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 | |
|---|---|---|---|---|---|---|
1176
Xeris Biopharma Holdings
XERS
$1.59B
| $14.9M | 0.01% |
1,885,503
-38,699
| -2% | -$247K |
|
1177
First Financial Bankshares
FFIN
$4.87B
| $14.9M | 0.01% |
431,210
+242,868
| +129% | +$7.85M |
|
1178
Carter's
CRI
$1.26B
| $14.9M | 0.01% |
362,068
+241,867
| +201% | +$9.15M |
|
|
ITIC
1179
Investors Title Co
ITIC
$562M
| $14.9M | 0.01% |
54,453
+3,805
| +8% | +$922K |
|
1180
Northeast Bank
NBN
$1.11B
| $14.8M | 0.01% |
111,762
+65,477
| +141% | +$8.1M |
|
1181
Target Hospitality
TH
$1.78B
| $14.8M | 0.01% |
726,830
+633,388
| +678% | +$10.6M |
|
1182
Center Bancorp
CNOB
$1.62B
| $14.8M | 0.01% |
442,392
+41,154
| +10% | +$1.24M |
|
1183
Magna International
MGA
$18.1B
| $14.8M | 0.01% |
224,811
-1,020,213
| -82% | -$63.7M |
|
|
ALX
1184
Alexander's
ALX
$1.38B
| $14.8M | 0.01% |
53,542
+3,056
| +6% | +$763K |
|
1185
Axogen
AXGN
$2.65B
| $14.7M | 0.01% |
319,203
-362,901
| -53% | -$14.6M |
|
1186
Sprout Social
SPT
$627M
| $14.7M | 0.01% |
1,952,468
+193,401
| +11% | +$1.26M |
|
1187
Insperity
NSP
$1.99B
| $14.7M | 0.01% |
356,553
-288,283
| -45% | -$9.45M |
|
1188
Eagle Materials
EXP
$6.27B
| $14.7M | 0.01% |
65,457
-73,036
| -53% | -$15.3M |
|
1189
Hamilton Lane
HLNE
$4.56B
| $14.7M | 0.01% |
186,797
+123,703
| +196% | +$11M |
|
1190
AtriCure
ATRC
$2.51B
| $14.7M | 0.01% |
525,795
-225,208
| -30% | -$6.34M |
|
|
CEPF
1191
Cantor Equity Partners IV
CEPF
$593M
| $14.7M | 0.01% |
1,411,359
| – | – |
|
1192
Snowflake
SNOW
$112B
| $14.7M | 0.01% |
57,649
-712,450
| -93% | -$131M |
|
1193
Zentalis Pharmaceuticals
ZNTL
$356M
| $14.7M | 0.01% |
3,024,936
+68,410
| +2% | +$273K |
|
1194
Guidewire Software
GWRE
$16B
| $14.6M | 0.01% |
118,621
+40,757
| +52% | +$5.43M |
|
1195
SouthState Bank Corp
SSB
$10.4B
| $14.6M | 0.01% |
145,871
+84,649
| +138% | +$8.16M |
|
|
ARXS
1196
Arxis Inc
ARXS
$22.9B
| $14.5M | 0.01% |
+315,159
| New | +$12.3M |
|
1197
Northwest Bancshares
NWBI
$2.25B
| $14.5M | 0.01% |
958,953
+106,026
| +12% | +$1.48M |
|
1198
Capitol Federal Financial
CFFN
$1.05B
| $14.5M | 0.01% |
1,706,758
-169,401
| -9% | -$1.32M |
|
1199
APA Corp
APA
$15.1B
| $14.4M | 0.01% |
443,255
+121,004
| +38% | +$4.54M |
|
1200
PUT
Fortinet
FTNT
$112B
| $14.4M | 0.01% |
93,900
+67,000
| +249% | +$7.74M |
|
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.