CenterBook Partners LP
In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 11, 2026), CenterBook Partners LP reported 693 stock positions worth $2.0 billion. Its top holding was Amazon.com (AMZN) at 2.5% of the portfolio, followed by Alphabet Class A (GOOGL, 2.2%) and Meta Platforms Class A (META, 2.1%). Compared with Q1 2026, it opened 276 new positions, sold out of 213, added to 173 and reduced 244. The biggest buy was a new position in Mastercard Class A (MA) and the biggest sale Amphenol Class A (APH, shares −97%).
- Most Recent 13F
- Q2 2026
- Location
- GREENWICH, CT
- CIK
- 0001872738
- Portfolio Value
- $2.0B (Q2 2026)
- SEC Filing
- 0001872738-26-000010 ↗ filed Aug 11, 2026
Holdings Value
Holdings 693 stocks · $2.0B
| AMZN Amazon.com Inc. | 2.46% | 209,763 | $50.0M | Add +18.1% |
| GOOGL Alphabet Inc. Class A | 2.25% | 128,118 | $45.8M | Reduce -1.5% |
| META Meta Platforms Inc. Class A | 2.10% | 75,888 | $42.7M | Add +23.0% |
| MSFT Microsoft Corp. | 1.92% | 104,729 | $39.1M | Reduce -0.2% |
| NVDA Nvidia Corp. | 1.75% | 178,482 | $35.7M | Add +19.4% |
| TSM Taiwan Semiconductor-SP ADR | 1.68% | 71,595 | $34.2M | Reduce -13.3% |
| V Visa Inc. Class A | 1.64% | 97,160 | $33.3M | Add +22.9% |
| TXN Texas Instruments Inc. | 1.49% | 101,724 | $30.3M | Add +163.7% |
| AAPL Apple Inc. | 1.39% | 98,050 | $28.4M | Add +10.8% |
| BRK.B Berkshire Hathaway Inc. Class B | 1.38% | 56,229 | $28.1M | Add +14.5% |
| LLY Eli Lilly & Co. | 1.36% | 23,135 | $27.7M | Reduce -20.9% |
| MA Mastercard Inc. Class A | 1.29% | 51,161 | $26.3M | New |
| AVGO Broadcom Inc. | 1.27% | 68,476 | $25.9M | Add +6.9% |
| NFLX Netflix Inc. | 1.25% | 355,147 | $25.4M | Add +1608.9% |
| BNTX Biontech SE-ADR | 1.15% | 251,083 | $23.4M | Add +46.7% |
| JPM JPMorgan Chase & Co. | 1.11% | 68,940 | $22.6M | Add +2.0% |
| LITE Lumentum Holdings Inc. | 1.06% | 25,152 | $21.6M | Add +1593.7% |
| AMD Advanced Micro Devices | 1.04% | 36,321 | $21.1M | Reduce -60.6% |
| SPCX Space Exploration Techn Class A | 1.01% | 120,871 | $20.7M | New |
| MU Micron Technology Inc. | 0.86% | 15,198 | $17.5M | Add +188.4% |
| PLTR Palantir Technologies Inc. Class A | 0.77% | 135,093 | $15.8M | New |
| AIOT Powerfleet Inc. | 0.77% | 4,107,647 | $15.7M | Add +19.4% |
| FTAI Ftai Aviation Ltd. | 0.73% | 55,079 | $14.9M | Add +64.7% |
| ECHO Echostar Corp. Class A | 0.67% | 135,076 | $13.7M | Add +990.7% |
| TDAY USA Today Co. Inc. | 0.67% | 1,589,163 | $13.6M | New |
| ROST Ross Stores Inc. | 0.67% | 63,617 | $13.5M | Add +5093.2% |
| LEGN Legend Biotech Corp.-ADR | 0.64% | 452,907 | $13.1M | Add +121.4% |
| DOCN Digitalocean Holdings Inc. | 0.64% | 82,597 | $13.0M | Add +724.6% |
| AEIS Advanced Energy Industries | 0.61% | 33,252 | $12.4M | Add +3349.4% |
| ENVX Enovix Corp. | 0.61% | 2,041,919 | $12.4M | Reduce -30.6% |
| ADI Analog Devices Inc. | 0.55% | 28,257 | $11.2M | Add +683.6% |
| PFE Pfizer Inc. | 0.54% | 459,030 | $11.1M | Add +210.4% |
| INSM Insmed Inc. | 0.54% | 103,151 | $11.0M | Add +192.8% |
| FN Fabrinet | 0.53% | 19,220 | $10.8M | Add +192.6% |
| AESI Atlas Energy Solutions Inc. | 0.52% | 639,169 | $10.6M | Reduce -30.9% |
| TJX TJX Companies Inc. filed as TJX COS INC NEW | 0.52% | 69,372 | $10.5M | Add +46.7% |
| MCHP Microchip Technology Inc. | 0.51% | 113,396 | $10.3M | Add +138.7% |
| DAR Darling Ingredients Inc. | 0.49% | 184,219 | $10.1M | Add +204.5% |
| MLYS Mineralys Therapeutics Inc. | 0.48% | 365,630 | $9.9M | Add +309.3% |
| WEAV Weave Communications Inc. | 0.48% | 1,646,468 | $9.9M | Add +41.0% |
| UBER Uber Technologies Inc. | 0.48% | 136,246 | $9.8M | Add +15.4% |
| UROY Uranium Royalty Corp. | 0.48% | 3,489,860 | $9.7M | Reduce -1.3% |
| REGN Regeneron Pharmaceuticals | 0.47% | 15,486 | $9.7M | Add +206.1% |
| EQX Equinox Gold Corp. | 0.47% | 991,635 | $9.6M | Add +68.9% |
| METC Ramaco Resources Inc. Class A | 0.47% | 728,470 | $9.6M | Add +215.6% |
| ARHS Arhaus Inc. | 0.46% | 1,118,395 | $9.4M | Reduce -42.6% |
| NU Nu Holdings Ltd./Cayman Isl-A filed as NU HLDGS LTD | 0.46% | 695,796 | $9.3M | Add +183.2% |
| FIP Ftai Infrastructure Inc. | 0.45% | 1,962,977 | $9.1M | Add +45.7% |
| LODE Comstock Inc. | 0.44% | 2,165,707 | $9.0M | New |
| GENI Genius Sports Ltd. | 0.44% | 1,476,166 | $8.9M | Add +1384.6% |
| OLN Olin Corp. | 0.43% | 441,585 | $8.8M | Add +134.7% |
| PRIM Primoris Services Corp. | 0.42% | 86,441 | $8.6M | New |
| TLN Talen Energy Corp. | 0.42% | 22,297 | $8.6M | Add +26.9% |
| ASML ASML Holding NV-NY Reg SHS filed as ASML HLDG NV | 0.41% | 4,231 | $8.4M | Reduce -59.9% |
| GSM Ferroglobe PLC | 0.40% | 2,566,762 | $8.2M | Add +174.4% |
| GPCR Structure Therapeutics Inc. | 0.39% | 148,030 | $7.9M | Add +597.0% |
| WEX Wex Inc. | 0.39% | 55,870 | $7.9M | Add +460.8% |
| LPTH Lightpath Technologies Inc. Class A | 0.38% | 478,502 | $7.8M | New |
| RY Royal Bank of Canada | 0.38% | 37,296 | $7.7M | Reduce -22.6% |
| VERA Vera Therapeutics Inc. | 0.38% | 179,467 | $7.7M | Add +85.0% |
| CELH Celsius Holdings Inc. | 0.36% | 252,879 | $7.4M | New |
| IONS Ionis Pharmaceuticals Inc. | 0.35% | 89,280 | $7.1M | Reduce -40.8% |
| EVLV Evolv Technologies Holdings | 0.35% | 1,218,707 | $7.1M | Reduce -10.7% |
| CCOI Cogent Communications Holdin | 0.34% | 503,457 | $7.0M | Add +1.9% |
| AMTM Amentum Holdings Inc. | 0.33% | 328,766 | $6.8M | Add +128.8% |
| GRPN Groupon Inc. | 0.33% | 281,576 | $6.8M | Reduce -39.9% |
| SNOW Snowflake Inc. | 0.33% | 26,564 | $6.8M | Reduce -36.7% |
| ON On Semiconductor | 0.33% | 71,433 | $6.8M | New |
| STLN Starling Oncology Inc. filed as THE ONCOLOGY INSTITUTE INC | 0.33% | 1,241,660 | $6.7M | Reduce -20.8% |
| FTK Flotek Industries Inc. | 0.33% | 286,225 | $6.7M | Add +905.4% |
| TKO Tko Group Holdings Inc. | 0.33% | 33,230 | $6.7M | Reduce -50.2% |
| NESR National Energy Services Reu | 0.33% | 222,893 | $6.7M | Reduce -27.4% |
| USPH U.S. Physical Therapy Inc. | 0.33% | 96,895 | $6.7M | Add +109.1% |
| GLNG Golar LNG Ltd. | 0.32% | 130,377 | $6.5M | Add +292.5% |
| MWH Solv Energy Inc. Class A | 0.32% | 188,790 | $6.4M | New |
| CME Cme Group Inc. | 0.31% | 29,026 | $6.4M | Add +531.0% |
| PACK Ranpak Holdings Corp. | 0.31% | 875,845 | $6.4M | Reduce -51.6% |
| NAVI Navient Corp. | 0.31% | 740,706 | $6.3M | New |
| REAL BROKERAGE INC/THE filed as THE REAL BROKERAGE INC | 0.31% | 3,444,260 | $6.3M | Add +9.2% |
| AZ A2Z CUST2MATE Solutions Corp. | 0.30% | 1,066,623 | $6.2M | Add +2272.9% |
| GDOT Green Dot Corp. Class A | 0.30% | 458,963 | $6.2M | Reduce -56.9% |
| CSCO Cisco Systems Inc. | 0.30% | 52,707 | $6.2M | Reduce -57.3% |
| AMAT Applied Materials Inc. | 0.30% | 8,510 | $6.2M | Reduce -86.5% |
| FLEX Flex Ltd. | 0.30% | 37,714 | $6.1M | Add +552.1% |
| JBI Janus International Group Inc. | 0.30% | 1,100,795 | $6.1M | Add +22.3% |
| FSLR First Solar Inc. | 0.30% | 25,827 | $6.1M | Reduce -45.6% |
| FIX Comfort Systems USA Inc. | 0.30% | 3,061 | $6.1M | Add +268.8% |
| EPAC Enerpac Tool Group Corp. | 0.30% | 169,175 | $6.1M | Add +202.3% |
| AKAM Akamai Technologies Inc. | 0.29% | 50,511 | $6.0M | Add +115.4% |
| MCD McDonald's Corp. | 0.29% | 21,996 | $5.9M | New |
| HNRG Hallador Energy Co. | 0.29% | 340,622 | $5.9M | Reduce -19.5% |
| AMPL Amplitude Inc. Class A | 0.29% | 771,163 | $5.9M | Add +1785.1% |
| PRM Perimeter Solutions Inc. | 0.28% | 161,670 | $5.8M | New |
| VRT Vertiv Holdings Co. Class A | 0.28% | 17,063 | $5.7M | Add +864.6% |
| SWIM Latham Group Inc. | 0.28% | 878,650 | $5.7M | Add +5.5% |
| SXT Sensient Technologies Corp. | 0.28% | 46,081 | $5.7M | Add +541.6% |
| NXPI NXP Semiconductors NV | 0.28% | 20,214 | $5.7M | Add +1012.5% |
| PUBM Pubmatic Inc. Class A | 0.27% | 413,983 | $5.4M | Reduce -76.2% |
| ONT Onterris Inc. | 0.26% | 264,299 | $5.3M | Add +88.1% |
| ACMR Acm Research Inc. Class A | 0.26% | 41,438 | $5.3M | New |
Portfolio Sells Q1 2026 → Q2 2026
| APH Amphenol Corp. Class A | Reduce -96.8% | 0.04% | −0.99 |
| AMAT Applied Materials Inc. | Reduce -86.5% | 0.30% | −0.85 |
| MDB Mongodb Inc. | Reduce -98.7% | 0.01% | −0.84 |
| PM Philip Morris International | Reduce -94.5% | 0.04% | −0.78 |
| HD Home Depot Inc. | Sold out | 0.00% | −0.72 |
| PG The Procter & Gamble Co. | Reduce -94.7% | 0.03% | −0.67 |
| LRCX Lam Research Corp. | Reduce -93.9% | 0.07% | −0.59 |
| PGNY Progyny Inc. | Reduce -80.6% | 0.24% | −0.56 |
| XMTR Xometry Inc. Class A | Reduce -92.4% | 0.10% | −0.54 |
| SHLS Shoals Technologies Group -A | Reduce -79.5% | 0.21% | −0.53 |
| ARGX Argenx SE - ADR | Reduce -96.6% | 0.02% | −0.53 |
| PUBM Pubmatic Inc. Class A | Reduce -76.2% | 0.27% | −0.50 |
| ALK Alaska Air Group Inc. | Reduce -92.3% | 0.05% | −0.46 |
| LAR Lithium Argentina AG | Sold out | 0.00% | −0.44 |
| AAOI Applied Optoelectronics Inc. | Sold out | 0.00% | −0.44 |
| AMN Amn Healthcare Services Inc. | Reduce -90.3% | 0.08% | −0.43 |
| NTRA Natera Inc. | Reduce -88.6% | 0.07% | −0.41 |
| HZO Marinemax Inc. | Reduce -82.2% | 0.12% | −0.41 |
| PLAY Dave & Buster's Entertainmen | Reduce -66.7% | 0.19% | −0.40 |
| TKO Tko Group Holdings Inc. | Reduce -50.2% | 0.33% | −0.39 |
| ESTA Establishment Labs Holdings | Reduce -97.0% | 0.02% | −0.39 |
| MDT Medtronic PLC | Reduce -81.3% | 0.07% | −0.39 |
| BX Blackstone Inc. | Reduce -88.6% | 0.05% | −0.39 |
| CCL Carnival Corp. Ltd. | Reduce -90.8% | 0.04% | −0.38 |
| INTC Intel Corp. | Reduce -94.3% | 0.07% | −0.36 |
| WYFI Whitefiber Inc. | Sold out | 0.00% | −0.35 |
| GEO The Geo Group Inc. | Reduce -91.6% | 0.05% | −0.34 |
| UUUU Energy Fuels Inc. | Sold out | 0.00% | −0.34 |
| YSS York Space Systems Inc. | Sold out | 0.00% | −0.34 |
| MCK McKesson Corp. | Reduce -90.6% | 0.03% | −0.34 |
| GDOT Green Dot Corp. Class A | Reduce -56.9% | 0.30% | −0.34 |
| ASML ASML Holding NV-NY Reg SHS | Reduce -59.9% | 0.41% | −0.33 |
| BE Bloom Energy Corp. Class A | Sold out | 0.00% | −0.33 |
| LYV Live Nation Entertainment Inc. | Reduce -92.9% | 0.03% | −0.33 |
| RPRX Royalty Pharma PLC Class A | Reduce -80.2% | 0.09% | −0.32 |
| LEG Leggett & Platt Inc. | Sold out | 0.00% | −0.32 |
| SEI Solaris Energy Infrastructur | Reduce -77.4% | 0.13% | −0.31 |
| SPOT Spotify Technology SA | Reduce -94.5% | 0.02% | −0.31 |
| CAH Cardinal Health Inc. | Sold out | 0.00% | −0.30 |
| CRDO Credo Technology Group Holdi | Sold out | 0.00% | −0.30 |
| TSLA Tesla Inc. | Sold out | 0.00% | −0.30 |
| ENPH Enphase Energy Inc. | Reduce -82.3% | 0.08% | −0.29 |
| XERS Xeris Biopharma Holdings Inc. | Reduce -77.5% | 0.11% | −0.28 |
| NCLH Norwegian Cruise Line Holdin | Sold out | 0.00% | −0.27 |
| IONS Ionis Pharmaceuticals Inc. | Reduce -40.8% | 0.35% | −0.26 |
| GOOS Canada Goose Holdings Inc. | Reduce -57.6% | 0.13% | −0.25 |
| COR Cencora Inc. | Reduce -71.9% | 0.08% | −0.25 |
| MGNI Magnite Inc. | Reduce -79.2% | 0.11% | −0.25 |
| KLAC KLA Corp. | Reduce -87.4% | 0.08% | −0.25 |
| ARHS Arhaus Inc. | Reduce -42.6% | 0.46% | −0.25 |
Portfolio Buys Q1 2026 → Q2 2026
| MA Mastercard Inc. Class A | New | 1.29% | +1.29 |
| NFLX Netflix Inc. | Add +1608.9% | 1.25% | +1.14 |
| TXN Texas Instruments Inc. | Add +163.7% | 1.49% | +1.09 |
| SPCX Space Exploration Techn Class A | New | 1.01% | +1.01 |
| LITE Lumentum Holdings Inc. | Add +1593.7% | 1.06% | +1.00 |
| PLTR Palantir Technologies Inc. Class A | New | 0.77% | +0.77 |
| MU Micron Technology Inc. | Add +188.4% | 0.86% | +0.77 |
| TDAY USA Today Co. Inc. | New | 0.67% | +0.67 |
| ROST Ross Stores Inc. | Add +5093.2% | 0.67% | +0.65 |
| ECHO Echostar Corp. Class A | Add +990.7% | 0.67% | +0.60 |
| AEIS Advanced Energy Industries | Add +3349.4% | 0.61% | +0.59 |
| DOCN Digitalocean Holdings Inc. | Add +724.6% | 0.64% | +0.59 |
| ADI Analog Devices Inc. | Add +683.6% | 0.55% | +0.49 |
| AMZN Amazon.com Inc. | Add +18.1% | 2.46% | +0.47 |
| LEGN Legend Biotech Corp.-ADR | Add +121.4% | 0.64% | +0.44 |
| LODE Comstock Inc. | New | 0.44% | +0.44 |
| PRIM Primoris Services Corp. | New | 0.42% | +0.42 |
| GENI Genius Sports Ltd. | Add +1384.6% | 0.44% | +0.42 |
| LPTH Lightpath Technologies Inc. Class A | New | 0.38% | +0.38 |
| CELH Celsius Holdings Inc. | New | 0.36% | +0.36 |
| MLYS Mineralys Therapeutics Inc. | Add +309.3% | 0.48% | +0.35 |
| V Visa Inc. Class A | Add +22.9% | 1.64% | +0.35 |
| NVDA Nvidia Corp. | Add +19.4% | 1.75% | +0.35 |
| FN Fabrinet | Add +192.6% | 0.53% | +0.35 |
| MCHP Microchip Technology Inc. | Add +138.7% | 0.51% | +0.34 |
| GPCR Structure Therapeutics Inc. | Add +597.0% | 0.39% | +0.34 |
| ON On Semiconductor | New | 0.33% | +0.33 |
| BNTX Biontech SE-ADR | Add +46.7% | 1.15% | +0.33 |
| PFE Pfizer Inc. | Add +210.4% | 0.54% | +0.32 |
| MWH Solv Energy Inc. Class A | New | 0.32% | +0.32 |
| NAVI Navient Corp. | New | 0.31% | +0.31 |
| WEX Wex Inc. | Add +460.8% | 0.39% | +0.31 |
| FTK Flotek Industries Inc. | Add +905.4% | 0.33% | +0.30 |
| DAR Darling Ingredients Inc. | Add +204.5% | 0.49% | +0.29 |
| MCD McDonald's Corp. | New | 0.29% | +0.29 |
| FTAI Ftai Aviation Ltd. | Add +64.7% | 0.73% | +0.29 |
| AZ A2Z CUST2MATE Solutions Corp. | Add +2272.9% | 0.30% | +0.29 |
| PRM Perimeter Solutions Inc. | New | 0.28% | +0.28 |
| METC Ramaco Resources Inc. Class A | Add +215.6% | 0.47% | +0.28 |
| FLEX Flex Ltd. | Add +552.1% | 0.30% | +0.28 |
| AMPL Amplitude Inc. Class A | Add +1785.1% | 0.29% | +0.27 |
| NU Nu Holdings Ltd./Cayman Isl-A | Add +183.2% | 0.46% | +0.27 |
| REGN Regeneron Pharmaceuticals | Add +206.1% | 0.47% | +0.26 |
| NXPI NXP Semiconductors NV | Add +1012.5% | 0.28% | +0.26 |
| ACMR Acm Research Inc. Class A | New | 0.26% | +0.26 |
| VRT Vertiv Holdings Co. Class A | Add +864.6% | 0.28% | +0.26 |
| AADX Applied Aerospace & Defense | New | 0.26% | +0.26 |
| MANE Veradermics Inc. | New | 0.26% | +0.26 |
| AEVA Aeva Technologies Inc. | New | 0.25% | +0.25 |
| SXT Sensient Technologies Corp. | Add +541.6% | 0.28% | +0.25 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 693 | $2.0B | AMZN, GOOGL, META, MSFT, NVDA |
| Q1 2026 | 628 | $1.9B | MSFT, GOOGL, AMZN, META, TSM |
| Q4 2025 | 541 | $2.0B | MSFT, AMZN, META, GOOGL, V |
| Q3 2025 | 544 | $2.0B | AMZN, META, V, AMD, MSFT |
| Q2 2025 | 493 | $1.8B | MSFT, AMZN, V, BRK.B, GOOGL |
| Q1 2025 | 466 | $1.6B | MSFT, V, AMZN, GOOGL, META |
| Q4 2024 | 466 | $1.7B | MSFT, BRK.B, AMZN, BKNG, GOOGL |
| Q3 2024 | 441 | $1.6B | GOOGL, MSFT, AMZN, COST, BRK.B |
| Q2 2024 | 388 | $1.6B | AMZN, EQX, TDW, NTR, GOOGL |
| Q1 2024 | 373 | $1.4B | GOOGL, AMZN, SBUX, NTR, IAS |