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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 | |
|---|---|---|---|---|---|---|---|
126
Enphase Energy
ENPH
$4.05B
| $229M | 0.17% |
4,655,692
-820,548
| -15% | -$37.4M |
2024 Q1
9 quarters
|
|
127
Encompass Health
EHC
$12.6B
| $229M | 0.17% |
2,267,668
+45,567
| +2% | +$4.72M |
2024 Q3
7 quarters
|
|
128
Exelixis
EXEL
$15.4B
| $229M | 0.17% |
4,209,861
+2,003,649
| +91% | +$97.6M |
2022 Q4
14 quarters
|
|
129
Incyte
INCY
$22.9B
| $227M | 0.16% |
2,003,559
+1,587,645
| +382% | +$157M |
2022 Q1
17 quarters
|
|
130
Teradyne
TER
$50.8B
| $227M | 0.16% |
469,082
-370,349
| -44% | -$140M |
2023 Q2
12 quarters
|
|
131
Transocean
RIG
$6.28B
| $226M | 0.16% |
46,205,304
-258,432
| -0.6% | -$1.61M |
2024 Q3
7 quarters
|
|
132
Sea Limited
SE
$57.4B
| $225M | 0.16% |
2,345,857
-957,791
| -29% | -$84.2M |
2023 Q4
10 quarters
|
|
133
Otis Worldwide
OTIS
$27.2B
| $225M | 0.16% |
3,138,794
+1,201,358
| +62% | +$89.7M |
2020 Q4
22 quarters
|
|
134
Adobe
ADBE
$95.4B
| $224M | 0.16% |
1,093,171
-2,035,867
| -65% | -$482M |
2022 Q1
17 quarters
|
|
135
Edison International
EIX
$21.5B
| $223M | 0.16% |
2,996,132
+721,265
| +32% | +$51.4M |
2023 Q1
13 quarters
|
|
136
CALL
iShares Russell 2000 ETF
IWM
$76.2B
| $220M | 0.16% |
732,400
+218,900
| +43% | +$61.5M |
2025 Q4
2 quarters
|
|
|
137
PUT
iShares Russell 2000 ETF
IWM
$76.2B
| $220M | 0.16% |
732,400
+215,800
| +42% | +$60.6M |
2025 Q4
2 quarters
|
|
138
Idacorp
IDA
$8B
| $218M | 0.16% |
1,439,828
+89,348
| +7% | +$12.9M |
2023 Q1
13 quarters
|
|
139
PBF Energy
PBF
$10B
| $215M | 0.16% |
4,713,441
+857,535
| +22% | +$35.7M |
2019 Q2
28 quarters
|
|
140
HEICO Corp
HEI
$43.3B
| $214M | 0.16% |
602,031
-199,100
| -25% | -$60.6M |
2021 Q4
18 quarters
|
|
141
Vishay Intertechnology
VSH
$4.25B
| $214M | 0.16% |
3,984,546
+1,748,804
| +78% | +$71.5M |
2022 Q4
14 quarters
|
|
142
Broadcom
AVGO
$1.57T
| $212M | 0.15% |
560,530
-1,664,723
| -75% | -$667M |
2026 Q1
1 quarter
|
|
143
Deckers Outdoor
DECK
$11.7B
| $211M | 0.15% |
2,128,626
+660,950
| +45% | +$69.6M |
2023 Q1
13 quarters
|
|
144
Akamai
AKAM
$12.6B
| $210M | 0.15% |
1,779,895
-31,704
| -2% | -$3.95M |
2022 Q3
15 quarters
|
|
145
Halliburton
HAL
$27.9B
| $209M | 0.15% |
6,164,070
+4,082,315
| +196% | +$160M |
2025 Q1
5 quarters
|
|
146
Intel
INTC
$475B
| $209M | 0.15% |
1,497,690
+1,145,840
| +326% | +$116M |
2024 Q4
6 quarters
|
|
147
Suncor Energy
SU
$91.3B
| $209M | 0.15% |
3,891,461
+1,646,545
| +73% | +$104M |
2017 Q1
37 quarters
|
|
148
VanEck Gold Miners ETF
GDX
$26.3B
| $209M | 0.15% |
2,764,107
+1,915,059
| +226% | +$169M |
2025 Q4
2 quarters
|
|
149
Lumentum
LITE
$74.7B
| $206M | 0.15% |
240,226
-156,551
| -39% | -$140M |
2022 Q4
14 quarters
|
|
150
Broadridge
BR
$19.8B
| $205M | 0.15% |
1,495,045
+1,132,448
| +312% | +$171M |
2024 Q3
7 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.