SEC 13F Intelligence

Managers / Q1 2026

CenterBook Partners LP

CIK 0001872738 · 55 RAILROAD AVENUE, SUITE 302, GREENWICH, CT, 06830 · 203-485-5280

Reported Value
$1.9B
Q1 2026
Positions
628
Filings on Record
18
2019–present window
Filed
May 5, 2026
original filing

Summary

Centerbook Partners Lp reported $1.9B in U.S.-listed holdings across 628 positions for Q1 2026.

Its largest position, MSFT, represents 2.1% of the portfolio.

Compared with Q4 2025, the fund opened 272 new positions and exited 185.

Reported Value by Quarter

13F Reported Value
Q4 ’21: $170MQ4 ’21Q1 ’22: $281MQ2 ’22: $467MQ3 ’22: $518MQ3 ’22Q4 ’22: $607.1BQ1 ’23: $707MQ2 ’23: $800MQ2 ’23Q3 ’23: $802MQ4 ’23: $820MQ1 ’24: $1.4BQ1 ’24Q2 ’24: $1.6BQ3 ’24: $1.6BQ4 ’24: $1.7BQ4 ’24Q1 ’25: $1.6BQ2 ’25: $1.8BQ3 ’25: $2.0BQ3 ’25Q4 ’25: $2.0BQ1 ’26: $1.9Bfilingsflow.com

Portfolio Composition

By security type

Composition data arrives with ticker enrichment.

Quarter-over-Quarter Changes full breakdown →

Holdings — Q1 2026

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Filing History

QuarterReported ValuePositionsFiledTypeLinks
Q1 2026$1.9B628May 5, 202613F-HRchanges · EDGAR ↗
Q4 2025$2.0B541Feb 11, 202613F-HRchanges · EDGAR ↗
Q3 2025$2.0B544Nov 7, 202513F-HRchanges · EDGAR ↗
Q2 2025$1.8B493Aug 12, 202513F-HRchanges · EDGAR ↗
Q1 2025$1.6B466May 9, 202513F-HRchanges · EDGAR ↗
Q4 2024$1.7B466Feb 13, 202513F-HRchanges · EDGAR ↗
Q3 2024$1.6B441Nov 14, 202413F-HRchanges · EDGAR ↗
Q2 2024$1.6B388Aug 12, 202413F-HRchanges · EDGAR ↗
Q1 2024$1.4B373May 10, 202413F-HRchanges · EDGAR ↗
Q4 2023$820M378Feb 13, 202413F-HRchanges · EDGAR ↗
Q3 2023$802M413Nov 13, 202313F-HRchanges · EDGAR ↗
Q2 2023$800M403Aug 14, 202313F-HRchanges · EDGAR ↗
Q1 2023$707M380May 15, 202313F-HRchanges · EDGAR ↗
Q4 2022$607.1B370Feb 13, 202313F-HRchanges · EDGAR ↗
Q3 2022$518M387Nov 14, 202213F-HRchanges · EDGAR ↗
Q2 2022$467M378Aug 15, 202213F-HRchanges · EDGAR ↗
Q1 2022$281M339May 16, 202213F-HRchanges · EDGAR ↗
Q4 2021$170M279Feb 11, 202213F-HRchanges · EDGAR ↗

13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.