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 | |
|---|---|---|---|---|---|---|
|
NIU
4826
Niu Technologies
NIU
$153M
| $90K | ﹤0.01% |
+44,800
| New | +$119K |
|
4827
AquaBounty Technologies
AQB
$6.74M
| $88.6K | ﹤0.01% |
82,803
-9,998
| -11% | -$9.74K |
|
4828
Marker Therapeutics
MRKR
$23.2M
| $88.5K | ﹤0.01% |
60,201
-800
| -1% | -$1.17K |
|
4829
Yext
YEXT
$637M
| $88.1K | ﹤0.01% |
18,865
-10,602
| -36% | -$41.2K |
|
4830
Regencell Bioscience
RGC
$2.62B
| $87.7K | ﹤0.01% |
+14,406
| New | +$346K |
|
|
HEPS
4831
D-Market Electronic Services & Trading
HEPS
$968M
| $86.2K | ﹤0.01% |
29,612
-10,126
| -25% | -$28K |
|
4832
PLAYSTUDIOS Inc
MYPS
$63.3M
| $86.1K | ﹤0.01% |
172,500
-8,600
| -5% | -$4.14K |
|
4833
TRX Gold Corp
TRX
$393M
| $85.4K | ﹤0.01% |
103,531
-343,804
| -77% | -$399K |
|
4834
BuzzFeed
BZFD
$92.5M
| $84.9K | ﹤0.01% |
+58,124
| New | +$66.8K |
|
4835
Barnwell Industries
BRN
$14.2M
| $84.6K | ﹤0.01% |
+83,787
| New | +$91.2K |
|
4836
Universal Safety Products Inc
UUU
$19.4M
| $83.8K | ﹤0.01% |
18,256
-6,756
| -27% | -$40.5K |
|
|
TONX
4837
TON Strategy Co
TONX
$169M
| $83.4K | ﹤0.01% |
32,689
+1,390
| +4% | +$4.11K |
|
4838
Sabre
SABR
$848M
| $82.5K | ﹤0.01% |
+39,482
| New | +$69.2K |
|
4839
JE Cleantech Holdings
JCSE
$8.51M
| $81.9K | ﹤0.01% |
+57,695
| New | +$73K |
|
4840
Black Diamond Therapeutics
BDTX
$127M
| $77.7K | ﹤0.01% |
42,000
-1,300
| -3% | -$3.18K |
|
4841
Millennium Group International
MGIH
$17.8M
| $77.4K | ﹤0.01% |
51,765
-1,480
| -3% | -$2.2K |
|
4842
AN2 Therapeutics
ANTX
$219M
| $77K | ﹤0.01% |
+15,913
| New | +$68.4K |
|
4843
Repay Holdings
RPAY
$332M
| $74.1K | ﹤0.01% |
17,649
-5,251
| -23% | -$18.2K |
|
4844
MAIA Biotechnology
MAIA
$84.5M
| $72.6K | ﹤0.01% |
+50,383
| New | +$66.9K |
|
4845
Lineage Cell Therapeutics
LCTX
$273M
| $72K | ﹤0.01% |
54,947
-33,638
| -38% | -$46.5K |
|
4846
AudioEye
AEYE
$90.5M
| $71.3K | ﹤0.01% |
+12,268
| New | +$85.3K |
|
4847
AEye
LIDR
$59M
| $71K | ﹤0.01% |
49,338
+11,320
| +30% | +$20.4K |
|
4848
Odyssey Marine Exploration
OMEX
$54.3M
| $67.6K | ﹤0.01% |
79,485
-13,135
| -14% | -$13.4K |
|
4849
SIMPPLE Ltd
SPPL
$21.2M
| $67.5K | ﹤0.01% |
+17,362
| New | +$50.1K |
|
|
IPM
4850
Intelligent Protection Management Corp
IPM
$16.8M
| $67.1K | ﹤0.01% |
38,577
| – | – |
|
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.