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 | |
|---|---|---|---|---|---|---|
626
State Street SPDR S&P 500 ETF Trust
SPY
$819B
| $40.7M | 0.03% |
54,549
-525,744
| -91% | -$381M |
|
627
VictoryShares Free Cash Flow ETF
VFLO
$10.6B
| $40.6M | 0.03% |
888,000
+494,800
| +126% | +$21.5M |
|
628
iShares TIPS Bond ETF
TIP
$15B
| $40.6M | 0.03% |
371,250
+8,550
| +2% | +$945K |
|
629
Commerce Bancshares
CBSH
$8.41B
| $40.5M | 0.03% |
702,104
+214,036
| +44% | +$11.2M |
|
630
Broadstone Net Lease
BNL
$4.34B
| $40.4M | 0.03% |
1,956,029
-366,982
| -16% | -$7.4M |
|
631
CubeSmart
CUBE
$9.21B
| $40.3M | 0.03% |
1,013,798
-889,014
| -47% | -$35.4M |
|
632
SPX Corp
SPXC
$10.1B
| $40.3M | 0.03% |
164,355
+87,416
| +114% | +$19.1M |
|
633
Adtran
ADTN
$628M
| $40.3M | 0.03% |
2,896,353
+1,772,829
| +158% | +$27.7M |
|
|
SVM
634
Silvercorp Metals
SVM
$2.8B
| $40.2M | 0.03% |
3,980,779
-453,869
| -10% | -$5.48M |
|
635
Watsco Inc
WSO
$12.8B
| $39.9M | 0.03% |
95,682
-204,414
| -68% | -$82.2M |
|
636
Box
BOX
$4.64B
| $39.9M | 0.03% |
1,501,681
+240,952
| +19% | +$6.01M |
|
637
iShares Russell 1000 Growth ETF
IWF
$124B
| $39.9M | 0.03% |
320,960
-2,455,680
| -88% | -$296M |
|
638
MGE Energy Inc
MGEE
$3B
| $39.7M | 0.03% |
486,961
+317,887
| +188% | +$24.6M |
|
639
Pultegroup
PHM
$24.7B
| $39.7M | 0.03% |
289,291
+266,384
| +1,163% | +$32.4M |
|
640
Edgewell Personal Care
EPC
$1.31B
| $39.7M | 0.03% |
1,476,356
+260,364
| +21% | +$5.55M |
|
|
JAN
641
Janus Living Inc
JAN
$7.31B
| $39.5M | 0.03% |
+1,375,724
| New | +$35.7M |
|
642
Centrus Energy
LEU
$3.53B
| $39.5M | 0.03% |
235,301
+100,527
| +75% | +$18.8M |
|
643
CNA Financial
CNA
$13.4B
| $39.5M | 0.03% |
811,624
-70,411
| -8% | -$3.2M |
|
644
Green Plains
GPRE
$1.05B
| $39.3M | 0.03% |
2,554,127
+205,512
| +9% | +$3.27M |
|
645
PUT
Palantir
PLTR
$423B
| $39.2M | 0.03% |
335,800
+134,500
| +67% | +$18.3M |
|
|
BRKRP
646
Bruker Corporation 6.375% Series A Preferred Stock
BRKRP
$1.17B
| $39.2M | 0.03% |
87,431
+30,975
| +55% | +$11.2M |
|
|
647
PUT
Alphabet (Google) Class A
GOOGL
$4.26T
| $38.9M | 0.03% |
108,900
-80,200
| -42% | -$28.9M |
|
648
Infosys
INFY
$47.9B
| $38.9M | 0.03% |
3,709,573
+3,667,873
| +8,796% | +$45.9M |
|
|
DX
649
Dynex Capital
DX
$3.24B
| $38.9M | 0.03% |
2,965,239
+1,015,561
| +52% | +$13.4M |
|
|
XIFR
650
XPLR Infrastructure LP
XIFR
$1.06B
| $38.8M | 0.03% |
3,283,852
+733,614
| +29% | +$8.2M |
|
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.