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 | |
|---|---|---|---|---|---|---|
1901
Concentrix
CNXC
$1.55B
| $5.96M | ﹤0.01% |
+265,993
| New | +$6.94M |
|
1902
Ligand Pharmaceuticals
LGND
$5.71B
| $5.95M | ﹤0.01% |
+18,825
| New | +$4.44M |
|
1903
Rigetti Computing
RGTI
$5.98B
| $5.95M | ﹤0.01% |
307,860
-2,478,635
| -89% | -$47.9M |
|
1904
Enerpac Tool Group
EPAC
$1.9B
| $5.94M | ﹤0.01% |
165,622
+1,946
| +1% | +$68.2K |
|
1905
York Water
YORW
$552M
| $5.94M | ﹤0.01% |
193,737
+81,930
| +73% | +$2.46M |
|
1906
Arrow Financial
AROW
$713M
| $5.94M | ﹤0.01% |
144,861
+58,344
| +67% | +$2.16M |
|
1907
Wabash National
WNC
$490M
| $5.93M | ﹤0.01% |
439,085
+91,511
| +26% | +$813K |
|
1908
World Acceptance Corp
WRLD
$878M
| $5.92M | ﹤0.01% |
26,468
-11,807
| -31% | -$1.9M |
|
1909
QuickLogic
QUIK
$210M
| $5.92M | ﹤0.01% |
296,381
+163,753
| +123% | +$2.85M |
|
1910
First American
FAF
$7.33B
| $5.91M | ﹤0.01% |
86,144
-511,963
| -86% | -$34.1M |
|
1911
CALL
Carvana
CVNA
$76.9B
| $5.9M | ﹤0.01% |
89,700
-120,300
| -57% | -$8.51M |
|
|
FVR
1912
FrontView REIT
FVR
$484M
| $5.89M | ﹤0.01% |
+290,934
| New | +$5.24M |
|
1913
Argan
AGX
$7.03B
| $5.88M | ﹤0.01% |
7,360
-16,841
| -70% | -$11.2M |
|
|
AMTM
1914
Amentum Holdings
AMTM
$5.25B
| $5.88M | ﹤0.01% |
284,268
-615,909
| -68% | -$14.9M |
|
1915
Amtech Systems
ASYS
$256M
| $5.87M | ﹤0.01% |
254,367
-12,489
| -5% | -$237K |
|
1916
ACNB Corp
ACNB
$655M
| $5.87M | ﹤0.01% |
98,822
+60,228
| +156% | +$3.22M |
|
|
BLTE
1917
Belite Bio
BLTE
$6.49B
| $5.87M | ﹤0.01% |
+38,100
| New | +$5.84M |
|
1918
Crown Castle
CCI
$32.1B
| $5.86M | ﹤0.01% |
77,327
-378,275
| -83% | -$33.2M |
|
1919
NB Bancorp
NBBK
$963M
| $5.85M | ﹤0.01% |
277,027
-94,780
| -25% | -$1.95M |
|
1920
AngloGold Ashanti
AU
$61.3B
| $5.85M | ﹤0.01% |
72,324
+13,240
| +22% | +$1.26M |
|
|
AXON
1921
PUT
Axon Enterprise
AXON
$51B
| $5.83M | ﹤0.01% |
10,400
+5,600
| +117% | +$2.34M |
|
1922
AutoNation
AN
$6.6B
| $5.83M | ﹤0.01% |
31,366
-32,989
| -51% | -$6.45M |
|
1923
Sunstone Hotel Investors
SHO
$2.1B
| $5.83M | ﹤0.01% |
508,821
+369,136
| +264% | +$3.87M |
|
1924
Atomera
ATOM
$187M
| $5.82M | ﹤0.01% |
667,667
+137,667
| +26% | +$1.08M |
|
1925
Annaly Capital Management
NLY
$17.5B
| $5.8M | ﹤0.01% |
259,600
| – | – |
|
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.