John Overdeck Two Sigma Investments
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.
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 |
SNDK
Sandisk
SNDK
|
+$744M |
| 5 |
Dell
DELL
|
+$688M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 19.71% |
| 2 | Financials | 15.22% |
| 3 | Healthcare | 11.94% |
| 4 | Industrials | 11.55% |
| 5 | Consumer Discretionary | 9.6% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2076
VictoryShares US Small Mid Cap Value Momentum ETF
USVM
$1.79B
| $4.99M | ﹤0.01% |
45,400
-6,600
| -13% | -$682K |
|
2077
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$14.7B
| $4.98M | ﹤0.01% |
51,690
+22,790
| +79% | +$2.18M |
|
2078
Pembina Pipeline
PBA
$28.3B
| $4.98M | ﹤0.01% |
107,676
+9,597
| +10% | +$444K |
|
2079
Northrim BanCorp
NRIM
$574M
| $4.97M | ﹤0.01% |
179,293
-57,272
| -24% | -$1.42M |
|
2080
Yum China
YUMC
$16.9B
| $4.97M | ﹤0.01% |
121,637
+63,987
| +111% | +$2.93M |
|
2081
Cullinan Oncology
CGEM
$1.4B
| $4.96M | ﹤0.01% |
272,581
-249,466
| -48% | -$3.7M |
|
2082
McCormick & Company Non-Voting
MKC
$14.9B
| $4.96M | ﹤0.01% |
98,429
-374,431
| -79% | -$18.4M |
|
|
JBGS
2083
JBG SMITH
JBGS
$732M
| $4.96M | ﹤0.01% |
337,939
+154,736
| +84% | +$2.29M |
|
2084
SiTime
SITM
$18.5B
| $4.95M | ﹤0.01% |
+6,644
| New | +$4.19M |
|
2085
PUT
Lucid Motors
LCID
$2.17B
| $4.95M | ﹤0.01% |
740,400
+214,100
| +41% | +$1.38M |
|
2086
KB Financial Group
KB
$41.4B
| $4.95M | ﹤0.01% |
47,192
-151,278
| -76% | -$16M |
|
2087
Bumble
BMBL
$370M
| $4.95M | ﹤0.01% |
1,547,247
-1,079,739
| -41% | -$3.69M |
|
2088
First Trust Energy AlphaDEX Fund
FXN
$405M
| $4.95M | ﹤0.01% |
244,642
+205,100
| +519% | +$4.41M |
|
|
SILA
2089
DELISTED
Sila Realty Trust
SILA
| $4.94M | ﹤0.01% |
162,777
+69,577
| +75% | +$2.03M |
|
2090
Aspen Aerogels
ASPN
$430M
| $4.94M | ﹤0.01% |
779,468
+338,032
| +77% | +$1.66M |
|
2091
NewtekOne
NEWT
$362M
| $4.93M | ﹤0.01% |
332,802
+93,644
| +39% | +$1.24M |
|
2092
Lantronix
LTRX
$267M
| $4.93M | ﹤0.01% |
838,158
+313,756
| +60% | +$2.01M |
|
2093
SBA Communications
SBAC
$19.4B
| $4.93M | ﹤0.01% |
27,917
-454,727
| -94% | -$93.8M |
|
2094
Bio-Techne
TECH
$11.3B
| $4.92M | ﹤0.01% |
69,625
+3,525
| +5% | +$190K |
|
|
BAI
2095
iShares A.I. Innovation and Tech Active ETF
BAI
$13.7B
| $4.9M | ﹤0.01% |
+93,000
| New | +$4.22M |
|
2096
Brinker International
EAT
$10.6B
| $4.9M | ﹤0.01% |
29,163
+19,353
| +197% | +$2.86M |
|
2097
PUT
Enphase Energy
ENPH
$5.1B
| $4.9M | ﹤0.01% |
99,500
+2,600
| +3% | +$118K |
|
2098
CALL
Rivian
RIVN
$24.6B
| $4.89M | ﹤0.01% |
281,600
+34,900
| +14% | +$544K |
|
2099
Fidelity National Information Services
FIS
$21.3B
| $4.88M | ﹤0.01% |
+125,399
| New | +$5.43M |
|
2100
Allegiant Air
ALGT
$2.24B
| $4.88M | ﹤0.01% |
41,457
-30,514
| -42% | -$2.64M |
|
Similar funds
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 $4.38B 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 Healthcare.
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.