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 | |
|---|---|---|---|---|---|---|
2201
US Foods
USFD
$23.7B
| $4.32M | ﹤0.01% |
42,247
-20,600
| -33% | -$1.84M |
|
2202
Editas Medicine
EDIT
$478M
| $4.32M | ﹤0.01% |
1,332,976
-216,087
| -14% | -$632K |
|
|
SDHI
2203
Siddhi Acquisition Corp
SDHI
$366M
| $4.32M | ﹤0.01% |
415,579
| – | – |
|
2204
PUT
lululemon athletica
LULU
$13.7B
| $4.3M | ﹤0.01% |
37,700
-75,300
| -67% | -$10.1M |
|
|
MFA
2205
MFA Financial
MFA
$901M
| $4.29M | ﹤0.01% |
442,738
-670,273
| -60% | -$6.5M |
|
2206
CALL
Celsius Holdings
CELH
$8.44B
| $4.28M | ﹤0.01% |
146,300
+71,600
| +96% | +$2.26M |
|
2207
Zimmer Biomet
ZBH
$19.3B
| $4.28M | ﹤0.01% |
49,754
+17,794
| +56% | +$1.56M |
|
2208
Ambev
ABEV
$44.4B
| $4.27M | ﹤0.01% |
1,360,604
-657,200
| -33% | -$2.05M |
|
2209
South Plains Financial
SPFI
$833M
| $4.27M | ﹤0.01% |
99,122
-74,263
| -43% | -$3.1M |
|
2210
RenaissanceRe
RNR
$13.4B
| $4.27M | ﹤0.01% |
13,473
-7,120
| -35% | -$2.14M |
|
2211
Telos
TLS
$336M
| $4.26M | ﹤0.01% |
926,147
-425,428
| -31% | -$1.88M |
|
2212
KraneShares CSI China Internet ETF
KWEB
$5.28B
| $4.26M | ﹤0.01% |
+174,006
| New | +$4.82M |
|
2213
Maplebear
CART
$11.5B
| $4.25M | ﹤0.01% |
89,675
-625
| -0.7% | -$26.1K |
|
2214
HighPeak Energy
HPK
$1.05B
| $4.24M | ﹤0.01% |
607,061
+209,031
| +53% | +$1.44M |
|
|
PSIX
2215
Power Solutions International
PSIX
$840M
| $4.24M | ﹤0.01% |
108,961
+62,590
| +135% | +$3.44M |
|
2216
Invesco S&P 500 Pure Value ETF
RPV
$1.76B
| $4.23M | ﹤0.01% |
+37,200
| New | +$4.15M |
|
2217
CALL
Philip Morris
PM
$293B
| $4.23M | ﹤0.01% |
23,400
+19,200
| +457% | +$3.33M |
|
2218
PUT
Texas Instruments
TXN
$241B
| $4.23M | ﹤0.01% |
14,200
-33,900
| -70% | -$9.4M |
|
2219
Flowserve
FLS
$10.1B
| $4.23M | ﹤0.01% |
57,071
-354,630
| -86% | -$27M |
|
2220
PUT
Twilio
TWLO
$34.6B
| $4.23M | ﹤0.01% |
20,500
+18,400
| +876% | +$3.26M |
|
2221
Arcosa
ACA
$7.12B
| $4.23M | ﹤0.01% |
29,083
+15,583
| +115% | +$1.94M |
|
2222
Algoma Steel
ASTL
$491M
| $4.22M | ﹤0.01% |
1,041,811
+771,911
| +286% | +$3.71M |
|
2223
Aptiv
APTV
$10B
| $4.22M | ﹤0.01% |
68,738
+61,338
| +829% | +$3.75M |
|
|
BKV
2224
BKV Corp
BKV
$2.65B
| $4.22M | ﹤0.01% |
154,129
-211,962
| -58% | -$5.83M |
|
2225
Eton Pharmaceutcials
ETON
$1.81B
| $4.21M | ﹤0.01% |
116,291
+9,898
| +9% | +$290K |
|
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.