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CenterBook Partners Portfolio holdings

AUM $1.86B
1-Year Est. Return 24.52%
This Fund
S&P 500
This Quarter Est. Return
-3.16%
1 Year Est. Return
+24.52%
3 Year Est. Return
+37.52%
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$1.86B
AUM Growth
-$185M
Cap. Flow
-$56.4M
Cap. Flow %
-3.03%
Top 10 Hldgs %
16.08%
Holding
810
New
269
Increased
154
Reduced
205
Closed
182

Top Buys

Rank Stock Value
1
MDB icon
MongoDB
MDB
+$21.6M
2
AVGO icon
Broadcom
AVGO
+$21.1M
3
JPM icon
JPMorgan Chase
JPM
+$20.5M
4
XMTR icon
Xometry
XMTR
+$15.5M
5
TKO icon
TKO Group
TKO
+$12M

Top Sells

Rank Stock Value
1
WMT icon
Walmart Inc
WMT
+$24M
2
REGN icon
Regeneron Pharmaceuticals
REGN
+$19.3M
3
NFLX icon
Netflix
NFLX
+$18.7M
4
TXN icon
Texas Instruments
TXN
+$18M
5
TJX icon
TJX Companies
TJX
+$16.6M

Sector Composition

Rank Sector Weight
1 Technology 26.45%
2 Healthcare 15.63%
3 Industrials 13.52%
4 Consumer Discretionary 10.17%
5 Financials 9.61%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
PTCT icon
126
PTC Therapeutics
PTCT
$6.25B
$3.87M 0.21%
+56,813
New +$4.02M
GSM icon
127
FerroAtlántica
GSM
$628M
$3.85M 0.21%
935,523
-538,705
-37% -$2.6M
CALM icon
128
Cal-Maine
CALM
$4.42B
$3.82M 0.21%
48,239
+38,826
+412% +$3.19M
ROIV icon
129
Roivant Sciences
ROIV
$24.3B
$3.79M 0.2%
136,838
-474,995
-78% -$12.2M
BA icon
130
Boeing
BA
$175B
$3.76M 0.2%
+18,905
New +$4.31M
AMTM
131
Amentum Holdings
AMTM
$5.73B
$3.75M 0.2%
143,698
-78,525
-35% -$2.46M
DAR icon
132
Darling Ingredients
DAR
$9.28B
$3.74M 0.2%
60,506
-104,761
-63% -$5.16M
LEGN icon
133
Legend Biotech
LEGN
$3.68B
$3.7M 0.2%
204,603
-8,421
-4% -$161K
RERE
134
ATRenew
RERE
$959M
$3.7M 0.2%
+789,102
New +$4.45M
TEO icon
135
Telecom Argentina
TEO
$5.86B
$3.68M 0.2%
314,812
+220,331
+233% +$2.57M
MELI icon
136
Mercado Libre
MELI
$94.4B
$3.61M 0.19%
2,087
+1,950
+1,423% +$3.76M
ACVA icon
137
ACV Auctions
ACVA
$1.43B
$3.58M 0.19%
843,766
-73,783
-8% -$483K
METC icon
138
Ramaco Resources Class A
METC
$637M
$3.57M 0.19%
+230,843
New +$4.09M
GHM icon
139
Graham Corp
GHM
$1.17B
$3.54M 0.19%
+44,876
New +$3.52M
NU icon
140
Nu Holdings
NU
$70.9B
$3.53M 0.19%
245,715
+12,153
+5% +$197K
NOW icon
141
ServiceNow
NOW
$114B
$3.51M 0.19%
33,532
+2,667
+9% +$314K
PNR icon
142
Pentair
PNR
$10.8B
$3.48M 0.19%
40,003
+30,533
+322% +$2.99M
USPH icon
143
US Physical Therapy
USPH
$1.2B
$3.47M 0.19%
46,334
+5,050
+12% +$414K
SMWB icon
144
Similarweb
SMWB
$630M
$3.46M 0.19%
1,325,113
+364,117
+38% +$1.52M
FN icon
145
Fabrinet
FN
$16.1B
$3.43M 0.18%
+6,569
New +$3.34M
NBIS
146
Nebius Group N.V.
NBIS
$43.1B
$3.42M 0.18%
+32,998
New +$3.29M
BMY icon
147
Bristol-Myers Squibb
BMY
$130B
$3.42M 0.18%
+56,340
New +$3.28M
BKTI icon
148
BK Technologies
BKTI
$300M
$3.39M 0.18%
45,398
+25,741
+131% +$2.09M
UBS icon
149
UBS Group
UBS
$171B
$3.38M 0.18%
+86,515
New +$3.7M
GENB
150
Generate Biomedicines
GENB
$1.68B
$3.34M 0.18%
+266,813
New +$3.26M
4 5
6
7 8

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GRA
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ACM
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EAM
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BCIM
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SG
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CFA
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OFG
Oxford Financial Group Carmel, Indiana $1.86B AUM 19.25% 1-Year Est. Return

CenterBook Partners's Q1 2026 Portfolio in Review

As of Q1 2026, CenterBook Partners held 810 positions worth $1.86B, down 9.1% from $2.05B the previous quarter. Its ten largest holdings account for 16% of the portfolio.

CenterBook Partners withdrew a net $56.4M in Q1 2026, closing 182 positions and reducing 205 holdings. Its most notable exit was Walmart Inc, an estimated $24M position sold in full.

By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 24% a quarter earlier, followed by Healthcare and Industrials.

Against the trend, CenterBook Partners opened a new position in MongoDB worth $15.8M.

  • CenterBook Partners's largest Q1 2026 buy was MongoDB: 64,672 shares worth $15.8M.
  • CenterBook Partners added most to TKO Group in Q1 2026, an estimated $12M increase.
  • CenterBook Partners's biggest Q1 2026 reduction was Regeneron Pharmaceuticals, cutting an estimated $19.3M.
  • CenterBook Partners fully exited Walmart Inc in Q1 2026, selling an estimated $24M.
  • CenterBook Partners's ten largest holdings make up 16% of its $1.86B portfolio in Q1 2026.
  • CenterBook Partners opened 269 new positions and closed 182 in Q1 2026.
  • CenterBook Partners's portfolio value fell 9.1% quarter-over-quarter to $1.86B.

Based on CenterBook Partners's 13F filing for Q1 2026, filed 5 May 2026.