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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
FER icon
801
Ferrovial N.V. Ordinary Shares
FER
$44.2B
– –
-28,204
Closed -$1.8M
OKLO
802
Oklo
OKLO
$6.89B
– –
-20,770
Closed -$1.49M
OS
803
DELISTED
OneStream Inc
OS
– –
-49,621
Closed -$912K
PRMB
804
Primo Brands
PRMB
$8.54B
– –
-230,500
Closed -$3.77M
KRMN
805
Karman Holdings
KRMN
$6.57B
– –
-14,559
Closed -$1.07M
TPC
806
Tutor Perini Cor
TPC
$4.31B
– –
-10,750
Closed -$720K
RAL
807
Ralliant Corp
RAL
$7.58B
– –
-9,549
Closed -$486K
WW
808
WW International
WW
$138M
– –
-19,022
Closed -$556K
VELO
809
Velo3D Inc
VELO
$281M
– –
-76,028
Closed -$1.04M
CDNL
810
Cardinal Infrastructure Group
CDNL
$1.2B
– –
-82,459
Closed -$1.99M
29 30 31 32
33

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ACM
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EAM
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BCIM
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SG
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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.