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 | |
|---|---|---|---|---|---|---|
|
MRP
601
Millrose Properties Inc
MRP
$5.05B
| $43.4M | 0.03% |
1,443,419
-1,557,569
| -52% | -$45.1M |
|
|
DFTX
602
Definium Therapeutics
DFTX
$6.03B
| $43.4M | 0.03% |
921,818
-279,792
| -23% | -$6.91M |
|
603
iShares US Broker-Dealers & Securities Exchanges ETF
IAI
$1.41B
| $43.3M | 0.03% |
247,200
-44,900
| -15% | -$8M |
|
|
SOBO
604
South Bow Corp
SOBO
$7.87B
| $43.1M | 0.03% |
1,222,942
-166,446
| -12% | -$5.86M |
|
605
Popular Inc
BPOP
$10.8B
| $43M | 0.03% |
262,083
+108,599
| +71% | +$16.4M |
|
606
Walmart Inc
WMT
$825B
| $42.9M | 0.03% |
378,927
-55,600
| -13% | -$6.9M |
|
607
IonQ
IONQ
$18.2B
| $42.9M | 0.03% |
805,647
-1,538,304
| -66% | -$78M |
|
608
Vita Coco
COCO
$3.67B
| $42.9M | 0.03% |
648,091
+195,906
| +43% | +$13.2M |
|
609
Coupang
CPNG
$29.6B
| $42.8M | 0.03% |
2,464,743
+2,210,743
| +870% | +$39.9M |
|
610
Kymera Therapeutics
KYMR
$9.96B
| $42.6M | 0.03% |
371,374
+114,873
| +45% | +$9.87M |
|
611
Qorvo
QRVO
$8.43B
| $42.3M | 0.03% |
453,938
-53,471
| -11% | -$4.93M |
|
612
Lumen
LUMN
$6.13B
| $42.3M | 0.03% |
5,502,721
-342,150
| -6% | -$3M |
|
|
BLDP
613
Ballard Power Systems
BLDP
$724M
| $42.1M | 0.03% |
10,830,028
-1,513,124
| -12% | -$6.17M |
|
614
Elastic
ESTC
$8.93B
| $42.1M | 0.03% |
738,526
+228,316
| +45% | +$12.2M |
|
615
A10 Networks
ATEN
$1.9B
| $42M | 0.03% |
1,124,963
-195,026
| -15% | -$5.66M |
|
616
HUB Group
HUBG
$2.49B
| $41.9M | 0.03% |
957,403
+48,771
| +5% | +$2.05M |
|
617
ADT
ADT
$5.39B
| $41.8M | 0.03% |
6,438,156
+412,657
| +7% | +$2.83M |
|
618
Triple Flag Precious Metals
TFPM
$6.96B
| $41.8M | 0.03% |
1,394,861
+220,829
| +19% | +$7.1M |
|
619
iShares Core S&P 500 ETF
IVV
$893B
| $41.8M | 0.03% |
55,800
-360,480
| -87% | -$263M |
|
620
Dimensional US Large Cap Value ETF
DFLV
$7.07B
| $41.8M | 0.03% |
+1,056,800
| New | +$40.5M |
|
621
Rio Tinto
RIO
$171B
| $41.6M | 0.03% |
+438,396
| New | +$44.4M |
|
622
Synchrony
SYF
$25.9B
| $41.5M | 0.03% |
546,167
+214,205
| +65% | +$15.7M |
|
|
LB
623
LandBridge Co
LB
$2.55B
| $41.1M | 0.03% |
518,850
-26,627
| -5% | -$1.83M |
|
624
PUT
GE Vernova
GEV
$255B
| $40.8M | 0.03% |
34,700
+15,700
| +83% | +$16M |
|
625
Fidelity National Financial
FNF
$12.7B
| $40.7M | 0.03% |
863,822
+570,834
| +195% | +$27.7M |
|
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.