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 | |
|---|---|---|---|---|---|---|
826
Duke Energy
DUK
$95.1B
| $27.2M | 0.02% |
215,046
-454,102
| -68% | -$57.3M |
|
827
PUT
Starwood Property Trust
STWD
$6.03B
| $27.2M | 0.02% |
1,658,000
| – | – |
|
828
Pacer US Small Cap Cash Cows 100 ETF
CALF
$3.96B
| $27.1M | 0.02% |
534,800
+410,300
| +330% | +$19.8M |
|
829
Cytokinetics
CYTK
$10.7B
| $27M | 0.02% |
317,411
+32,403
| +11% | +$2.33M |
|
830
Vanguard Real Estate ETF
VNQ
$39.3B
| $27M | 0.02% |
280,100
-3,380,500
| -92% | -$323M |
|
831
Glacier Bancorp
GBCI
$6.09B
| $27M | 0.02% |
523,085
+391,013
| +296% | +$18.8M |
|
832
ACM Research
ACMR
$5.39B
| $27M | 0.02% |
212,544
+160,128
| +305% | +$11.3M |
|
833
ESCO Technologies
ESE
$7.14B
| $26.8M | 0.02% |
76,702
-32,660
| -30% | -$10.2M |
|
834
Diamondrock Hospitality Co
DRH
$2.61B
| $26.8M | 0.02% |
2,199,237
+617,498
| +39% | +$6.72M |
|
835
nVent Electric
NVT
$24.8B
| $26.8M | 0.02% |
157,724
+32,428
| +26% | +$5.06M |
|
|
EMA
836
Emera Inc
EMA
$15.5B
| $26.7M | 0.02% |
504,036
+455,514
| +939% | +$23.9M |
|
837
Klaviyo
KVYO
$5.18B
| $26.7M | 0.02% |
1,767,900
-1,123,990
| -39% | -$18.6M |
|
838
Thor Industries
THO
$4.13B
| $26.7M | 0.02% |
355,172
+275,800
| +347% | +$21.2M |
|
839
Kanzhun
BZ
$6.9B
| $26.7M | 0.02% |
2,073,335
-1,733,141
| -46% | -$23.8M |
|
840
Federal Signal
FSS
$7.31B
| $26.6M | 0.02% |
206,965
-67,086
| -24% | -$7.69M |
|
841
Ardelyx
ARDX
$966M
| $26.6M | 0.02% |
5,209,823
+935,780
| +22% | +$5.71M |
|
842
Brink's
BCO
$4.65B
| $26.5M | 0.02% |
280,608
+70,230
| +33% | +$7.32M |
|
843
Smith & Wesson
SWBI
$612M
| $26.5M | 0.02% |
1,760,476
+102,510
| +6% | +$1.54M |
|
844
EastGroup Properties
EGP
$10.9B
| $26.5M | 0.02% |
130,732
+66,705
| +104% | +$13.4M |
|
|
AMRZ
845
Amrize Ltd
AMRZ
$24.7B
| $26.5M | 0.02% |
496,491
-1,460,638
| -75% | -$79.1M |
|
|
PSTL
846
Postal Realty Trust
PSTL
$696M
| $26.4M | 0.02% |
1,072,661
+113,162
| +12% | +$2.52M |
|
|
ECO
847
Okeanis Eco Tankers
ECO
$2.54B
| $26.4M | 0.02% |
527,038
+222,666
| +73% | +$11.6M |
|
848
Amdocs
DOX
$6.48B
| $26.4M | 0.02% |
522,297
+264,943
| +103% | +$16.3M |
|
849
Extreme Networks
EXTR
$2.92B
| $26.3M | 0.02% |
812,553
+435,419
| +115% | +$10.5M |
|
850
Calix
CALX
$2.51B
| $26.3M | 0.02% |
703,911
+542,456
| +336% | +$22.8M |
|
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.