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 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$474M |
| 2 |
State Street Consumer Staples Select Sector SPDR ETF
XLP
|
+$357M |
| 3 |
Accenture
ACN
|
+$246M |
| 4 |
Advanced Micro Devices
AMD
|
+$235M |
| 5 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$231M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$381M |
| 2 |
State Street Technology Select Sector SPDR ETF
XLK
|
+$375M |
| 3 |
iShares Expanded Tech-Software Sector ETF
IGV
|
+$348M |
| 4 |
Thermo Fisher Scientific
TMO
|
+$292M |
| 5 |
Snowflake
SNOW
|
+$258M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 16.18% |
| 2 | Financials | 15.54% |
| 3 | Industrials | 10.5% |
| 4 | Healthcare | 9.8% |
| 5 | Consumer Discretionary | 8.1% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
101
Arch Capital
ACGL
$33.9B
| $172M | 0.26% |
1,895,222
+1,003,004
| +112% | +$89.9M |
|
102
Johnson & Johnson
JNJ
$651B
| $172M | 0.26% |
925,287
+748,295
| +423% | +$128M |
|
103
BlackRock US Equity Factor Rotation ETF
DYNF
$40.7B
| $171M | 0.25% |
2,884,300
+1,787,700
| +163% | +$101M |
|
104
Wayfair
W
$13.9B
| $171M | 0.25% |
1,910,022
+165,513
| +9% | +$12.1M |
|
|
105
CALL
Invesco QQQ Trust
QQQ
$486B
| $170M | 0.25% |
+283,400
| New | +$162M |
|
106
Colgate-Palmolive
CL
$72.6B
| $170M | 0.25% |
2,126,249
+1,664,949
| +361% | +$142M |
|
|
107
PUT
Invesco QQQ Trust
QQQ
$486B
| $168M | 0.25% |
+279,700
| New | +$160M |
|
108
Viking Holdings
VIK
$41.4B
| $167M | 0.25% |
2,690,678
+600,890
| +29% | +$35.8M |
|
109
Zscaler
ZS
$29.4B
| $167M | 0.25% |
557,308
-255,000
| -31% | -$72.7M |
|
110
J.M. Smucker
SJM
$13.3B
| $166M | 0.25% |
1,527,962
+1,505,991
| +6,854% | +$164M |
|
111
Merck
MRK
$376B
| $165M | 0.25% |
1,969,101
-469,247
| -19% | -$38.6M |
|
112
Coupang
CPNG
$29.6B
| $165M | 0.25% |
5,115,534
-2,126,715
| -29% | -$64.3M |
|
113
Autodesk
ADSK
$53.6B
| $163M | 0.24% |
512,596
+511,596
| +51,160% | +$156M |
|
|
EXE
114
Expand Energy Corp
EXE
$22.2B
| $162M | 0.24% |
1,528,661
-198,149
| -11% | -$19.9M |
|
115
Verisk Analytics
VRSK
$24.4B
| $162M | 0.24% |
645,669
+321,821
| +99% | +$88.3M |
|
116
First Trust Dow Jones Internet Index Fund ETF
FDN
$5.53B
| $162M | 0.24% |
577,600
+29,500
| +5% | +$8.08M |
|
117
HubSpot
HUBS
$12B
| $161M | 0.24% |
343,141
-67,984
| -17% | -$34.2M |
|
118
Campbell Soup
CPB
$7.14B
| $156M | 0.23% |
4,937,170
+4,159,398
| +535% | +$134M |
|
119
American Tower
AMT
$81.9B
| $155M | 0.23% |
804,761
+708,158
| +733% | +$148M |
|
120
Moody's
MCO
$87.2B
| $154M | 0.23% |
324,251
+299,724
| +1,222% | +$151M |
|
121
Western Digital
WDC
$166B
| $154M | 0.23% |
1,281,903
+795,387
| +163% | +$65M |
|
122
American Airlines Group
AAL
$9.15B
| $154M | 0.23% |
13,670,800
+4,500,897
| +49% | +$55.4M |
|
123
Eli Lilly
LLY
$1.12T
| $153M | 0.23% |
200,906
+127,157
| +172% | +$94.6M |
|
124
Conagra Brands
CAG
$7.89B
| $153M | 0.23% |
8,347,163
+5,889,542
| +240% | +$113M |
|
125
Tyler Technologies
TYL
$14.4B
| $152M | 0.23% |
290,511
+190,210
| +190% | +$107M |
|
Similar funds
John Overdeck's Q3 2025 Portfolio in Review
As of Q3 2025, John Overdeck held 4,027 positions worth $67.2B, up 19% from $56.5B the previous quarter. Its ten largest holdings account for 6.2% of the portfolio.
John Overdeck deployed $4.46B of net new capital in Q3 2025, opening 877 new positions and adding to 1,461 existing holdings. Its largest new stake was Berkshire Hathaway Class B: 379,096 shares worth $191M.
By sector, the portfolio is most concentrated in Technology at 16% of assets, down from 17% a quarter earlier, followed by Financials and Industrials.
On the sell side, the largest reduction was Invesco QQQ Trust, an estimated $381M trimmed.
- John Overdeck's largest Q3 2025 buy was Berkshire Hathaway Class B: 379,096 shares worth $191M.
- John Overdeck added most to State Street Financial Select Sector SPDR ETF in Q3 2025, an estimated $474M increase.
- John Overdeck's biggest Q3 2025 reduction was Invesco QQQ Trust, cutting an estimated $381M.
- John Overdeck fully exited NextEra Energy, Inc. 6.926% Corporate Units in Q3 2025, selling an estimated $115M.
- John Overdeck's ten largest holdings make up 6.2% of its $67.2B portfolio in Q3 2025.
- John Overdeck opened 877 new positions and closed 399 in Q3 2025.
- John Overdeck's portfolio value rose 19% quarter-over-quarter to $67.2B.
Based on Two Sigma Investments's 13F filing for Q3 2025, filed 14 Nov 2025.