0
LPLA LPL FINL HLDGS INC	4.1M	$1.2B	1.3%	—	$263.72	+13.65%	30 qtrssince 2018-Q4	Increased 58
FANG DIAMONDBACK ENERGY INC	5.8M	$1.1B	1.2%	—	$159.15	+27.91%	30 qtrssince 2018-Q4	Increased 52
AMZN AMAZON COM INC	5.4M	$1.1B	1.2%	—	$222.03	+18.97%	6 qtrssince 2024-Q4	Increased 55
KGC KINROSS GOLD CORP	34.8M	$1.1B	1.2%	—	$8.90	+220.79%	24 qtrssince 2020-Q2	Decreased 0
MCK MCKESSON CORP	1.2M	$1B	1.0%	—	$384.19	+97.39%	30 qtrssince 2018-Q4	Decreased 0
MCHP MICROCHIP TECHNOLOGY INC.	14.7M	$953.4M	1.0%	—	—	—	—	—
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