ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

CIK 0001164508 · Q2 2026

13F Equity AUM

$225.4B

+22.0% QoQ

Positions

1,873

+73 QoQ

AUM Rank

#56

Top 0.6%

Skill Alpha (FF)

+1.4%/yr^ns

No Clear Edge

Rank #1,675 · Top 20%

vs S&P +0.9%/yr (unadj.)

Quarters Tracked

~10 years

Portfolio Concentration

Top 5: 18.1%Top 10: 27.7%Top 20: 36.1%

MSFT4.6%

AMZN4.3%

AAPL3.8%

NVDA3.1%

GOOGL2.4%

LRCX2.4%

GOOG2.3%

SNDK2.2%

AVGO1.4%

ASML1.3%

Others (1863)72.3%

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

Sector Allocation

Technology37.7%

Healthcare12.5%

Financial Services12.2%

Consumer Cyclical10.3%

Communication Services7.6%

Industrials5.5%

Energy3.9%

Basic Materials3.8%

Other6.6%

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

Position Sizing

Positions: 1873Median: 0.01%Avg: 0.05%

0–0.5%

1840(56.6%)

0.5–1%

21(13.7%)

1–3%

8(14.0%)

3–5%

4(15.8%)

5%+

0(0.0%)

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

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Portfolio Overlap

Shared: 0Unique: 1,873vs 20 funds

0%Low

1,873

Fund positions

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.

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Position Changes This Quarter

New382Increased843Decreased591Exited305

New Positions

KGC0.3%

+29.5M

STM0.1%

+3.5M

TSEM0.1%

+928K

FLEX0.1%

+1.3M

PLD0.1%

+1.1M

DELL0.1%

+379K

WDC0.1%

+183K

EWZ0.1%

+3.6M

GILD0.1%

+960K

CAH0.1%

+518K

Increased

CMCSA0.6%

+39.9M(+323%)

INFY0.1%

+18.3M(+281%)

T0.3%

+12.0M(+64%)

PBR0.3%

+11.6M(+41%)

AAPL3.8%

+10.4M(+54%)

PLTR1.1%

+10.1M(+96%)

NU0.1%

+9.4M(+64%)

BSX0.4%

+9.4M(+68%)

WFC0.4%

+8.5M(+459%)

MDT0.5%

+8.2M(+177%)

Decreased

CDE0.0%

-23,659,559(-85%)

VALE0.2%

-15,998,048(-33%)

B0.6%

-13,040,677(-28%)

CRC0.3%

-13,027,111(-45%)

BVXB0.2%

-10,180,016(-18%)

AVGO1.4%

-10,145,294(-54%)

FCX0.1%

-9,380,069(-83%)

BBD0.1%

-8,790,677(-11%)

FVI0.0%

-8,404,233(-56%)

NEM0.0%

-5,846,225(-93%)

Exited

XOM

-4,516,943

CHV

-1,945,304

COP

-2,310,281

-12,166,588

-2,921,130

-3,371,454

-717,395

-1,858,769

-300,309

-1,969,981

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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