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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 | |
|---|---|---|---|---|---|---|---|
1626
Artisan Partners
APAM
$2.34B
| $8.06M | 0.01% |
233,307
-21,665
| -8% | -$797K |
2023 Q2
12 quarters
|
|
1627
Nutrien
NTR
$32.9B
| $8.03M | 0.01% |
127,631
+36,431
| +40% | +$2.55M |
2023 Q4
10 quarters
|
|
1628
Regenxbio
RGNX
$488M
| $8.02M | 0.01% |
669,808
+114,916
| +21% | +$954K |
2023 Q3
11 quarters
|
|
1629
State Street SPDR Portfolio S&P 400 Mid Cap ETF
SPMD
$18.4B
| $8.01M | 0.01% |
+118,600
| New | +$7.63M |
2026 Q2
0 quarters
|
|
1630
Camden National
CAC
$961M
| $8M | 0.01% |
147,526
+30,158
| +26% | +$1.51M |
2021 Q1
21 quarters
|
|
1631
NVE Corp
NVEC
$494M
| $7.99M | 0.01% |
76,384
-3,226
| -4% | -$294K |
2025 Q2
4 quarters
|
|
1632
Neptune Insurance Holdings
NP
$4.05B
| $7.98M | 0.01% |
253,351
+197,374
| +353% | +$5.35M |
2025 Q4
2 quarters
|
|
1633
PPG Industries
PPG
$24.1B
| $7.97M | 0.01% |
65,687
-195,690
| -75% | -$21.8M |
2025 Q3
3 quarters
|
|
1634
Trustmark
TRMK
$2.64B
| $7.96M | 0.01% |
172,998
-222,704
| -56% | -$9.9M |
2025 Q1
5 quarters
|
|
1635
PUT
EchoStar
ECHO
$25.1B
| $7.96M | 0.01% |
78,400
+43,700
| +126% | +$5.34M |
2025 Q3
3 quarters
|
|
1636
Pfizer
PFE
$172B
| $7.95M | 0.01% |
330,300
+118,200
| +56% | +$3.09M |
2025 Q3
3 quarters
|
|
1637
SoFi Technologies
SOFI
$19B
| $7.95M | 0.01% |
443,247
-1,045,043
| -70% | -$17.7M |
2024 Q3
7 quarters
|
|
1638
Industrial Logistics Properties Trust
ILPT
$464M
| $7.94M | 0.01% |
895,018
+277,349
| +45% | +$2.15M |
2023 Q4
10 quarters
|
|
1639
Invesco S&P 500 Revenue ETF
RWL
$10.2B
| $7.93M | 0.01% |
+62,100
| New | +$7.71M |
2026 Q2
0 quarters
|
|
1640
PUT
Silicon Motion
SIMO
$7.25B
| $7.93M | 0.01% |
23,800
+20,100
| +543% | +$4.66M |
2025 Q4
2 quarters
|
|
1641
Hershey
HSY
$34.1B
| $7.92M | 0.01% |
45,163
-1,930,042
| -98% | -$364M |
2022 Q2
16 quarters
|
|
1642
Danaos Corp
DAC
$2.87B
| $7.92M | 0.01% |
64,716
-32,111
| -33% | -$4.01M |
2023 Q2
12 quarters
|
|
1643
Monro
MNRO
$448M
| $7.92M | 0.01% |
462,650
+90,126
| +24% | +$1.48M |
2025 Q4
2 quarters
|
|
1644
Anavex Life Sciences
AVXL
$126M
| $7.89M | 0.01% |
3,046,538
-201,350
| -6% | -$596K |
2022 Q1
17 quarters
|
|
1645
BrightSpring Health Services
BTSG
$12.4B
| $7.89M | 0.01% |
113,140
-41,471
| -27% | -$2.3M |
2024 Q3
7 quarters
|
|
1646
Skywest
SKYW
$3.59B
| $7.89M | 0.01% |
79,386
-87,407
| -52% | -$7.78M |
2025 Q3
3 quarters
|
|
1647
Armour Residential REIT
ARR
$1.79B
| $7.85M | 0.01% |
450,132
-117,087
| -21% | -$2.01M |
2024 Q2
8 quarters
|
|
|
1648
CALL
Micron Technology
MU
$1.01T
| $7.85M | 0.01% |
6,800
-2,200
| -24% | -$1.65M |
2025 Q3
3 quarters
|
|
1649
iShares S&P Mid-Cap 400 Growth ETF
IJK
$10.5B
| $7.85M | 0.01% |
+66,800
| New | +$7.42M |
2026 Q2
0 quarters
|
|
1650
PagerDuty
PD
$1.33B
| $7.84M | 0.01% |
812,861
-568,836
| -41% | -$4.31M |
2019 Q4
26 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.