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 | |
|---|---|---|---|---|---|---|
4701
Schrodinger
SDGR
$1.47B
| $202K | ﹤0.01% |
12,449
-143,451
| -92% | -$1.92M |
|
4702
Dawson Geophysical
DWSN
$106M
| $202K | ﹤0.01% |
34,016
-600
| -2% | -$2.26K |
|
|
BBOT
4703
BridgeBio Oncology
BBOT
$728M
| $202K | ﹤0.01% |
+26,485
| New | +$221K |
|
4704
Ziff Davis
ZD
$1.92B
| $201K | ﹤0.01% |
+3,837
| New | +$174K |
|
4705
CALL
PENN Entertainment
PENN
$2.5B
| $201K | ﹤0.01% |
+9,400
| New | +$168K |
|
4706
CALL
Alamos Gold
AGI
$15.8B
| $200K | ﹤0.01% |
6,600
-400
| -6% | -$16.2K |
|
4707
VTEX
VTEX
$603M
| $200K | ﹤0.01% |
49,932
+8,232
| +20% | +$31.4K |
|
|
MITT
4708
TPG Mortgage Investment Trust
MITT
$213M
| $199K | ﹤0.01% |
25,109
-39,320
| -61% | -$307K |
|
|
MAKO
4709
Mako Mining
MAKO
$923M
| $199K | ﹤0.01% |
+27,160
| New | +$210K |
|
4710
Travelzoo
TZOO
$68.2M
| $199K | ﹤0.01% |
+16,998
| New | +$156K |
|
|
FSP
4711
Franklin Street Properties
FSP
$45.2M
| $198K | ﹤0.01% |
383,899
-43,854
| -10% | -$25.9K |
|
4712
CALL
Energy Fuels
UUUU
$3.78B
| $197K | ﹤0.01% |
13,600
-107,800
| -89% | -$1.98M |
|
|
AGNT
4713
AGNT Inc
AGNT
$764M
| $194K | ﹤0.01% |
35,900
-200
| -0.6% | -$1.1K |
|
|
AVR
4714
Anteris Technologies
AVR
$875M
| $194K | ﹤0.01% |
19,655
+2,320
| +13% | +$17.6K |
|
4715
E.W. Scripps
SSP
$303M
| $193K | ﹤0.01% |
69,556
-66,993
| -49% | -$254K |
|
|
TII
4716
Titan Mining Corp
TII
$279M
| $192K | ﹤0.01% |
87,622
-62,043
| -41% | -$154K |
|
4717
CALL
StoneCo
STNE
$2.16B
| $192K | ﹤0.01% |
+17,700
| New | +$210K |
|
4718
VistaGen Therapeutics
VTGN
$10.8M
| $192K | ﹤0.01% |
847,992
+378,373
| +81% | +$228K |
|
4719
NCR Voyix
VYX
$1.09B
| $191K | ﹤0.01% |
+23,428
| New | +$165K |
|
4720
Verastem
VSTM
$624M
| $191K | ﹤0.01% |
49,954
-617,056
| -93% | -$2.99M |
|
|
NOAH
4721
Noah Holdings
NOAH
$604M
| $191K | ﹤0.01% |
+19,097
| New | +$197K |
|
|
DBVT
4722
DBV Technologies
DBVT
$914M
| $191K | ﹤0.01% |
+11,630
| New | +$219K |
|
4723
Mammoth Energy Services
TUSK
$147M
| $190K | ﹤0.01% |
+58,538
| New | +$171K |
|
4724
GoPro
GPRO
$116M
| $190K | ﹤0.01% |
243,614
-169,189
| -41% | -$179K |
|
|
CHA
4725
Chagee Holdings Ltd
CHA
$2.06B
| $189K | ﹤0.01% |
+15,732
| New | +$171K |
|
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.