CenterBook Partners LP
13F filer · CIK 0001872738Reported Aug 11, 2026
Net seller this quarter
13F portfolio value$2.04BU.S. long equity reported on 13F
Positions693276 new · 212 closed
Net flow last quarter-$336MBuys minus sells
Top 10 positions weight18.1%Concentration
Holdings
13F · last 4 quarters freeScroll for earlier quarters
| Company | Value | % of portfolio | % of company | POSITION CHANGE qoq % | First reported |
|---|---|---|---|---|---|
| Q2 2026Reported Aug 11, 2026693 positions | |||||
| $50M | 2.46% | 0.00% | +18.1% | Q4 2021 | |
| $45.8M | 2.25% | 0.00% | -1.5% | Q4 2021 | |
| $42.7M | 2.10% | Not reported | +23.0% | Q4 2021 | |
| $39.1M | 1.92% | 0.00% | -0.2% | Q4 2021 | |
| $35.7M | 1.75% | 0.00% | +19.4% | Q4 2022 | |
| $34.2M | 1.68% | 0.00% | -13.3% | Q2 2022 | |
| $33.3M | 1.64% | 0.01% | +22.9% | Q4 2021 | |
| $30.3M | 1.49% | 0.01% | +163.7% | Q3 2024 | |
| $28.4M | 1.39% | 0.00% | +10.8% | Q4 2021 | |
| $28.1M | 1.38% | Not reported | +14.5% | Q4 2021 | |
| $27.7M | 1.36% | 0.00% | -20.9% | Q2 2022 | |
| $26.3M | 1.29% | 0.00% | Not reported | Q4 2021 | |
| $25.9M | 1.27% | 0.00% | +6.9% | Q4 2021 | |
| $25.4M | 1.25% | 0.01% | +1608.9% | Q4 2021 | |
| $23.4M | 1.15% | 0.10% | +46.7% | Q2 2024 | |
| $22.6M | 1.11% | 0.00% | +2.0% | Q2 2022 | |
| $21.6M | 1.06% | 0.03% | +1593.7% | Q1 2022 | |
| $21.1M | 1.04% | 0.00% | -60.6% | Q1 2022 | |
| $20.7M | 1.01% | Not reported | New | Q2 2026 | |
| $17.5M | 0.86% | 0.00% | +188.4% | Q1 2022 | |
| $15.8M | 0.77% | 0.01% | Not reported | Q3 2025 | |
| $15.7M | 0.77% | 3.06% | +19.4% | Q2 2024 | |
| $14.9M | 0.73% | 0.05% | +64.7% | Q1 2025 | |
| $13.7M | 0.67% | 0.28% | +990.7% | Q3 2025 | |
| $13.6M | 0.67% | 1.08% | New | Q2 2026 | |
| $13.5M | 0.67% | 0.02% | +5093.2% | Q4 2021 | |
| $13.1M | 0.64% | 0.12% | +121.4% | Q2 2024 | |
| $13M | 0.64% | 0.08% | +724.7% | Q4 2024 | |
| $12.4M | 0.61% | 0.08% | +3349.4% | Q4 2024 | |
| $12.4M | 0.61% | 0.94% | -30.6% | Q4 2022 | |
| $11.2M | 0.55% | 0.01% | +683.6% | Q2 2023 | |
| $11.1M | 0.54% | 0.01% | +210.4% | Q4 2021 | |
| $11M | 0.54% | 0.05% | +192.8% | Q3 2024 | |
| $10.8M | 0.53% | 0.05% | +192.6% | Q1 2026 | |
| $10.6M | 0.52% | 0.51% | -30.9% | Q1 2024 | |
| $10.5M | 0.52% | 0.01% | +46.7% | Q3 2024 | |
| $10.3M | 0.51% | 0.02% | +138.7% | Q4 2021 | |
| $10.1M | 0.49% | 0.12% | +204.5% | Q4 2021 | |
| $9.86M | 0.48% | 0.41% | +309.3% | Q4 2025 | |
| $9.86M | 0.48% | 2.06% | +41.0% | Q2 2024 | |
| $9.83M | 0.48% | 0.01% | +15.4% | Q4 2021 | |
| $9.7M | 0.48% | 0.93% | -1.3% | Q2 2024 | |
| $9.66M | 0.47% | 0.02% | +206.1% | Q2 2024 | |
| $9.64M | 0.47% | 0.13% | +68.9% | Q4 2021 | |
| $9.64M | 0.47% | 1.65% | +215.6% | Q2 2023 | |
| $9.42M | 0.46% | 0.82% | -42.7% | Q4 2023 | |
| $9.3M | 0.46% | Not reported | +183.2% | Q1 2025 | |
| $9.11M | 0.45% | 1.66% | +45.7% | Q4 2022 | |
| $9.01M | 0.44% | 2.85% | New | Q2 2026 | |
| $8.95M | 0.44% | 14.76% | +1384.6% | Q3 2022 | |
| Q1 2026Reported May 5, 2026627 positions | |||||
| $38.9M | 2.09% | 0.00% | +7.2% | Q4 2021 | |
| $37.4M | 2.01% | 0.00% | +19.4% | Q4 2021 | |
| $37M | 1.99% | 0.00% | -10.7% | Q4 2021 | |
| $35.3M | 1.90% | Not reported | +9.6% | Q4 2021 | |
| $27.9M | 1.50% | 0.00% | -9.7% | Q2 2022 | |
| $26.9M | 1.45% | 0.00% | +19.6% | Q2 2022 | |
| $26.1M | 1.40% | 0.00% | +13.0% | Q4 2022 | |
| $23.9M | 1.28% | 0.00% | -7.6% | Q4 2021 | |
| $23.5M | 1.26% | Not reported | +1.6% | Q4 2021 | |
| $22.4M | 1.21% | 0.00% | +2.4% | Q4 2021 | |
| $21.5M | 1.16% | 0.01% | +72.0% | Q1 2023 | |
| $19.9M | 1.07% | 0.00% | Not reported | Q2 2022 | |
| $19.8M | 1.07% | 0.00% | Not reported | Q4 2021 | |
| $19.2M | 1.03% | 0.01% | -8.2% | Q3 2024 | |
| $18.7M | 1.01% | 0.01% | -7.7% | Q1 2022 | |
| $15.8M | 0.85% | 0.08% | Not reported | Q1 2022 | |
| $15.3M | 0.82% | 0.01% | +99.7% | Q2 2022 | |
| $15.2M | 0.82% | 1.35% | +67.4% | Q4 2022 | |
| $15.2M | 0.82% | 0.07% | -27.5% | Q2 2024 | |
| $14.9M | 0.80% | 1.12% | +51.8% | Q4 2021 | |
| PPUBMPubMatic, Inc. | $14.3M | 0.77% | Not reported | +51.9% | Q3 2024 |
| $13.9M | 0.75% | 0.00% | +16.3% | Q2 2022 | |
| $13.6M | 0.73% | Not reported | +107.4% | Q1 2025 | |
| $13.5M | 0.72% | Not reported | +721.0% | Q1 2024 | |
| $13.4M | 0.72% | 0.00% | +36.7% | Q1 2022 | |
| $13.2M | 0.71% | 1.42% | +185.0% | Q4 2023 | |
| $13.1M | 0.70% | 0.00% | +177.9% | Q1 2022 | |
| $12.9M | 0.69% | 2.65% | -20.5% | Q2 2024 | |
| $12.3M | 0.66% | 0.00% | +327.0% | Q4 2021 | |
| $12.1M | 0.65% | 0.74% | +203.1% | Q1 2024 | |
| $11.9M | 0.64% | 1.88% | -13.7% | Q3 2025 | |
| $11.9M | 0.64% | 0.63% | Not reported | Q4 2024 | |
| $11.3M | 0.61% | 0.09% | -2.0% | Q4 2025 | |
| $10.9M | 0.58% | 2.89% | +278.5% | Q3 2023 | |
| $10.6M | 0.57% | 2.57% | +8.8% | Q2 2024 | |
| $10.2M | 0.55% | 0.02% | Not reported | Q4 2021 | |
| $9.77M | 0.52% | 1.64% | -32.2% | Q3 2024 | |
| $9.58M | 0.51% | 0.00% | -11.5% | Q3 2022 | |
| $9.5M | 0.51% | 0.23% | +315.0% | Q4 2025 | |
| $9.46M | 0.51% | 1.33% | +265.9% | Q4 2024 | |
| $9.37M | 0.50% | 0.04% | +900.8% | Q4 2022 | |
| $9.31M | 0.50% | 0.99% | -17.9% | Q3 2024 | |
| $8.93M | 0.48% | 0.03% | +454.5% | Q2 2024 | |
| $8.67M | 0.47% | 0.01% | +50.4% | Q4 2021 | |
| $8.49M | 0.46% | 0.01% | -55.3% | Q4 2021 | |
| $8.49M | 0.46% | 0.07% | +198.2% | Q4 2021 | |
| $8.29M | 0.45% | Not reported | -58.8% | Q1 2022 | |
| $8.26M | 0.44% | 0.76% | +0.4% | Q1 2025 | |
| $8.26M | 0.44% | 0.76% | +26.9% | Q1 2024 | |
| $8.19M | 0.44% | 0.03% | Not reported | Q1 2025 | |
| Q4 2025Reported Feb 11, 2026538 positions | |||||
| $47.3M | 2.31% | 0.00% | +56.8% | Q4 2021 | |
| $45.9M | 2.24% | 0.00% | +8.6% | Q4 2021 | |
| $37.2M | 1.82% | Not reported | +17.1% | Q4 2021 | |
| $34.1M | 1.67% | 0.00% | -17.6% | Q4 2021 | |
| $30M | 1.47% | 0.00% | -14.0% | Q4 2021 | |
| $27.8M | 1.36% | 0.00% | -0.3% | Q2 2022 | |
| $26.3M | 1.29% | 0.00% | Not reported | Q2 2022 | |
| $24.7M | 1.21% | 0.00% | +4.1% | Q4 2022 | |
| $24.3M | 1.19% | Not reported | +2.2% | Q4 2021 | |
| $24M | 1.17% | 0.00% | Not reported | Q4 2021 | |
| $23.6M | 1.15% | 0.01% | +35.4% | Q3 2024 | |
| $23.5M | 1.15% | 0.00% | -1.7% | Q4 2021 | |
| $23.3M | 1.14% | 0.03% | -47.1% | Q2 2024 | |
| $22.5M | 1.10% | 0.10% | +27.3% | Q2 2024 | |
| $22.4M | 1.10% | 0.01% | +39.6% | Q3 2024 | |
| $22.1M | 1.08% | 0.01% | -11.3% | Q3 2024 | |
| $21.9M | 1.07% | 0.01% | +3.6% | Q4 2021 | |
| $21.6M | 1.05% | 0.01% | +115.4% | Q4 2021 | |
| $21.4M | 1.04% | 0.01% | -50.6% | Q1 2022 | |
| $18.3M | 0.90% | Not reported | Not reported | Q4 2022 | |
| $16.8M | 0.82% | 2.36% | -12.6% | Q2 2024 | |
| $16.4M | 0.80% | Not reported | -14.2% | Q1 2022 | |
| $15.8M | 0.77% | 2.22% | +406.7% | Q3 2025 | |
| $15.7M | 0.77% | 3.33% | +828.7% | Q2 2024 | |
| $15.3M | 0.75% | 0.00% | +892.6% | Q2 2022 | |
| $14.8M | 0.73% | 0.69% | +36.2% | Q4 2021 | |
| $14.8M | 0.72% | 2.82% | +153.7% | Q4 2024 | |
| $13.3M | 0.65% | 0.09% | +147.3% | Q2 2024 | |
| $13M | 0.63% | 1.20% | +254.5% | Q3 2024 | |
| $12.9M | 0.63% | 2.42% | +74.7% | Q3 2024 | |
| $12.8M | 0.63% | 0.81% | +66.1% | Q4 2022 | |
| $12.7M | 0.62% | 1.75% | +110.1% | Q2 2024 | |
| $12.4M | 0.61% | 4.50% | +688.1% | Q1 2024 | |
| $12.2M | 0.60% | 0.09% | New | Q4 2025 | |
| $11.8M | 0.58% | 0.01% | -54.6% | Q4 2021 | |
| $11.1M | 0.54% | 0.00% | +15.0% | Q3 2023 | |
| $10.9M | 0.53% | 0.84% | +99.3% | Q4 2023 | |
| $10.8M | 0.53% | 3.06% | +12.0% | Q2 2025 | |
| $10.7M | 0.52% | 0.00% | Not reported | Q3 2022 | |
| $10.7M | 0.52% | 0.25% | +39.9% | Q2 2025 | |
| $10.6M | 0.52% | 0.42% | -40.5% | Q1 2025 | |
| $10.6M | 0.52% | 0.21% | +252.7% | Q2 2022 | |
| $10.3M | 0.50% | 0.29% | Not reported | Q2 2025 | |
| $10.2M | 0.50% | 0.00% | Not reported | Q1 2022 | |
| PPUBMPubMatic, Inc. | $10.2M | 0.50% | Not reported | +53.3% | Q3 2024 |
| $10.2M | 0.50% | 0.43% | +348.0% | Q3 2025 | |
| $9.7M | 0.47% | 0.00% | -34.1% | Q2 2022 | |
| $9.4M | 0.46% | 0.00% | Not reported | Q1 2023 | |
| $9.35M | 0.46% | 2.68% | New | Q4 2025 | |
| $9.17M | 0.45% | 1.08% | +19.3% | Q1 2024 | |
| Q3 2025Reported Nov 7, 2025540 positions | |||||
| $40.2M | 1.99% | 0.00% | +11.0% | Q4 2021 | |
| $35.3M | 1.75% | Not reported | +26.3% | Q4 2021 | |
| $34M | 1.68% | 0.01% | -0.2% | Q4 2021 | |
| $32.7M | 1.61% | 0.01% | +632.7% | Q1 2022 | |
| $32.3M | 1.60% | 0.00% | -17.4% | Q4 2021 | |
| $32.2M | 1.59% | 0.06% | +10.9% | Q2 2024 | |
| $32.1M | 1.59% | 0.00% | -29.3% | Q4 2021 | |
| $27M | 1.33% | 0.01% | +47.2% | Q4 2021 | |
| $26.3M | 1.30% | 0.02% | +5211.2% | Q3 2024 | |
| $26.3M | 1.30% | 0.02% | -12.6% | Q4 2021 | |
| $25.6M | 1.27% | 0.00% | +3.2% | Q2 2022 | |
| $25M | 1.24% | 0.03% | +1149.4% | Q4 2023 | |
| $23.8M | 1.18% | Not reported | -33.4% | Q4 2021 | |
| $23.7M | 1.17% | 0.00% | +13.0% | Q4 2022 | |
| $22.4M | 1.11% | 0.00% | -28.0% | Q4 2021 | |
| $19.4M | 0.96% | 0.00% | +1178.3% | Q1 2022 | |
| $19M | 0.94% | 2.70% | -10.4% | Q2 2024 | |
| $18.3M | 0.90% | 0.08% | -14.1% | Q2 2024 | |
| $16.6M | 0.82% | Not reported | +513.1% | Q1 2022 | |
| $16.6M | 0.82% | 0.09% | +541.5% | Q3 2024 | |
| $16.6M | 0.82% | 0.01% | +420.1% | Q4 2021 | |
| $16.5M | 0.82% | 0.45% | New | Q3 2025 | |
| $16.4M | 0.81% | 0.01% | +388.6% | Q3 2024 | |
| $15.9M | 0.79% | 0.51% | +52.0% | Q1 2024 | |
| $15.3M | 0.75% | 0.71% | +166.1% | Q1 2025 | |
| $14.7M | 0.73% | 0.01% | +462.1% | Q3 2024 | |
| $14M | 0.69% | 2.59% | +102.1% | Q1 2025 | |
| $13.3M | 0.66% | 0.00% | +65.5% | Q2 2022 | |
| $13.2M | 0.65% | 0.01% | -46.9% | Q2 2022 | |
| $12.9M | 0.64% | 0.25% | -58.5% | Q4 2021 | |
| $12.7M | 0.63% | 0.01% | +283.6% | Q4 2021 | |
| $12.1M | 0.60% | 0.18% | +2615.8% | Q4 2022 | |
| $12M | 0.59% | 0.01% | -16.8% | Q4 2021 | |
| $12M | 0.59% | 0.24% | +98.4% | Q4 2021 | |
| $11.8M | 0.58% | 2.76% | +492.4% | Q1 2025 | |
| $11.2M | 0.55% | 0.77% | +207.9% | Q4 2023 | |
| $11M | 0.54% | 0.56% | -56.1% | Q1 2025 | |
| $11M | 0.54% | 1.43% | -18.1% | Q3 2024 | |
| $10.8M | 0.53% | Not reported | New | Q3 2025 | |
| $10.6M | 0.52% | 0.00% | +391.2% | Q1 2022 | |
| $10.5M | 0.52% | 0.49% | -3.1% | Q4 2022 | |
| $10.5M | 0.52% | 2.00% | +1.4% | Q1 2025 | |
| $10.2M | 0.50% | 0.38% | +1.5% | Q1 2023 | |
| $9.44M | 0.47% | 2.77% | +277.8% | Q2 2025 | |
| $9.25M | 0.46% | 0.00% | New | Q3 2025 | |
| $9.13M | 0.45% | 0.77% | -41.3% | Q1 2024 | |
| $9.13M | 0.45% | 0.49% | +272.7% | Q4 2021 | |
| $8.93M | 0.44% | 0.04% | +195.3% | Q4 2022 | |
| ATAKROAkero Therapeutics, Inc. | $8.81M | 0.44% | 0.23% | New | Q3 2025 |
| $8.8M | 0.43% | Not reported | +1069.9% | Q2 2025 | |
Premium opens every quarter this fund has filed