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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
ALKS icon
301
Alkermes
ALKS
$8.47B
$1.37M 0.07%
+38,625
New +$1.2M
CME icon
302
CME Group
CME
$93.5B
$1.36M 0.07%
+4,600
New +$1.37M
GTX icon
303
Garrett Motion
GTX
$5.6B
$1.35M 0.07%
+74,302
New +$1.39M
FISV
304
Fiserv Inc
FISV
$28.9B
$1.35M 0.07%
+24,125
New +$1.49M
CTRI icon
305
Centuri Holdings
CTRI
$2.63B
$1.33M 0.07%
+45,444
New +$1.32M
IOT icon
306
Samsara
IOT
$21.9B
$1.32M 0.07%
+41,732
New +$1.27M
PRCT icon
307
Procept Biorobotics
PRCT
$1.03B
$1.32M 0.07%
+52,670
New +$1.48M
SHW icon
308
Sherwin-Williams
SHW
$87.4B
$1.31M 0.07%
4,073
-19,194
-82% -$6.61M
BTU icon
309
Peabody Energy
BTU
$2.83B
$1.3M 0.07%
+39,570
New +$1.38M
CMCSA icon
310
Comcast
CMCSA
$85.8B
$1.28M 0.07%
44,570
+27,005
+154% +$808K
ARW icon
311
Arrow Electronics
ARW
$10.8B
$1.27M 0.07%
8,832
-3,563
-29% -$488K
IQV icon
312
IQVIA
IQV
$40B
$1.26M 0.07%
7,416
+2,115
+40% +$413K
KIDS icon
313
OrthoPediatrics
KIDS
$510M
$1.26M 0.07%
79,396
+67,756
+582% +$1.18M
MLAB icon
314
Mesa Laboratories
MLAB
$559M
$1.26M 0.07%
+14,194
New +$1.22M
CCJ icon
315
Cameco
CCJ
$37.9B
$1.24M 0.07%
+11,463
New +$1.31M
ONTO icon
316
Onto Innovation
ONTO
$12B
$1.24M 0.07%
+6,061
New +$1.24M
MBUU icon
317
Malibu Boats
MBUU
$559M
$1.23M 0.07%
47,634
+29,457
+162% +$879K
ACM icon
318
Aecom
ACM
$9.57B
$1.22M 0.07%
14,397
-17,908
-55% -$1.7M
O icon
319
Realty Income
O
$61.3B
$1.22M 0.07%
+19,955
New +$1.25M
TGLS icon
320
Tecnoglass
TGLS
$2.09B
$1.21M 0.06%
27,058
-103,703
-79% -$5.01M
OWL icon
321
Blue Owl Capital
OWL
$6.63B
$1.2M 0.06%
+130,997
New +$1.58M
WFRD icon
322
Weatherford International
WFRD
$5.99B
$1.19M 0.06%
+12,616
New +$1.19M
OII icon
323
Oceaneering
OII
$4.78B
$1.18M 0.06%
33,144
-67,076
-67% -$2.17M
BORR
324
Borr Drilling
BORR
$1.2B
$1.18M 0.06%
+203,691
New +$1.04M
TDS icon
325
Telephone and Data Systems
TDS
$3.87B
$1.17M 0.06%
+27,850
New +$1.22M
11 12
13
14 15

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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
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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.