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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 | |
|---|---|---|---|---|---|---|---|
2076
VictoryShares US Small Mid Cap Value Momentum ETF
USVM
$1.77B
| $4.99M | ﹤0.01% |
45,400
-6,600
| -13% | -$682K |
2025 Q4
2 quarters
|
|
2077
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$12.6B
| $4.98M | ﹤0.01% |
51,690
+22,790
| +79% | +$2.18M |
2026 Q1
1 quarter
|
|
2078
Pembina Pipeline
PBA
$29.5B
| $4.98M | ﹤0.01% |
107,676
+9,597
| +10% | +$444K |
2025 Q1
5 quarters
|
|
2079
Northrim BanCorp
NRIM
$526M
| $4.97M | ﹤0.01% |
179,293
-57,272
| -24% | -$1.42M |
2016 Q1
41 quarters
|
|
2080
Yum China
YUMC
$15B
| $4.97M | ﹤0.01% |
121,637
+63,987
| +111% | +$2.93M |
2026 Q1
1 quarter
|
|
2081
Cullinan Oncology
CGEM
$958M
| $4.96M | ﹤0.01% |
272,581
-249,466
| -48% | -$3.7M |
2025 Q3
3 quarters
|
|
2082
McCormick & Company Non-Voting
MKC
$12.5B
| $4.96M | ﹤0.01% |
98,429
-374,431
| -79% | -$18.4M |
2024 Q4
6 quarters
|
|
2083
JBG SMITH
JBGS
$627M
| $4.96M | ﹤0.01% |
337,939
+154,736
| +84% | +$2.29M |
2025 Q4
2 quarters
|
|
2084
SiTime
SITM
$15.3B
| $4.95M | ﹤0.01% |
+6,644
| New | +$4.19M |
2026 Q2
0 quarters
|
|
2085
PUT
Lucid Motors
LCID
$1.26B
| $4.95M | ﹤0.01% |
740,400
+214,100
| +41% | +$1.38M |
2025 Q4
2 quarters
|
|
2086
KB Financial Group
KB
$42.2B
| $4.95M | ﹤0.01% |
47,192
-151,278
| -76% | -$16M |
2023 Q3
11 quarters
|
|
2087
Bumble
BMBL
$785M
| $4.95M | ﹤0.01% |
1,547,247
-1,079,739
| -41% | -$3.69M |
2024 Q4
6 quarters
|
|
2088
First Trust Energy AlphaDEX Fund
FXN
$387M
| $4.95M | ﹤0.01% |
244,642
+205,100
| +519% | +$4.41M |
2026 Q1
1 quarter
|
|
|
SILA
2089
DELISTED
Sila Realty Trust
SILA
| $4.94M | ﹤0.01% |
162,777
+69,577
| +75% | +$2.03M |
2024 Q3
7 quarters
|
|
2090
Aspen Aerogels
ASPN
$467M
| $4.94M | ﹤0.01% |
779,468
+338,032
| +77% | +$1.66M |
2024 Q2
8 quarters
|
|
2091
NewtekOne
NEWT
$323M
| $4.93M | ﹤0.01% |
332,802
+93,644
| +39% | +$1.24M |
2024 Q1
9 quarters
|
|
2092
Lantronix
LTRX
$278M
| $4.93M | ﹤0.01% |
838,158
+313,756
| +60% | +$2.01M |
2023 Q3
11 quarters
|
|
2093
SBA Communications
SBAC
$18.4B
| $4.93M | ﹤0.01% |
27,917
-454,727
| -94% | -$93.8M |
2025 Q4
2 quarters
|
|
2094
Bio-Techne
TECH
$11.4B
| $4.92M | ﹤0.01% |
69,625
+3,525
| +5% | +$190K |
2024 Q2
8 quarters
|
|
2095
iShares A.I. Innovation and Tech Active ETF
BAI
$13.1B
| $4.9M | ﹤0.01% |
+93,000
| New | +$4.22M |
2026 Q2
0 quarters
|
|
2096
Brinker International
EAT
$7.88B
| $4.9M | ﹤0.01% |
29,163
+19,353
| +197% | +$2.86M |
2021 Q3
19 quarters
|
|
2097
PUT
Enphase Energy
ENPH
$4.23B
| $4.9M | ﹤0.01% |
99,500
+2,600
| +3% | +$118K |
2025 Q3
3 quarters
|
|
2098
CALL
Rivian
RIVN
$18B
| $4.89M | ﹤0.01% |
281,600
+34,900
| +14% | +$544K |
2025 Q3
3 quarters
|
|
2099
Fidelity National Information Services
FIS
$18.8B
| $4.88M | ﹤0.01% |
+125,399
| New | +$5.43M |
2026 Q2
0 quarters
|
|
2100
Allegiant Air
ALGT
$1.92B
| $4.88M | ﹤0.01% |
41,457
-30,514
| -42% | -$2.64M |
2025 Q1
5 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.