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 | |
|---|---|---|---|---|---|---|
2951
TScan Therapeutics
TCRX
$52.8M
| $1.91M | ﹤0.01% |
1,949,604
+740,595
| +61% | +$789K |
|
2952
OneMain Financial
OMF
$7.27B
| $1.91M | ﹤0.01% |
31,300
-132,118
| -81% | -$7.44M |
|
2953
Hippo Holdings
HIPO
$874M
| $1.9M | ﹤0.01% |
67,258
+21,881
| +48% | +$582K |
|
|
WLTH
2954
Wealthfront Corp
WLTH
$1.38B
| $1.9M | ﹤0.01% |
212,137
-215,584
| -50% | -$2.24M |
|
2955
1stdibs.com
DIBS
$160M
| $1.89M | ﹤0.01% |
386,503
-70,500
| -15% | -$340K |
|
|
CALY
2956
PUT
Callaway Golf Company
CALY
$2.84B
| $1.89M | ﹤0.01% |
100,600
| – | – |
|
2957
Consensus Cloud Solutions
CCSI
$710M
| $1.89M | ﹤0.01% |
49,527
-37,688
| -43% | -$1.13M |
|
2958
PUT
Cheniere Energy
LNG
$57.3B
| $1.89M | ﹤0.01% |
+7,900
| New | +$1.97M |
|
2959
Affiliated Managers Group
AMG
$9.21B
| $1.89M | ﹤0.01% |
5,575
+475
| +9% | +$147K |
|
2960
EVgo
EVGO
$214M
| $1.89M | ﹤0.01% |
987,342
+220,573
| +29% | +$444K |
|
|
ARCL
2961
ARC Group Acquisition I Corp
ARCL
| $1.88M | ﹤0.01% |
+190,312
| New | +$1.88M |
|
|
CEPS
2962
Cantor Equity Partners VI
CEPS
| $1.88M | ﹤0.01% |
181,250
| – | – |
|
|
CRAC
2963
Crown Reserve Acquisition Corp I
CRAC
$228M
| $1.88M | ﹤0.01% |
185,911
-85,964
| -32% | -$866K |
|
2964
Dollar Tree
DLTR
$25.3B
| $1.88M | ﹤0.01% |
15,538
-12,222
| -44% | -$1.27M |
|
2965
Zymeworks
ZYME
$2.05B
| $1.88M | ﹤0.01% |
+71,874
| New | +$1.83M |
|
|
PVLA
2966
Palvella Therapeutics
PVLA
$2.05B
| $1.88M | ﹤0.01% |
12,294
+7,404
| +151% | +$899K |
|
2967
IES Holdings
IESC
$27.3B
| $1.88M | ﹤0.01% |
2,554
-666
| -21% | -$430K |
|
2968
PUT
Zoetis
ZTS
$32.1B
| $1.88M | ﹤0.01% |
26,100
+10,900
| +72% | +$1.03M |
|
2969
State Street SPDR US Small Cap Low Volatility Index ETF
SMLV
$259M
| $1.87M | ﹤0.01% |
11,900
+6,600
| +125% | +$975K |
|
|
GRAL
2970
GRAIL Inc
GRAL
$3.55B
| $1.87M | ﹤0.01% |
27,425
-37,262
| -58% | -$2.19M |
|
2971
Sportsman's Warehouse
SPWH
$44.9M
| $1.87M | ﹤0.01% |
1,407,319
+870,459
| +162% | +$1.19M |
|
2972
Precision BioSciences
DTIL
$244M
| $1.87M | ﹤0.01% |
237,863
-69,927
| -23% | -$492K |
|
2973
NACCO Industries
NC
$309M
| $1.87M | ﹤0.01% |
37,290
+4,913
| +15% | +$247K |
|
2974
Ouster
OUST
$2.77B
| $1.86M | ﹤0.01% |
29,780
-2,388
| -7% | -$80.3K |
|
2975
CALL
General Mills
GIS
$21.4B
| $1.86M | ﹤0.01% |
53,500
+27,300
| +104% | +$943K |
|
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.