Institutional Manager · CIK 0001872738
CenterBook Partners LP
Greenwich, CT · File #028-21833
Latest AUM
$2.05B
Positions
541
Top-10 Concentration
35.5%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| NEW | ELI LILLY & CO | LLY | +24,471 | +$26.3M | $0 |
| NEW | WALMART INC | WMT | +214,991 | +$24.0M | $0 |
| REDUCE | ECHOSTAR CORP | SATS | -210,579 | -$22.9M | +$7.0M |
| REDUCE | ADVANCED MICRO DEVICES INC | AMD | -102,167 | -$21.9M | +$10.6M |
| REDUCE | REGENERON PHARMACEUTICALS | REGN | -26,977 | -$20.8M | +$12.0M |
| REDUCE | SNOWFLAKE INC | SNOW | -93,498 | -$20.5M | -$686,081 |
| REDUCE | DOLLAR TREE INC | DLTR | -162,916 | -$20.0M | +$5.0M |
| ADD | NETFLIX INC | NFLX | +210,629 | +$19.7M | -$24.9M |
| EXITED | COSTCO WHSL CORP NEW | 22160K105 | -20,939 | -$19.4M | $0 |
| NEW | GITLAB INC | GTLB | +488,247 | +$18.3M | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025541 pos · $2.05B
- 13F HOLDINGS REPORTQ/E Sep 2025544 pos · $2.02B
- 13F HOLDINGS REPORTQ/E Jun 2025493 pos · $1.80B
- 13F HOLDINGS REPORTQ/E Mar 2025466 pos · $1.57B
- 13F HOLDINGS REPORTQ/E Dec 2024466 pos · $1.67B
- 13F HOLDINGS REPORTQ/E Sep 2024441 pos · $1.63B
- 13F HOLDINGS REPORTQ/E Jun 2024388 pos · $1.61B
- 13F HOLDINGS REPORTQ/E Mar 2024373 pos · $1.45B
- 13F HOLDINGS REPORTQ/E Dec 2023413 pos · $801.9M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | MICROSOFT CORP | MSFT | 97,900 | $47.3M | 5.22% |
| 2 | AMAZON COM INC | AMZN | 198,871 | $45.9M | 5.06% |
| 3 | META PLATFORMS INC | META | 56,336 | $37.2M | 4.10% |
| 4 | ALPHABET INC | GOOG | 109,001 | $34.1M | 3.76% |
| 5 | VISA INC | V | 85,614 | $30.0M | 3.31% |
| 6 | TAIWAN SEMICONDUCTOR MFG LTD | 874039100 | 91,447 | $27.8M | 3.06% |
| 7 | ELI LILLY & CO | LLY | 24,471 | $26.3M | 2.90% |
| 8 | NVIDIA CORPORATION | NVDA | 132,365 | $24.7M | 2.72% |
| 9 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 48,374 | $24.3M | 2.68% |
| 10 | WALMART INC | WMT | 214,991 | $24.0M | 2.64% |
| 11 | TJX COS INC NEW | 872540109 | 153,730 | $23.6M | 2.60% |
| 12 | APPLE INC | AAPL | 86,399 | $23.5M | 2.59% |
| 13 | REGENERON PHARMACEUTICALS | REGN | 30,246 | $23.3M | 2.57% |
| 14 | BIONTECH SE | BNTX | 236,175 | $22.5M | 2.48% |
| 15 | AMPHENOL CORP NEW | 032095101 | 165,968 | $22.4M | 2.47% |
| 16 | TEXAS INSTRS INC | 882508104 | 127,239 | $22.1M | 2.43% |
| 17 | NETFLIX INC | NFLX | 233,122 | $21.9M | 2.41% |
| 18 | UBER TECHNOLOGIES INC | UBER | 263,986 | $21.6M | 2.38% |
| 19 | ADVANCED MICRO DEVICES INC | AMD | 99,782 | $21.4M | 2.36% |
| 20 | GITLAB INC | GTLB | 488,247 | $18.3M | 2.02% |