ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

CIK 0001164508 · Q1 2026

13F Equity AUM

$184.8B

+8.2% QoQ

Positions

1,800

+2 QoQ

AUM Rank

#94

Top 0.8%

Skill Alpha (FF)

+1.0%/yr^ns

No Clear Edge

Rank #1,576 · Top 19%

vs S&P -1.4%/yr (unadj.)

Quarters Tracked

~10 years

Portfolio Concentration

Top 5: 17.3%Top 10: 26.2%Top 20: 35.1%

MSFT4.9%

AMZN3.7%

AVGO3.1%

NVDA3.0%

AAPL2.7%

GOOGL2.6%

GOOG2.3%

LRCX1.5%

CRM1.3%

ASML1.2%

Others (1790)73.8%

HHI (Herfindahl-Hirschman Index) measures portfolio concentration. Low (<1500) = diversified, Moderate (1500-2500), High (>2500) = concentrated bets.

Sector Allocation

Technology33.6%

Healthcare10.9%

Consumer Cyclical10.6%

Financial Services8.7%

Basic Materials8.1%

Communication Services7.6%

Energy7.4%

Industrials6.4%

Other6.9%

Portfolio weight by GICS sector based on latest 13F filing. Sectors below 2% are grouped as “Other.”

Position Sizing

Positions: 1800Median: 0.01%Avg: 0.06%

0–0.5%

1768(57.6%)

0.5–1%

21(15.2%)

1–3%

7(12.6%)

3–5%

4(14.7%)

5%+

0(0.0%)

Count of positions per weight bucket — (%) = combined portfolio weight

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Portfolio Overlap

Shared: 1,787Unique: 13vs 20 funds

24.4%Moderate

1,800

Fund positions

7,299

Consensus CUSIPs

Jaccard similarity of this fund’s portfolio vs the consensus of top 20 funds by AUM. Low (<15%) = contrarian, Moderate (15-40%), High (>40%) = follows the crowd.

Most Similar Funds

Top 9 benchmark funds with highest portfolio overlap (Jaccard similarity)

MORGAN STANLEY

31.6%

BlackRock, Inc.

41.4%

GEODE CAPITAL MANAGEMENT, LLC

45.1%

VANGUARD CAPITAL MANAGEMENT LLC

45.1%

STATE STREET CORP

43.9%

BANK OF AMERICA CORP /DE/

31.5%

JPMORGAN CHASE & CO

28.4%

VANGUARD PORTFOLIO MANAGEMENT LLC

46.3%

FMR LLC

36.2%

Jaccard similarity per fund: shared CUSIPs / (fund A + fund B − shared). Higher values indicate more similar portfolios.

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Position Changes This Quarter

New331Increased737Decreased672Exited329

New Positions

CRC0.8%

+29.0M

AZN0.5%

+4.7M

XOM0.4%

+4.5M

SHEL0.4%

+7.2M

PBR0.3%

+28.6M

CHV0.2%

+1.9M

TTE0.2%

+4.1M

PJX0.2%

+19.4M

NVO0.2%

+7.8M

DT0.1%

+5.2M

Increased

BTE0.1%

+19.6M(+816%)

SU0.9%

+14.3M(+121%)

CDE0.3%

+13.4M(+92%)

EQNR0.3%

+11.1M(+599%)

AVGO3.1%

+10.1M(+118%)

MSFT4.9%

+9.5M(+64%)

GOOGL2.6%

+8.1M(+91%)

AMZN3.7%

+7.9M(+32%)

PLTR0.8%

+7.7M(+277%)

CRM1.3%

+7.2M(+130%)

Decreased

NU0.1%

-13,507,693(-48%)

ADT0.0%

-11,037,891(-80%)

NFLX0.0%

-10,786,044(-95%)

LYG0.0%

-9,452,208(-58%)

BTO0.0%

-8,788,029(-84%)

FCX0.4%

-8,731,138(-44%)

BMY0.3%

-8,317,781(-48%)

BVXB0.3%

-8,043,686(-13%)

MRK0.2%

-7,007,793(-70%)

BCE0.1%

-6,685,316(-47%)

Exited

-4,492,860

-5,547,597

-1,127,162

-199,058

-29,274,513

-3,062,579

-1,625,492

-610,925

-1,100,812

-372,698

Quarter-over-quarter changes compared to prior 13F filing. New = first appearance; Exited = no longer held.

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Holdings

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