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 | |
|---|---|---|---|---|---|---|
1776
Evolent Health
EVH
$536M
| $6.85M | 0.01% |
1,263,653
+392,160
| +45% | +$1.5M |
|
1777
N-able
NABL
$686M
| $6.84M | 0.01% |
1,863,171
+740,313
| +66% | +$3.08M |
|
1778
Alto Ingredients
ALTO
$340M
| $6.83M | ﹤0.01% |
1,198,890
-807,870
| -40% | -$4.13M |
|
1779
United Therapeutics
UTHR
$22B
| $6.83M | ﹤0.01% |
12,606
-15,170
| -55% | -$8.54M |
|
1780
Lightwave Logic
LWLG
$954M
| $6.83M | ﹤0.01% |
721,828
+567,520
| +368% | +$6.65M |
|
|
CBL
1781
CBL Properties
CBL
$1.71B
| $6.81M | ﹤0.01% |
128,316
+83,765
| +188% | +$3.88M |
|
1782
Lifeway Foods
LWAY
$392M
| $6.81M | ﹤0.01% |
228,136
+108,507
| +91% | +$2.76M |
|
1783
AES
AES
$10.5B
| $6.79M | ﹤0.01% |
463,400
+396,989
| +598% | +$5.77M |
|
1784
Karyopharm Therapeutics
KPTI
$44.5M
| $6.79M | ﹤0.01% |
695,264
+544,032
| +360% | +$4.72M |
|
1785
BlackSky Technology
BKSY
$1.14B
| $6.79M | ﹤0.01% |
243,270
+195,051
| +405% | +$7.05M |
|
1786
Matador Resources
MTDR
$7.22B
| $6.79M | ﹤0.01% |
+136,375
| New | +$7.75M |
|
1787
Bruker
BRKR
$9.07B
| $6.78M | ﹤0.01% |
112,660
-503,332
| -82% | -$23.5M |
|
1788
GSI Technology
GSIT
$230M
| $6.77M | ﹤0.01% |
875,894
+345,690
| +65% | +$2.75M |
|
1789
PUT
Marathon Digital Holdings
MARA
$4.35B
| $6.76M | ﹤0.01% |
486,400
-1,468,500
| -75% | -$18.4M |
|
|
YSWY
1790
Yesway Inc
YSWY
$786M
| $6.74M | ﹤0.01% |
+332,099
| New | +$7.71M |
|
|
SLDE
1791
Slide Insurance Holdings
SLDE
$2.66B
| $6.72M | ﹤0.01% |
347,009
-116,726
| -25% | -$2.11M |
|
|
ITRG
1792
Integra Resources
ITRG
$578M
| $6.71M | ﹤0.01% |
2,955,037
-107,466
| -4% | -$290K |
|
1793
Sutro Biopharma
STRO
$349M
| $6.7M | ﹤0.01% |
201,688
+136,512
| +209% | +$4.26M |
|
1794
UL Solutions
ULS
$15.2B
| $6.68M | ﹤0.01% |
65,549
-162,374
| -71% | -$15.4M |
|
|
BEAG
1795
Bold Eagle Acquisition Corp
BEAG
$338M
| $6.67M | ﹤0.01% |
625,000
| – | – |
|
1796
Designer Brands
DBI
$292M
| $6.67M | ﹤0.01% |
1,144,570
-355,658
| -24% | -$2.5M |
|
1797
Spire Global
SPIR
$566M
| $6.66M | ﹤0.01% |
357,839
+255,940
| +251% | +$4.76M |
|
1798
JPMorgan Nasdaq Equity Premium Income ETF
JEPQ
$41.4B
| $6.65M | ﹤0.01% |
108,200
-980,500
| -90% | -$58.2M |
|
1799
PUT
Applovin
APP
$102B
| $6.65M | ﹤0.01% |
12,900
-1,900
| -13% | -$917K |
|
1800
OppFi
OPFI
$595M
| $6.65M | ﹤0.01% |
669,257
-427,011
| -39% | -$3.7M |
|
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.