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 | |
|---|---|---|---|---|---|---|
|
SLSR
2526
Solaris Resources
SLSR
$1.49B
| $3.07M | ﹤0.01% |
365,866
-98,258
| -21% | -$951K |
|
2527
Telkom Indonesia
TLK
$14.8B
| $3.06M | ﹤0.01% |
228,021
-80,432
| -26% | -$1.34M |
|
2528
PUT
Kimberly-Clark
KMB
$36.4B
| $3.05M | ﹤0.01% |
27,800
+16,700
| +150% | +$1.66M |
|
2529
CALL
lululemon athletica
LULU
$13.7B
| $3.05M | ﹤0.01% |
26,700
-69,600
| -72% | -$9.3M |
|
|
WRN
2530
Western Copper and Gold
WRN
$572M
| $3.05M | ﹤0.01% |
1,360,316
+344,235
| +34% | +$928K |
|
|
LIFE
2531
Ethos Technologies Inc
LIFE
$2.18B
| $3.04M | ﹤0.01% |
167,778
+45,987
| +38% | +$830K |
|
2532
CALL
Sysco
SYY
$40.2B
| $3.04M | ﹤0.01% |
36,400
+17,800
| +96% | +$1.35M |
|
2533
CALL
Cloudflare
NET
$104B
| $3.04M | ﹤0.01% |
12,400
+4,900
| +65% | +$1.07M |
|
2534
8x8 Inc
EGHT
$290M
| $3.04M | ﹤0.01% |
1,776,111
+392,272
| +28% | +$790K |
|
|
ELME
2535
Elme Communities
ELME
$148M
| $3.04M | ﹤0.01% |
2,051,315
-750,197
| -27% | -$1.52M |
|
2536
PUT
Argan
AGX
$7.03B
| $3.03M | ﹤0.01% |
+3,800
| New | +$2.53M |
|
2537
TriplePoint Venture Growth BDC
TPVG
$217M
| $3.03M | ﹤0.01% |
618,001
-232,938
| -27% | -$1.25M |
|
2538
Littelfuse
LFUS
$10.5B
| $3.03M | ﹤0.01% |
6,664
+4,804
| +258% | +$2.08M |
|
2539
Bio-Rad Laboratories Class A
BIO
$10.2B
| $3.03M | ﹤0.01% |
10,320
-668
| -6% | -$189K |
|
2540
PUT
HF Sinclair
DINO
$17.3B
| $3.02M | ﹤0.01% |
43,400
+37,400
| +623% | +$2.49M |
|
2541
Digi International
DGII
$2.84B
| $3.02M | ﹤0.01% |
40,330
+15,237
| +61% | +$945K |
|
2542
FTI Consulting
FCN
$4.3B
| $3.02M | ﹤0.01% |
20,263
-23,335
| -54% | -$3.82M |
|
2543
PUT
Dave Inc
DAVE
$4.52B
| $3.02M | ﹤0.01% |
8,100
+5,600
| +224% | +$1.46M |
|
|
NESR
2544
National Energy Services Reunited Corp
NESR
$3.33B
| $3.02M | ﹤0.01% |
100,753
-290,479
| -74% | -$7.19M |
|
|
NVO
2545
PUT
Novo Nordisk
NVO
$207B
| $3.01M | ﹤0.01% |
62,800
+39,500
| +170% | +$1.7M |
|
|
SCHW
2546
CALL
Charles Schwab
SCHW
$194B
| $3.01M | ﹤0.01% |
32,600
+8,300
| +34% | +$757K |
|
2547
Choiceone Financial
COFS
$496M
| $3.01M | ﹤0.01% |
88,459
-58,220
| -40% | -$1.81M |
|
2548
Fox Class A
FOXA
$28.8B
| $3M | ﹤0.01% |
57,601
-298,459
| -84% | -$18.4M |
|
2549
Adient
ADNT
$1.54B
| $3M | ﹤0.01% |
163,398
-552,931
| -77% | -$11.8M |
|
2550
Blackstone Mortgage Trust
BXMT
$2.41B
| $3M | ﹤0.01% |
177,034
+18,008
| +11% | +$336K |
|
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.