Stocks/Funds/CIK 1872738

CenterBook Partners LP

index-like (500+ pos)
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1872738
Assets
$1.85B
+18.4% YoY
Holdings
626
Lifetime alpha vs market
-1.07% annual
Average hold time
1.5 yr
median 1.0 yr

Quarterly history

Cum return +46% vs S&P +52% · α -6% lifetimeAUM $1.8B · peak $2.0BFlow $-182M (-9%)2021-122022-092023-062024-032024-122025-092026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+7.94%
adds when stocks drop
when a holding falls −10%+
Middle response
-5.74%
baseline attrition
Rally response
-25.77%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
MSFTMicrosoft Corporation$39M2.1%-0.6%4.5 yr
GOOGLAlphabet Inc.$37M2.0%4.5 yr
AMZNAmazon.com, Inc.$37M2.0%+9.5%4.5 yr
METAMeta Platforms, Inc.$35M1.9%-0.4%4.5 yr
TSMTaiwan Semiconductor Man$28M1.5%+105.6%2.8 yr
LLYEli Lilly and Company$27M1.5%+12.2%3.3 yr
NVDANVIDIA Corporation$26M1.4%+60.9%2.5 yr
VVisa Inc.$24M1.3%-13.1%4.5 yr
BRK-BBerkshire Hathaway Inc.$24M1.3%4.3 yr
AAPLApple Inc.$22M1.2%+14.7%3.3 yr
AMATApplied Materials, Inc.$22M1.2%+137.6%1.3 yr
JPMJPMorgan Chase & Co.$20M1.1%+21.8%1.5 yr
AVGOBroadcom Inc.$20M1.1%+86.0%2.5 yr
APHAmphenol Corporation$19M1.0%+93.6%1.5 yr
AMDAdvanced Micro Devices, $19M1.0%+98.0%3.8 yr

Portfolio composition (YoY)

Industry mix
Semiconductors10.3%+5.1pp$190M
Biotechnology5.6%+1.3pp$104M
Internet Content & Information5.1%-0.1pp$95M
Software - Infrastructure4.2%-0.6pp$78M
Software - Application3.6%-1.3pp$66M
Specialty Retail3.2%-1.7pp$60M
Unknown2.7%-1.5pp$49M
Communication Equipment2.6%+1.4pp$48M
Financial - Credit Services2.3%-0.5pp$42M
Banks - Diversified2.2%+1.0pp$41M
Country
US82.2%+2.7pp
CA3.8%-0.2pp
Unknown2.7%-1.5pp
TW1.5%+0.2pp
GB1.5%-1.2pp
NL1.3%-0.7pp
IE1.0%+0.5pp
DE0.9%+0.3pp
Top 5: 9.5% · Top 10: 16.2% · Top 25: 29.4%

Winners

TickerPrev $PnLYoY %
TSM$20M+0.02B105.6%
AVGO$18M+0.02B86.0%
ASML$15M+0.02B100.9%
SHLS$12M+0.01B98.2%
NVDA$14M+0.01B60.9%

Losers

TickerPrev $PnLYoY %
V$33M-0.00B-13.1%
ENVX$13M-0.00B-29.4%
ARHS$16M-0.00B-18.2%
PGNY$12M-0.00B-24.0%
PG$4M-0.00B-12.9%

Top buys this quarter · 15

MDB MongoDB, Inc.+$15M
JPM JPMorgan Chase & Co.+$14M
TKO TKO Group Holdings, Inc.+$12M
LRCX Lam Research Corporation+$9M
AMAT Applied Materials, Inc.+$9M
ARHS Arhaus, Inc.+$9M
FSLR First Solar, Inc.+$8M
PG The Procter & Gamble Company+$8M
AESI Atlas Energy Solutions Inc.+$8M
ARGX argenx SE+$8M

Top sells this quarter · 15

WMT Walmart Inc.exit$27M
NAT Nordic American Tankers Limiteexit$22M
NFLX Netflix, Inc.$20M
REGN Regeneron Pharmaceuticals, Inc$19M
TROX Tronox Holdings plcexit$17M
TXN Texas Instruments Incorporated$17M
TJX The TJX Companies, Inc.$17M
LITE Lumentum Holdings Inc.$15M
RCAT Red Cat Holdings, Inc.exit$14M
GE GE Aerospaceexit$14M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$1.85B626+30.27%+17.59%+12.68%-0.18B
2025-12-31$2.03B537+21.50%+17.72%+3.78%-0.10B
2025-09-30$2.02B542+18.15%+17.52%+0.63%+0.06B
2025-06-30$1.79B492+16.93%+14.94%+1.98%+0.03B
2025-03-31$1.56B464-0.57%+8.30%-8.87%-0.00B
2024-12-31$1.67B465+9.13%+24.89%-15.76%+0.01B
2024-09-30$1.62B440+22.69%+36.04%-13.34%-0.12B
2024-06-30$1.61B387+9.12%+24.49%-15.37%+0.22B
2024-03-31$1.45B372+21.21%+29.62%-8.41%+0.61B
2023-12-31$818M377+28.84%+26.18%+2.66%-0.10B
2023-09-30$799M412+21.70%+21.57%+0.13%+0.03B
2023-06-30$797M402+19.20%+19.42%-0.23%+0.04B
2023-03-31$707M380-7.17%-7.82%+0.65%+0.05B
2022-12-31$607M369+8.86%+7.56%+1.30%+0.04B
2022-09-30$518M386-5.91%-4.93%-0.99%+0.08B
2022-06-30$467M377-16.89%-16.11%-0.78%+0.23B