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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 | |
|---|---|---|---|---|---|---|---|
76
Valero Energy
VLO
$128B
| $334M | 0.24% |
1,283,485
+592,325
| +86% | +$146M |
2022 Q2
16 quarters
|
|
77
Fortinet
FTNT
$124B
| $334M | 0.24% |
2,171,408
+1,047,009
| +93% | +$121M |
2022 Q4
14 quarters
|
|
78
Rivian
RIVN
$18B
| $333M | 0.24% |
19,178,109
+9,624,687
| +101% | +$150M |
2025 Q1
5 quarters
|
|
79
HubSpot
HUBS
$11.5B
| $332M | 0.24% |
1,819,744
+475,123
| +35% | +$99.3M |
2016 Q2
40 quarters
|
|
80
PG&E
PCG
$39.3B
| $328M | 0.24% |
19,512,052
+12,454,879
| +176% | +$210M |
2024 Q4
6 quarters
|
|
81
Mercado Libre
MELI
$93B
| $318M | 0.23% |
187,255
+158,439
| +550% | +$271M |
2023 Q1
13 quarters
|
|
82
Marathon Petroleum
MPC
$134B
| $317M | 0.23% |
1,239,241
-285,045
| -19% | -$70M |
2024 Q4
6 quarters
|
|
83
L3Harris
LHX
$46.3B
| $312M | 0.23% |
1,075,122
+468,735
| +77% | +$149M |
2023 Q1
13 quarters
|
|
84
State Street Energy Select Sector SPDR ETF
XLE
$43.9B
| $309M | 0.22% |
+5,819,502
| New | +$333M |
2026 Q2
0 quarters
|
|
85
CarMax
KMX
$7.57B
| $308M | 0.22% |
5,831,970
+484,873
| +9% | +$21.1M |
2022 Q4
14 quarters
|
|
86
Verisk Analytics
VRSK
$24.8B
| $308M | 0.22% |
1,717,969
+142,556
| +9% | +$25.1M |
2022 Q3
15 quarters
|
|
87
Trade Desk
TTD
$5.78B
| $308M | 0.22% |
17,050,857
+2,889,536
| +20% | +$61.4M |
2024 Q1
9 quarters
|
|
88
Hormel Foods
HRL
$11.2B
| $306M | 0.22% |
12,325,712
+338,984
| +3% | +$7.54M |
2023 Q4
10 quarters
|
|
89
SpaceX
SPCX
$1.92T
| $303M | 0.22% |
+1,775,121
| New | +$302M |
2026 Q2
0 quarters
|
|
90
iShares Biotechnology ETF
IBB
$10.3B
| $302M | 0.22% |
1,588,107
+1,030,300
| +185% | +$177M |
2025 Q3
3 quarters
|
|
91
RBC Bearings
RBC
$15.8B
| $301M | 0.22% |
467,098
+182,011
| +64% | +$108M |
2023 Q2
12 quarters
|
|
92
Solstice Advanced Materials
SOLS
$9.41B
| $297M | 0.22% |
3,355,801
+905,732
| +37% | +$74.7M |
2025 Q4
2 quarters
|
|
93
Waste Management
WM
$90.7B
| $297M | 0.22% |
1,333,794
-705,400
| -35% | -$157M |
2014 Q1
49 quarters
|
|
94
DigitalOcean
DOCN
$11.6B
| $296M | 0.21% |
1,886,632
+1,697,290
| +896% | +$230M |
2026 Q1
1 quarter
|
|
95
GoDaddy
GDDY
$13.4B
| $296M | 0.21% |
3,485,477
-34,370
| -1% | -$2.9M |
2022 Q4
14 quarters
|
|
96
Insulet
PODD
$9.8B
| $290M | 0.21% |
1,903,734
+1,141,385
| +150% | +$190M |
2024 Q1
9 quarters
|
|
97
Molina Healthcare
MOH
$10.8B
| $290M | 0.21% |
1,266,338
-84,357
| -6% | -$15.3M |
2024 Q4
6 quarters
|
|
98
Five Below
FIVE
$12.3B
| $289M | 0.21% |
1,605,648
+171,403
| +12% | +$36.9M |
2024 Q3
7 quarters
|
|
99
Super Micro Computer
SMCI
$20.8B
| $287M | 0.21% |
9,783,845
+8,876,913
| +979% | +$283M |
2024 Q4
6 quarters
|
|
100
TeraWulf
WULF
$5.83B
| $284M | 0.21% |
11,495,860
+3,658,763
| +47% | +$84.1M |
2023 Q4
10 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.