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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 | |
|---|---|---|---|---|---|---|---|
3051
CALL
SolarEdge
SEDG
$2.03B
| $1.74M | ﹤0.01% |
29,700
+15,700
| +112% | +$823K |
2026 Q1
1 quarter
|
|
3052
Dolby
DLB
$5.91B
| $1.73M | ﹤0.01% |
+32,979
| New | +$1.89M |
2026 Q2
0 quarters
|
|
3053
CBRE Group
CBRE
$38.1B
| $1.73M | ﹤0.01% |
+12,874
| New | +$1.77M |
2026 Q2
0 quarters
|
|
3054
PUT
Cheesecake Factory
CAKE
$5.6B
| $1.73M | ﹤0.01% |
21,800
+5,500
| +34% | +$356K |
2025 Q4
2 quarters
|
|
3055
CALL
Rocket Companies
RKT
$33.3B
| $1.73M | ﹤0.01% |
110,000
-91,900
| -46% | -$1.32M |
2025 Q3
3 quarters
|
|
3056
Merchants Bancorp
MBIN
$2.26B
| $1.73M | ﹤0.01% |
34,621
-7,000
| -17% | -$332K |
2025 Q2
4 quarters
|
|
3057
PUT
RTX Corp
RTX
$262B
| $1.73M | ﹤0.01% |
+9,100
| New | +$1.67M |
2026 Q2
0 quarters
|
|
3058
Vanguard S&P Mid-Cap 400 Growth ETF
IVOG
$1.64B
| $1.73M | ﹤0.01% |
+11,800
| New | +$1.63M |
2026 Q2
0 quarters
|
|
3059
CALL
ConocoPhillips
COP
$175B
| $1.73M | ﹤0.01% |
16,600
+8,000
| +93% | +$948K |
2025 Q3
3 quarters
|
|
3060
Kulicke & Soffa
KLIC
$3.85B
| $1.73M | ﹤0.01% |
12,900
-120,320
| -90% | -$11.8M |
2022 Q3
15 quarters
|
|
3061
PUT
Target
TGT
$71.7B
| $1.72M | ﹤0.01% |
13,200
-56,500
| -81% | -$7.18M |
2025 Q4
2 quarters
|
|
3062
CALL
Madrigal Pharmaceuticals
MDGL
$10.5B
| $1.72M | ﹤0.01% |
+3,200
| New | +$1.64M |
2026 Q2
0 quarters
|
|
3063
Sonida Senior Living
SNDA
$1.63B
| $1.72M | ﹤0.01% |
42,112
+30,189
| +253% | +$1.08M |
2026 Q1
1 quarter
|
|
3064
PUT
Blackstone
BX
$94.4B
| $1.72M | ﹤0.01% |
+14,600
| New | +$1.75M |
2026 Q2
0 quarters
|
|
3065
United Fire Group
UFCS
$1.48B
| $1.71M | ﹤0.01% |
32,700
-63,446
| -66% | -$2.82M |
2023 Q2
12 quarters
|
|
3066
IHS Holding
IHS
$2.86B
| $1.7M | ﹤0.01% |
206,700
-2,242,756
| -92% | -$18.5M |
2024 Q3
7 quarters
|
|
3067
CALL
NextEra Energy
NEE
$171B
| $1.7M | ﹤0.01% |
+19,400
| New | +$1.75M |
2026 Q2
0 quarters
|
|
3068
Tecnoglass Holdings
TGLS
$1.72B
| $1.7M | ﹤0.01% |
36,353
+23,473
| +182% | +$1.01M |
2021 Q4
18 quarters
|
|
3069
CALL
The Mosaic Company
MOS
$5.47B
| $1.7M | ﹤0.01% |
+80,300
| New | +$1.86M |
2026 Q2
0 quarters
|
|
3070
Match Group
MTCH
$10.5B
| $1.7M | ﹤0.01% |
44,700
-18,700
| -29% | -$663K |
2026 Q1
1 quarter
|
|
3071
Espey Mfg & Electronics Corp
ESP
$146M
| $1.69M | ﹤0.01% |
25,151
-922
| -4% | -$58.5K |
2025 Q3
3 quarters
|
|
3072
iShares US Energy ETF
IYE
$1.79B
| $1.69M | ﹤0.01% |
+29,900
| New | +$1.81M |
2026 Q2
0 quarters
|
|
3073
AudioCodes
AUDC
$271M
| $1.69M | ﹤0.01% |
174,741
+46,744
| +37% | +$427K |
2022 Q4
14 quarters
|
|
3074
PUT
Targa Resources
TRGP
$62.2B
| $1.69M | ﹤0.01% |
6,300
+4,800
| +320% | +$1.23M |
2026 Q1
1 quarter
|
|
3075
PUT
Moderna
MRNA
$82.3B
| $1.69M | ﹤0.01% |
24,100
-40,900
| -63% | -$2.12M |
2025 Q3
3 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.