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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
+649.67%
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 | |
|---|---|---|---|---|---|---|---|
3326
CALL
Carpenter Technology
CRS
$18.2B
| $1.3M | ﹤0.01% |
2,100
+200
| +11% | +$94.2K |
2025 Q4
2 quarters
|
|
3327
CALL
SharkNinja
SN
$27.8B
| $1.29M | ﹤0.01% |
8,500
+2,500
| +42% | +$299K |
2026 Q1
1 quarter
|
|
|
3328
CALL
Boston Scientific
BSX
$64.5B
| $1.29M | ﹤0.01% |
+30,300
| New | +$1.65M |
2026 Q2
0 quarters
|
|
3329
CALL
Nucor
NUE
$60B
| $1.29M | ﹤0.01% |
5,800
-3,600
| -38% | -$815K |
2025 Q4
2 quarters
|
|
3330
Shattuck Labs
STTK
$560M
| $1.29M | ﹤0.01% |
185,947
-130,065
| -41% | -$811K |
2024 Q1
9 quarters
|
|
3331
Dentsply Sirona
XRAY
$1.81B
| $1.29M | ﹤0.01% |
121,578
+22,243
| +22% | +$243K |
2026 Q1
1 quarter
|
|
3332
Perrigo
PRGO
$2.21B
| $1.29M | ﹤0.01% |
124,021
-22,652
| -15% | -$249K |
2025 Q4
2 quarters
|
|
3333
PUT
Shake Shack
SHAK
$2.74B
| $1.29M | ﹤0.01% |
23,000
+15,000
| +188% | +$1.13M |
2022 Q3
15 quarters
|
|
3334
PUT
Paychex
PAYX
$40B
| $1.29M | ﹤0.01% |
13,100
+400
| +3% | +$37.9K |
2026 Q1
1 quarter
|
|
3335
Penske Automotive Group
PAG
$13.9B
| $1.29M | ﹤0.01% |
7,197
-57,239
| -89% | -$9.6M |
2022 Q4
14 quarters
|
|
3336
CALL
Motorola Solutions
MSI
$77.4B
| $1.29M | ﹤0.01% |
3,100
-300
| -9% | -$126K |
2025 Q4
2 quarters
|
|
3337
Galaxy Digital Inc
GLXY
$3.29B
| $1.29M | ﹤0.01% |
47,065
-5,300
| -10% | -$148K |
2025 Q4
2 quarters
|
|
3338
CALL
Halliburton
HAL
$28.3B
| $1.29M | ﹤0.01% |
37,900
-4,700
| -11% | -$184K |
2025 Q4
2 quarters
|
|
3339
PUT
Cummins
CMI
$74.6B
| $1.28M | ﹤0.01% |
1,800
-200
| -10% | -$132K |
2026 Q1
1 quarter
|
|
3340
PUT
Freeport-McMoran
FCX
$98.9B
| $1.28M | ﹤0.01% |
20,400
-52,600
| -72% | -$3.38M |
2025 Q4
2 quarters
|
|
3341
PUT
TG Therapeutics
TGTX
$8.14B
| $1.28M | ﹤0.01% |
+23,300
| New | +$954K |
2026 Q2
0 quarters
|
|
3342
Beazer Homes USA
BZH
| $1.28M | ﹤0.01% |
45,585
-71,243
| -61% | -$1.68M |
2020 Q2
24 quarters
|
|
3343
Masco
MAS
$14.7B
| $1.27M | ﹤0.01% |
15,636
-26,800
| -63% | -$1.87M |
2023 Q3
11 quarters
|
|
3344
CALL
Deere & Co
DE
$172B
| $1.27M | ﹤0.01% |
2,000
-1,000
| -33% | -$579K |
2025 Q4
2 quarters
|
|
|
3345
PUT
Deere & Co
DE
$172B
| $1.27M | ﹤0.01% |
2,000
-1,200
| -38% | -$695K |
2025 Q4
2 quarters
|
|
3346
Century Aluminum
CENX
$3.42B
| $1.27M | ﹤0.01% |
+27,571
| New | +$1.66M |
2026 Q2
0 quarters
|
|
3347
Hyster-Yale Materials Handling
HY
$534M
| $1.27M | ﹤0.01% |
36,172
+1,219
| +3% | +$44.3K |
2024 Q2
8 quarters
|
|
3348
Invesco S&P SmallCap 600 Pure Value ETF
RZV
$280M
| $1.27M | ﹤0.01% |
+8,500
| New | +$1.17M |
2026 Q2
0 quarters
|
|
3349
Revvity
RVTY
$17.5B
| $1.27M | ﹤0.01% |
+11,386
| New | +$1.1M |
2026 Q2
0 quarters
|
|
3350
CALL
Kratos Defense & Security Solutions
KTOS
$7.27B
| $1.27M | ﹤0.01% |
25,400
-7,600
| -23% | -$460K |
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.