CenterBook Partners LP

CIK 0001872738 · Q2 2026

13F Equity AUM

$2.0B

+9.4% QoQ

Positions

693

+65 QoQ

AUM Rank

#2,313

Top 18%

Skill Alpha (FF)

-0.4%/yr^ns

No Clear Edge

Rank #2,894 · Top 35%

vs S&P -2.2%/yr (unadj.)

Quarters Tracked

~4 years

Portfolio Concentration

Top 5: 10.5%Top 10: 18.1%Top 20: 29.5%

AMZN2.5%

GOOGL2.3%

META2.1%

MSFT1.9%

NVDA1.8%

TSM1.7%

V1.6%

TXN1.5%

AAPL1.4%

BRK/B1.4%

Others (683)81.9%

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

Sector Allocation

Technology28.3%

Healthcare13.7%

Industrials11.7%

Financial Services9.7%

Communication Services9.5%

Consumer Cyclical8.8%

Energy5.4%

Basic Materials4.3%

Other8.6%

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

Position Sizing

Positions: 693Median: 0.05%Avg: 0.14%

0–0.5%

656(60.0%)

0.5–1%

18(11.4%)

1–3%

19(28.6%)

3–5%

0(0.0%)

5%+

0(0.0%)

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

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Portfolio Overlap

Shared: 0Unique: 693vs 20 funds

0%Low

693

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

New282Increased171Decreased240Exited217

New Positions

MA1.3%

+51K

SPACE EXPLORATION TE…1.0%

+121K

PLTR0.8%

+135K

TDAY0.7%

+1.6M

LODE0.4%

+2.2M

PRIM0.4%

+86K

LPZB0.4%

+479K

CELH0.4%

+253K

ON0.3%

+71K

SOLV ENERGY INC0.3%

+189K

Increased

GSM0.4%

+1.6M(+174%)

GENI0.4%

+1.4M(+1385%)

AZ0.3%

+1.0M(+2273%)

AMPL0.3%

+730K(+1785%)

AIOT0.8%

+666K(+19%)

FIP0.5%

+616K(+46%)

METC0.5%

+498K(+216%)

WEAV0.5%

+479K(+41%)

NU0.5%

+450K(+183%)

KOS0.1%

+423K(+47%)

Decreased

SHLS0.2%

-1,647,095(-79%)

PUBM0.3%

-1,328,117(-76%)

URE0.0%

-1,064,718(-67%)

XERS0.1%

-968,056(-78%)

PACK0.3%

-932,131(-52%)

ENVX0.6%

-899,048(-31%)

FEY0.2%

-878,350(-89%)

ARHS0.5%

-831,827(-43%)

SMWB0.2%

-725,376(-55%)

PGNY0.2%

-707,348(-81%)

Exited

-40,699

-1,236,256

-96,322

-299,439

-549,361

-351,162

YORK SPACE SYSTEMS I…

-288,474

-45,298

LEG

-595,325

TSLA

-14,803

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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