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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 | |
|---|---|---|---|---|---|---|---|
176
Occidental Petroleum
OXY
$62.4B
| $174M | 0.13% |
3,576,936
+28,311
| +0.8% | +$1.61M |
2023 Q4
10 quarters
|
|
177
Southern Copper
SCCO
$169B
| $173M | 0.13% |
1,003,878
+143,498
| +17% | +$25.8M |
2023 Q2
12 quarters
|
|
178
argenx
ARGX
$51.5B
| $172M | 0.12% |
185,638
+76,517
| +70% | +$63.1M |
2025 Q1
5 quarters
|
|
179
Portland General Electric
POR
$5.19B
| $170M | 0.12% |
3,275,901
+234,982
| +8% | +$11.9M |
2023 Q1
13 quarters
|
|
180
Royal Bank of Canada
RY
$274B
| $170M | 0.12% |
819,618
+88,027
| +12% | +$16.3M |
2025 Q2
4 quarters
|
|
181
Datadog
DDOG
$88.7B
| $169M | 0.12% |
649,467
+525,824
| +425% | +$97.7M |
2022 Q4
14 quarters
|
|
182
Veeva Systems
VEEV
$50.3B
| $167M | 0.12% |
943,507
-880,492
| -48% | -$145M |
2020 Q3
23 quarters
|
|
183
Canadian National Railway
CNI
$73.6B
| $167M | 0.12% |
1,398,413
+974,828
| +230% | +$111M |
2024 Q2
8 quarters
|
|
184
Axsome Therapeutics
AXSM
$8.23B
| $164M | 0.12% |
669,478
+346,700
| +107% | +$75.2M |
2025 Q3
3 quarters
|
|
185
Super Micro Computer Depositary Shares 7% Series A Preferred Stock
SMCIP
$4.1B
| $164M | 0.12% |
+3,153,643
| New | +$169M |
2026 Q2
0 quarters
|
|
186
Royalty Pharma
RPRX
$27.1B
| $164M | 0.12% |
2,920,163
+668,638
| +30% | +$34.8M |
2021 Q4
18 quarters
|
|
187
UiPath
PATH
$6.7B
| $163M | 0.12% |
15,034,443
+11,475,054
| +322% | +$123M |
2021 Q3
19 quarters
|
|
188
Arista Networks
ANET
$223B
| $162M | 0.12% |
955,255
-2,803,024
| -75% | -$440M |
2023 Q4
10 quarters
|
|
189
Automatic Data Processing
ADP
$114B
| $161M | 0.12% |
720,106
-562,131
| -44% | -$120M |
2026 Q1
1 quarter
|
|
190
Jefferies Financial Group
JEF
$10.3B
| $160M | 0.12% |
3,205,077
+380,024
| +13% | +$19.6M |
2023 Q3
11 quarters
|
|
191
Tower Semiconductor
TSEM
$22.1B
| $159M | 0.12% |
611,924
+602,324
| +6,274% | +$144M |
2025 Q4
2 quarters
|
|
192
Solaris Energy Infrastructure
SEI
$4.13B
| $159M | 0.12% |
1,979,861
+38,315
| +2% | +$2.74M |
2022 Q1
17 quarters
|
|
193
Sterling Infrastructure
STRL
$13B
| $159M | 0.11% |
189,003
+176,225
| +1,379% | +$124M |
2022 Q1
17 quarters
|
|
194
Barrick Mining
B
$67.2B
| $158M | 0.11% |
4,311,385
-3,012,451
| -41% | -$123M |
2024 Q1
9 quarters
|
|
195
State Street SPDR S&P Oil & Gas Exploration & Production ETF
XOP
$4.32B
| $158M | 0.11% |
1,025,389
+590,265
| +136% | +$98.8M |
2025 Q3
3 quarters
|
|
196
Kodiak Gas Services
KGS
$4.77B
| $158M | 0.11% |
2,103,821
+306,833
| +17% | +$20.9M |
2023 Q2
12 quarters
|
|
197
Unum
UNM
$14.6B
| $157M | 0.11% |
1,759,799
+235,071
| +15% | +$19.5M |
2018 Q2
32 quarters
|
|
198
Aflac
AFL
$60.1B
| $157M | 0.11% |
1,340,935
+862,200
| +180% | +$99.3M |
2025 Q2
4 quarters
|
|
199
Tyson Foods
TSN
$19.3B
| $155M | 0.11% |
2,713,810
+657,937
| +32% | +$41.2M |
2023 Q2
12 quarters
|
|
200
Alphabet Inc Depositary Shares Series B Preferred Stock
GOOGN
| $155M | 0.11% |
+3,081,123
| New | +$154M |
2026 Q2
0 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.