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JO

John Overdeck Two Sigma Investments

AUM $138B
1-Year Est. Return 41.87%
 

John Overdeck is a co-founder of Two Sigma Investments, one of the world’s leading quantitative and technology-driven investment firms. Two Sigma applies data science, machine learning, and large-scale computing to markets across asset classes. Overdeck’s firm is a central reference point in discussions of modern systematic investing.

This Fund
S&P 500
This Quarter Est. Return
+3.47%
1 Year Est. Return
+41.87%
3 Year Est. Return
+122.61%
5 Year Est. Return
+129.48%
10 Year Est. Return
+649.67%
AUM
$70.9B
AUM Growth
+$3.72B
Cap. Flow
+$541M
Cap. Flow %
0.76%
Top 10 Hldgs %
4.9%
Holding
4,545
New
899
Increased
1,598
Reduced
1,287
Closed
504

Sector Composition

Rank Sector Weight
1 Technology 15.53%
2 Financials 13%
3 Industrials 11.22%
4 Healthcare 10.29%
5 Consumer Discretionary 9.16%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
TCRX icon
3076
TScan Therapeutics
TCRX
$54.2M
$651K ﹤0.01%
651,179
+231,775
+55% +$335K
DBVT
3077
DBV Technologies
DBVT
$889M
$651K ﹤0.01%
33,947
+17,265
+103% +$270K
CTRN icon
3078
Citi Trends
CTRN
$619M
$648K ﹤0.01%
15,602
-13,068
-46% -$516K
FLWS icon
3079
1-800-Flowers.com
FLWS
$249M
$647K ﹤0.01%
+164,595
New +$646K
GBX icon
3080
The Greenbrier Companies
GBX
$1.43B
$642K ﹤0.01%
13,739
-11,147
-45% -$500K
RXT icon
3081
Rackspace Technology
RXT
$795M
$642K ﹤0.01%
660,976
-12,713
-2% -$16K
EVC icon
3082
Entravision Communication
EVC
$748M
$641K ﹤0.01%
218,610
+4,033
+2% +$10.5K
FWDI
3083
Forward Industries Inc
FWDI
$423M
$638K ﹤0.01%
+96,540
New +$1.24M
ZEPP
3084
Zepp Health
ZEPP
$73.2M
$637K ﹤0.01%
+23,650
New +$843K
INOD icon
3085
CALL
Innodata
INOD
$1.96B
$637K ﹤0.01%
+12,500
New +$815K
BTBT icon
3086
Bit Digital
BTBT
$545M
$637K ﹤0.01%
336,921
-580,603
-63% -$1.68M
OSBC icon
3087
Old Second Bancorp
OSBC
$1.29B
$636K ﹤0.01%
32,599
-155,192
-83% -$2.9M
ED icon
3088
CALL
Consolidated Edison
ED
$39.8B
$636K ﹤0.01%
+6,400
New +$635K
KRRO icon
3089
Korro Bio
KRRO
$192M
$633K ﹤0.01%
78,984
+14,529
+23% +$340K
DENN
3090
DELISTED
Denny's
DENN
$631K ﹤0.01%
101,408
-41,695
-29% -$236K
KE
3091
Kimball Electronics
KE
$547M
$629K ﹤0.01%
22,606
-31,667
-58% -$914K
RAIL icon
3092
FreightCar America
RAIL
$234M
$629K ﹤0.01%
56,799
+7,841
+16% +$72K
NB
3093
NioCorp Developments
NB
$619M
$629K ﹤0.01%
118,594
-144,005
-55% -$991K
ETB
3094
Eaton Vance Tax-Managed Buy-Write Income Fund
ETB
$457M
$628K ﹤0.01%
41,133
-20,000
-33% -$302K
RKLB icon
3095
CALL
Rocket Lab Corp
RKLB
$43.7B
$628K ﹤0.01%
9,000
-1,500
-14% -$86K
AIRS icon
3096
AirSculpt Technologies
AIRS
$190M
$627K ﹤0.01%
316,611
+273,278
+631% +$1.66M
INFU icon
3097
InfuSystem Holdings
INFU
$238M
$627K ﹤0.01%
69,882
-14,715
-17% -$141K
DKNG icon
3098
DraftKings
DKNG
$12.9B
$626K ﹤0.01%
18,169
-86,028
-83% -$2.83M
GILD icon
3099
CALL
Gilead Sciences
GILD
$182B
$626K ﹤0.01%
+5,100
New +$620K
ARTV
3100
Artiva Biotherapeutics
ARTV
$563M
$621K ﹤0.01%
144,864
+124,500
+611% +$470K

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John Overdeck's Q4 2025 Portfolio in Review

As of Q4 2025, John Overdeck held 4,545 positions worth $70.9B, up 5.5% from $67.2B the previous quarter. Its ten largest holdings account for 4.9% of the portfolio.

John Overdeck's Q4 2025 filing shows 899 new, 1,598 increased, 1,287 reduced and 504 closed positions. Its largest new stake was Vanguard Real Estate ETF: 3,573,400 shares worth $316M. The largest sale was State Street Financial Select Sector SPDR ETF, an estimated $547M.

By sector, the portfolio is most concentrated in Technology at 16% of assets, down from 16% a quarter earlier, followed by Financials and Industrials.

  • John Overdeck's largest Q4 2025 buy was Vanguard Real Estate ETF: 3,573,400 shares worth $316M.
  • John Overdeck added most to State Street Technology Select Sector SPDR ETF in Q4 2025, an estimated $395M increase.
  • John Overdeck's biggest Q4 2025 reduction was State Street Financial Select Sector SPDR ETF, cutting an estimated $547M.
  • John Overdeck fully exited State Street SPDR Dow Jones Industrial Average ETF Trust in Q4 2025, selling an estimated $240M.
  • John Overdeck's ten largest holdings make up 4.9% of its $70.9B portfolio in Q4 2025.
  • John Overdeck opened 899 new positions and closed 504 in Q4 2025.
  • John Overdeck's portfolio value rose 5.5% quarter-over-quarter to $70.9B.

Based on Two Sigma Investments's 13F filing for Q4 2025, filed 17 Feb 2026.