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 | |
|---|---|---|---|---|---|---|
651
CALL
Advanced Micro Devices
AMD
$746B
| $38.7M | 0.03% |
66,700
+60,700
| +1,012% | +$24.9M |
|
652
Granite Construction
GVA
$5.47B
| $38.7M | 0.03% |
245,067
-113,830
| -32% | -$15.5M |
|
653
Hanover Insurance
THG
$7.92B
| $38.7M | 0.03% |
180,817
+77,966
| +76% | +$14.8M |
|
654
GE Aerospace
GE
$355B
| $38.7M | 0.03% |
103,590
-54,808
| -35% | -$17.2M |
|
655
WSFS Financial
WSFS
$4.06B
| $38.7M | 0.03% |
504,502
+251,298
| +99% | +$18M |
|
656
Novavax
NVAX
$1.46B
| $38.5M | 0.03% |
4,091,043
+3,476,244
| +565% | +$31.1M |
|
657
Dole
DOLE
$1.27B
| $38.5M | 0.03% |
2,806,620
+425,194
| +18% | +$6.19M |
|
658
Establishment Labs
ESTA
$2.15B
| $38.5M | 0.03% |
448,425
+16,940
| +4% | +$1.22M |
|
659
ConocoPhillips
COP
$160B
| $38.3M | 0.03% |
368,159
-1,375,233
| -79% | -$163M |
|
660
U-Haul Holding Co
UHAL
$13.8B
| $38.2M | 0.03% |
583,933
+374,649
| +179% | +$20.5M |
|
661
Sabra Healthcare REIT
SBRA
$5.23B
| $38M | 0.03% |
1,947,826
-560,536
| -22% | -$11.1M |
|
662
TD Synnex
SNX
$19.5B
| $37.9M | 0.03% |
141,899
+105,600
| +291% | +$25.4M |
|
663
Sensient Technologies
SXT
$5.85B
| $37.8M | 0.03% |
306,462
+18,264
| +6% | +$2.03M |
|
664
AMN Healthcare
AMN
$1.34B
| $37.5M | 0.03% |
1,158,258
-429,423
| -27% | -$11.1M |
|
|
AAMI
665
Acadian Asset Management
AAMI
$3.26B
| $37.5M | 0.03% |
523,939
+45,125
| +9% | +$3.14M |
|
666
Old Dominion Freight Line
ODFL
$41.8B
| $37.5M | 0.03% |
172,912
-66,681
| -28% | -$14.4M |
|
667
iShares MSCI USA Min Vol Factor ETF
USMV
$24.4B
| $37.4M | 0.03% |
387,700
-862,900
| -69% | -$81.9M |
|
|
VG
668
Venture Global Inc
VG
$36B
| $37.4M | 0.03% |
3,357,950
+1,117,497
| +50% | +$14.1M |
|
669
Lazard
LAZ
$4.29B
| $37.3M | 0.03% |
889,392
-60,049
| -6% | -$2.75M |
|
670
AvePoint
AVPT
$2.8B
| $37.3M | 0.03% |
3,325,017
+437,031
| +15% | +$4.49M |
|
671
CRA International
CRAI
$1.1B
| $37.2M | 0.03% |
261,679
-20,330
| -7% | -$3.06M |
|
672
Victory Capital Holdings
VCTR
$7.14B
| $37.1M | 0.03% |
441,803
+62,116
| +16% | +$5M |
|
|
GAP
673
The Gap Inc
GAP
$7.33B
| $37.1M | 0.03% |
1,984,020
-2,010,411
| -50% | -$46.4M |
|
674
Frontier Group Holdings
ULCC
$1.33B
| $37M | 0.03% |
4,681,564
+2,413,508
| +106% | +$12.5M |
|
675
Prudential Financial
PRU
$42.3B
| $37M | 0.03% |
343,103
-277,177
| -45% | -$28.2M |
|
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.