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 | |
|---|---|---|---|---|---|---|
451
First Hawaiian
FHB
$3.2B
| $62.8M | 0.05% |
2,143,166
+458,394
| +27% | +$12.5M |
|
452
Elevance Health
ELV
$86.9B
| $62.7M | 0.05% |
162,061
+160,801
| +12,762% | +$59.6M |
|
453
COPT Defense Properties
CDP
$4.23B
| $62.6M | 0.05% |
1,720,245
-523,935
| -23% | -$17M |
|
|
454
PUT
NVIDIA
NVDA
$5.2T
| $62.5M | 0.05% |
312,500
-123,100
| -28% | -$25.3M |
|
455
AstraZeneca
AZN
$257B
| $62.4M | 0.05% |
329,087
+126,061
| +62% | +$23.7M |
|
456
Regions Financial
RF
$25.9B
| $62.4M | 0.05% |
2,065,972
-955,009
| -32% | -$26.8M |
|
457
iShares US Basic Materials ETF
IYM
$1.05B
| $62.3M | 0.05% |
346,800
+281,000
| +427% | +$51.5M |
|
|
EXK
458
Endeavour Silver
EXK
$3.15B
| $62.2M | 0.05% |
7,508,484
-655,020
| -8% | -$6.1M |
|
459
Gerdau
GGB
$8.5B
| $62.1M | 0.05% |
15,383,237
-10,456,483
| -40% | -$46.5M |
|
460
Textron
TXT
$14.3B
| $62.1M | 0.04% |
676,792
-1,123,334
| -62% | -$102M |
|
461
Sibanye-Stillwater
SBSW
$8.9B
| $61.8M | 0.04% |
7,273,849
+969,883
| +15% | +$11.3M |
|
462
MarketAxess Holdings
MKTX
$5.71B
| $61.7M | 0.04% |
543,890
+19,866
| +4% | +$2.83M |
|
463
3M
MMM
$92.3B
| $61.5M | 0.04% |
379,627
-301,839
| -44% | -$45.8M |
|
|
EA
464
DELISTED
Electronic Arts
EA
| $61.3M | 0.04% |
298,981
+106,557
| +55% | +$21.6M |
|
465
Plug Power
PLUG
$3.17B
| $61.3M | 0.04% |
22,610,124
-4,785,812
| -17% | -$15M |
|
466
Arrow Electronics
ARW
$10.7B
| $61.1M | 0.04% |
286,433
+237,761
| +488% | +$47.5M |
|
467
Aecom
ACM
$8.34B
| $61.1M | 0.04% |
875,607
+369,016
| +73% | +$28.2M |
|
|
468
CALL
NVIDIA
NVDA
$5.2T
| $61M | 0.04% |
304,900
-78,800
| -21% | -$16.2M |
|
|
GOOGM
469
Alphabet Inc Depositary Shares Series A Preferred Stock
GOOGM
| $60.8M | 0.04% |
+1,195,334
| New | +$60M |
|
470
Exponent
EXPO
$3.34B
| $60.7M | 0.04% |
1,033,426
-67,880
| -6% | -$4.17M |
|
471
Choice Hotels
CHH
$4.93B
| $60.6M | 0.04% |
549,315
-366,995
| -40% | -$40.6M |
|
472
Essent Group
ESNT
$6.12B
| $60.5M | 0.04% |
940,533
-71,635
| -7% | -$4.34M |
|
473
Banc of California
BANC
$2.95B
| $60.4M | 0.04% |
2,957,956
+1,737,305
| +142% | +$33.1M |
|
|
FOUR.PRA
474
Shift4 Payments Inc 6.00% Series A Preferred Stock
FOUR.PRA
$618M
| $60.4M | 0.04% |
969,939
+130,749
| +16% | +$7.26M |
|
475
MaxLinear
MXL
$6.04B
| $60.2M | 0.04% |
470,478
+175,922
| +60% | +$12.4M |
|
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.