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CenterBook Partners Portfolio holdings

AUM $2.04B
1-Year Est. Return 35.27%
This Fund
S&P 500
This Quarter Est. Return
+22.1%
1 Year Est. Return
+35.27%
3 Year Est. Return
+62.41%
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$2.04B
AUM Growth
+$174M
Cap. Flow
-$93.1M
Cap. Flow %
-4.57%
Top 10 Hldgs %
18.06%
Holding
906
New
278
Increased
171
Reduced
244
Closed
213

Top Buys

Rank Stock Value
1
NFLX icon
Netflix
NFLX
+$29.4M
2
MA icon
Mastercard
MA
+$25.5M
3
LITE icon
Lumentum
LITE
+$21.1M
4
SPCX
SpaceX
SPCX
+$20.5M
5
PLTR icon
Palantir
PLTR
+$18.4M

Top Sells

Rank Stock Value
1
AMAT icon
Applied Materials
AMAT
+$25.1M
2
AMD icon
Advanced Micro Devices
AMD
+$22.9M
3
APH icon
Amphenol
APH
+$21.3M
4
XMTR icon
Xometry
XMTR
+$19.3M
5
MDB icon
MongoDB
MDB
+$19.1M

Sector Composition

Rank Sector Weight
1 Technology 28.3%
2 Healthcare 14.79%
3 Industrials 13.6%
4 Communication Services 10.03%
5 Financials 9.92%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SYY icon
401
Sysco
SYY
$38.1B
$820K 0.04%
9,815
-34,111
-78% -$2.58M
TXG icon
402
10x Genomics
TXG
$9.69B
$814K 0.04%
+21,237
New +$557K
AGIO icon
403
Agios Pharmaceuticals
AGIO
$1.96B
$812K 0.04%
21,885
+4,440
+25% +$135K
LKQ icon
404
LKQ Corp
LKQ
$5.92B
$809K 0.04%
30,723
-7,093
-19% -$197K
IFF icon
405
International Flavors & Fragrances
IFF
$21.5B
$796K 0.04%
10,045
+2,480
+33% +$185K
KC
406
Kingsoft Cloud Holdings
KC
$2.85B
$792K 0.04%
87,551
+19,852
+29% +$274K
ENSG icon
407
The Ensign Group
ENSG
$10.1B
$790K 0.04%
4,929
+3,493
+243% +$616K
CNC icon
408
Centene
CNC
$33.4B
$785K 0.04%
12,235
-45,447
-79% -$2.43M
MPWR icon
409
Monolithic Power Systems
MPWR
$56.1B
$785K 0.04%
568
+346
+156% +$519K
CCL icon
410
Carnival Corporation Ltd
CCL
$30.3B
$782K 0.04%
27,385
-272,054
-91% -$7.43M
DAN icon
411
Dana Inc
DAN
$3.24B
$781K 0.04%
28,696
+7,983
+39% +$272K
DG icon
412
Dollar General
DG
$27.5B
$778K 0.04%
6,760
+612
+10% +$69.6K
MCO icon
413
Moody's
MCO
$80.9B
$778K 0.04%
1,717
-1,434
-46% -$644K
MOH icon
414
Molina Healthcare
MOH
$10.8B
$776K 0.04%
3,392
-8,125
-71% -$1.47M
MLAB icon
415
Mesa Laboratories
MLAB
$712M
$770K 0.04%
7,739
-6,455
-45% -$650K
GFI icon
416
Gold Fields
GFI
$38.2B
$768K 0.04%
+22,862
New +$952K
MSA icon
417
Mine Safety
MSA
$6.9B
$768K 0.04%
4,397
+2,003
+84% +$335K
MSEX icon
418
Middlesex Water
MSEX
$1.05B
$766K 0.04%
13,639
-8,566
-39% -$451K
CNQ icon
419
Canadian Natural Resources
CNQ
$106B
$762K 0.04%
19,298
+10,299
+114% +$468K
TENB icon
420
Tenable Holdings
TENB
$4.2B
$759K 0.04%
+20,578
New +$484K
GO icon
421
Grocery Outlet
GO
$1.14B
$753K 0.04%
75,422
-168,174
-69% -$1.38M
ARM icon
422
Arm
ARM
$258B
$751K 0.04%
2,117
-10,561
-83% -$2.81M
AXON
423
Axon Enterprise
AXON
$35.9B
$750K 0.04%
1,337
-5,160
-79% -$2.16M
AWK icon
424
American Water Works
AWK
$27.4B
$749K 0.04%
5,695
+1,227
+27% +$158K
DX
425
Dynex Capital
DX
$3.04B
$748K 0.04%
57,070
-51,421
-47% -$676K
15 16
17
18 19

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6CM
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UF
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C
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WCMNY
Westchester Capital Management (New York) Valhalla, New York $2.04B AUM 31.03% 1-Year Est. Return
WPC
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BOH
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EF
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CenterBook Partners's Q2 2026 Portfolio in Review

As of Q2 2026, CenterBook Partners held 906 positions worth $2.04B, up 9.4% from $1.86B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

CenterBook Partners withdrew a net $93.1M in Q2 2026, closing 213 positions and reducing 244 holdings. Its most notable exit was Home Depot, an estimated $13.4M position sold in full.

By sector, the portfolio is most concentrated in Technology at 28% of assets, up from 26% a quarter earlier, followed by Healthcare and Industrials.

Against the trend, CenterBook Partners opened a new position in Mastercard worth $26.3M.

  • CenterBook Partners's largest Q2 2026 buy was Mastercard: 51,161 shares worth $26.3M.
  • CenterBook Partners added most to Netflix in Q2 2026, an estimated $29.4M increase.
  • CenterBook Partners's biggest Q2 2026 reduction was Applied Materials, cutting an estimated $25.1M.
  • CenterBook Partners fully exited Home Depot in Q2 2026, selling an estimated $13.4M.
  • CenterBook Partners's ten largest holdings make up 18% of its $2.04B portfolio in Q2 2026.
  • CenterBook Partners opened 278 new positions and closed 213 in Q2 2026.
  • CenterBook Partners's portfolio value rose 9.4% quarter-over-quarter to $2.04B.

Based on CenterBook Partners's 13F filing for Q2 2026, filed 11 Aug 2026.