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John Overdeck

John Overdeck Two Sigma Investments

AUM $138B Turnover 29.02%
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
+21.14%
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
$138B
AUM Growth
+$14.2B
Cap. Flow
-$5.38B
Cap. Flow %
-3.9%
Top 10 Hldgs %
8.28%
Holding
5,589
New
1,050
Increased
1,919
Reduced
1,756
Closed
572
Avg Time Held Equity + Options
1.4 years
Top 10 Avg Time Held Equity + Options
0.2 years
Top 20 Avg Time Held Equity + Options
0.2 years
Avg Time Held Equity only
1.7 years
Top 10 Avg Time Held Equity only
0.2 years
Top 20 Avg Time Held Equity only
0.2 years

Top Buys

Rank Stock Value
1
INTU icon
Intuit
INTU
+$753M
2
BSX icon
Boston Scientific
BSX
+$540M
3
DOW icon
Dow Inc
DOW
+$485M
4
WFC icon
Wells Fargo
WFC
+$457M
5
GS icon
Goldman Sachs
GS
+$378M

Top Sells

Rank Stock Value
1
MU icon
Micron Technology
MU
+$1.32B
2
NVDA icon
NVIDIA
NVDA
+$1.02B
3
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$787M
4
SNDK icon
Sandisk
SNDK
+$744M
5
DELL icon
Dell
DELL
+$688M

Sector Composition

Rank Sector Weight
1 Technology 19.7%
2 Financials 15.22%
3 Miscellaneous 12.05%
4 Healthcare 11.94%
5 Industrials 11.56%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow Held Since
SPY icon
626
State Street SPDR S&P 500 ETF Trust
SPY
$806B
$40.7M 0.03%
54,549
-525,744
-91% -$381M
2016 Q1
41 quarters
VFLO icon
627
VictoryShares Free Cash Flow ETF
VFLO
$11.7B
$40.6M 0.03%
888,000
+494,800
+126% +$21.5M
2025 Q3
3 quarters
TIP icon
628
iShares TIPS Bond ETF
TIP
$14.4B
$40.6M 0.03%
371,250
+8,550
+2% +$945K
2025 Q1
5 quarters
CBSH icon
629
Commerce Bancshares
CBSH
$7.99B
$40.5M 0.03%
702,104
+214,036
+44% +$11.2M
2024 Q1
9 quarters
BNL icon
630
Broadstone Net Lease
BNL
$3.48B
$40.4M 0.03%
1,956,029
-366,982
-16% -$7.4M
2025 Q1
5 quarters
CUBE icon
631
CubeSmart
CUBE
$8.78B
$40.3M 0.03%
1,013,798
-889,014
-47% -$35.4M
2025 Q2
4 quarters
SPXC icon
632
SPX Corp
SPXC
$8.32B
$40.3M 0.03%
164,355
+87,416
+114% +$19.1M
2022 Q4
14 quarters
ADTN icon
633
Adtran
ADTN
$514M
$40.3M 0.03%
2,896,353
+1,772,829
+158% +$27.7M
2023 Q4
10 quarters
SVM icon
634
Silvercorp Metals
SVM
$2.16B
$40.2M 0.03%
3,980,779
-453,869
-10% -$5.48M
2020 Q4
22 quarters
WSO icon
635
Watsco Inc
WSO
$12.2B
$39.9M 0.03%
95,682
-204,414
-68% -$82.2M
2025 Q2
4 quarters
BOX icon
636
Box
BOX
$5.43B
$39.9M 0.03%
1,501,681
+240,952
+19% +$6.01M
2021 Q4
18 quarters
IWF icon
637
iShares Russell 1000 Growth ETF
IWF
$124B
$39.9M 0.03%
320,960
-2,455,680
-88% -$296M
2023 Q2
12 quarters
MGEE icon
638
MGE Energy Inc
MGEE
$2.73B
$39.7M 0.03%
486,961
+317,887
+188% +$24.6M
2023 Q3
11 quarters
PHM icon
639
Pultegroup
PHM
$21.6B
$39.7M 0.03%
289,291
+266,384
+1,163% +$32.4M
2025 Q4
2 quarters
EPC icon
640
Edgewell Personal Care
EPC
$1.29B
$39.7M 0.03%
1,476,356
+260,364
+21% +$5.55M
2023 Q2
12 quarters
JAN icon
641
Janus Living Inc
JAN
$6.81B
$39.5M 0.03%
+1,375,724
New +$35.7M
2026 Q2
0 quarters
LEU icon
642
Centrus Energy
LEU
$2.35B
$39.5M 0.03%
235,301
+100,527
+75% +$18.8M
2024 Q3
7 quarters
CNA icon
643
CNA Financial
CNA
$13B
$39.5M 0.03%
811,624
-70,411
-8% -$3.2M
2023 Q3
11 quarters
GPRE icon
644
Green Plains
GPRE
$1.01B
$39.3M 0.03%
2,554,127
+205,512
+9% +$3.27M
2022 Q4
14 quarters
PLTR icon
645
PUT
Palantir
PLTR
$447B
$39.2M 0.03%
335,800
+134,500
+67% +$18.3M
2025 Q3
3 quarters
BRKRP icon
646
Bruker Corporation 6.375% Series A Preferred Stock
BRKRP
$1.12B
$39.2M 0.03%
87,431
+30,975
+55% +$11.2M
2026 Q1
1 quarter
GOOGL icon
647
PUT
Alphabet (Google) Class A
GOOGL
$4.17T
$38.9M 0.03%
108,900
-80,200
-42% -$28.9M
2025 Q3
3 quarters
INFY icon
648
Infosys
INFY
$49.6B
$38.9M 0.03%
3,709,573
+3,667,873
+8,796% +$45.9M
2026 Q1
1 quarter
DX icon
649
Dynex Capital
DX
$2.71B
$38.9M 0.03%
2,965,239
+1,015,561
+52% +$13.4M
2025 Q1
5 quarters
XIFR icon
650
XPLR Infrastructure LP
XIFR
$937M
$38.8M 0.03%
3,283,852
+733,614
+29% +$8.2M
2025 Q1
5 quarters

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John Overdeck's Q2 2026 Portfolio in Review

As of Q2 2026, John Overdeck held 5,589 positions worth $138B, up 11% from $124B the previous quarter. Its ten largest holdings account for 8.3% of the portfolio.

John Overdeck withdrew a net $5.38B in Q2 2026, closing 572 positions and reducing 1,756 holdings. Its most notable exit was State Street Technology Select Sector SPDR ETF, an estimated $172M position sold in full.

By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 19% a quarter earlier, followed by Financials and Miscellaneous.

Against the trend, John Overdeck opened a new position in Intuit worth $564M.

  • John Overdeck's largest Q2 2026 buy was Intuit: 2,161,507 shares worth $564M.
  • John Overdeck added most to Boston Scientific in Q2 2026, an estimated $540M increase.
  • John Overdeck's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $1.32B.
  • John Overdeck fully exited State Street Technology Select Sector SPDR ETF in Q2 2026, selling an estimated $172M.
  • John Overdeck's ten largest holdings make up 8.3% of its $138B portfolio in Q2 2026.
  • John Overdeck opened 1,050 new positions and closed 572 in Q2 2026.
  • John Overdeck's portfolio value rose 11% quarter-over-quarter to $138B.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.