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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
+649.66%
AUM
$138B
AUM Growth
+$14.2B
(+11%)
Cap. Flow
-$5.38B
Cap. Flow % of AUM
Cap. Flow %
-3.9%
Top 10 Holdings %
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 |
Intuit
INTU
|
+$753M |
| 2 |
Boston Scientific
BSX
|
+$540M |
| 3 |
Dow Inc
DOW
|
+$485M |
| 4 |
Wells Fargo
WFC
|
+$457M |
| 5 |
Goldman Sachs
GS
|
+$378M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Micron Technology
MU
|
+$1.32B |
| 2 |
NVIDIA
NVDA
|
+$1.02B |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$787M |
| 4 |
Sandisk
SNDK
|
+$744M |
| 5 |
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 | |
|---|---|---|---|---|---|---|---|
2651
Apogee Acquisition Corp
AACP
$237M
| $2.71M | ﹤0.01% |
+271,875
| New | +$2.71M |
2026 Q2
0 quarters
|
|
2652
CALL
Twilio
TWLO
$39B
| $2.7M | ﹤0.01% |
13,100
+11,100
| +555% | +$1.97M |
2025 Q4
2 quarters
|
|
2653
TGE Value Creative Solutions Corp
BEBE
| $2.7M | ﹤0.01% |
271,875
| – | – |
2026 Q1
1 quarter
|
|
2654
Valmont Industries
VMI
$8.41B
| $2.7M | ﹤0.01% |
4,671
-2,969
| -39% | -$1.49M |
2026 Q1
1 quarter
|
|
2655
Iris Acquisition Corp II
IRAB
$229M
| $2.7M | ﹤0.01% |
271,875
| – | – |
2026 Q1
1 quarter
|
|
2656
ODDITY Tech
ODD
$1.08B
| $2.69M | ﹤0.01% |
178,083
-98,296
| -36% | -$1.32M |
2024 Q2
8 quarters
|
|
2657
Paloma Acquisition Corp I
PALO
$210M
| $2.69M | ﹤0.01% |
+271,875
| New | +$2.69M |
2026 Q2
0 quarters
|
|
2658
Caleres
CAL
$461M
| $2.69M | ﹤0.01% |
217,796
-67,804
| -24% | -$880K |
2025 Q2
4 quarters
|
|
2659
Boeing Co 6.00% Series A Preferred Stock
BA.PRA
$6.73B
| $2.69M | ﹤0.01% |
+40,000
| New | +$2.82M |
2026 Q2
0 quarters
|
|
2660
Sotera Health
SHC
$5.17B
| $2.69M | ﹤0.01% |
151,600
+37,500
| +33% | +$591K |
2025 Q4
2 quarters
|
|
2661
Northeast Community Bancorp
NECB
$396M
| $2.69M | ﹤0.01% |
96,964
+18,409
| +23% | +$457K |
2025 Q3
3 quarters
|
|
2662
SUMA Acquisition Corp
SUMA
| $2.69M | ﹤0.01% |
+271,875
| New | +$2.68M |
2026 Q2
0 quarters
|
|
2663
Lloyds Banking Group
LYG
$77.1B
| $2.67M | ﹤0.01% |
458,500
+46,400
| +11% | +$252K |
2026 Q1
1 quarter
|
|
2664
Corteva
CTVA
$8.58B
| $2.67M | ﹤0.01% |
31,500
-36,000
| -53% | -$2.89M |
2026 Q1
1 quarter
|
|
2665
Jefferson Capital
JCAP
$1.19B
| $2.67M | ﹤0.01% |
136,895
-178,120
| -57% | -$3.32M |
2025 Q2
4 quarters
|
|
2666
Belden
BDC
$4.04B
| $2.67M | ﹤0.01% |
22,226
+3,922
| +21% | +$457K |
2025 Q4
2 quarters
|
|
2667
CALL
Celestica
CLS
$33.9B
| $2.66M | ﹤0.01% |
7,300
-27,100
| -79% | -$10.2M |
2025 Q4
2 quarters
|
|
2668
CALL
EOG Resources
EOG
$82.9B
| $2.66M | ﹤0.01% |
20,500
+17,500
| +583% | +$2.38M |
2026 Q1
1 quarter
|
|
2669
Sysco
SYY
$41.3B
| $2.66M | ﹤0.01% |
+31,798
| New | +$2.41M |
2026 Q2
0 quarters
|
|
2670
Davis Select US Equity ETF
DUSA
$1.28B
| $2.66M | ﹤0.01% |
+47,300
| New | +$2.6M |
2026 Q2
0 quarters
|
|
2671
Nelnet
NNI
$4.5B
| $2.66M | ﹤0.01% |
19,926
+14,188
| +247% | +$1.88M |
2025 Q3
3 quarters
|
|
2672
Harvard Ave Acquisition Corp
HAVA
$212M
| $2.65M | ﹤0.01% |
262,812
| – | – |
2025 Q4
2 quarters
|
|
2673
BayCom
BCML
$348M
| $2.65M | ﹤0.01% |
80,566
+47,683
| +145% | +$1.46M |
2022 Q1
17 quarters
|
|
2674
DELISTED
Webster Financial
WBS
| $2.65M | ﹤0.01% |
+34,676
| New | +$2.52M |
2026 Q2
0 quarters
|
|
2675
Oneok
OKE
$59.2B
| $2.65M | ﹤0.01% |
30,440
| – | – |
2025 Q4
2 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.