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 | |
|---|---|---|---|---|---|---|
1176
Loar Holdings
LOAR
$6.81B
| $6.54M | 0.01% |
81,734
+56,849
| +228% | +$4.27M |
|
1177
PROG Holdings
PRG
$1.56B
| $6.53M | 0.01% |
201,701
+112,163
| +125% | +$3.68M |
|
1178
Kinder Morgan
KMI
$69B
| $6.52M | 0.01% |
+230,352
| New | +$6.31M |
|
|
MRLN
1179
Merlin Inc
MRLN
$347M
| $6.5M | 0.01% |
625,000
| – | – |
|
|
BEAG
1180
Bold Eagle Acquisition Corp
BEAG
$338M
| $6.5M | 0.01% |
625,000
| – | – |
|
|
BCSS.U
1181
Bain Capital GSS Investment Corp Units
BCSS.U
| $6.5M | 0.01% |
+643,750
| New | +$6.5M |
|
1182
Grindr
GRND
$2.71B
| $6.5M | 0.01% |
432,443
-962,240
| -69% | -$16.9M |
|
1183
iShares Latin America 40 ETF
ILF
$3.74B
| $6.49M | 0.01% |
+224,700
| New | +$5.97M |
|
1184
Fidelity MSCI Consumer Staples Index ETF
FSTA
$1.45B
| $6.48M | 0.01% |
130,100
+122,700
| +1,658% | +$6.27M |
|
|
CGAU
1185
Centerra Gold
CGAU
$4.59B
| $6.47M | 0.01% |
603,269
-284,135
| -32% | -$2.27M |
|
1186
IDT Corp
IDT
$1.7B
| $6.46M | 0.01% |
123,569
+8,205
| +7% | +$511K |
|
1187
Chevron
CVX
$398B
| $6.46M | 0.01% |
41,622
+37,416
| +890% | +$5.79M |
|
1188
FIVE9
FIVN
$2.45B
| $6.46M | 0.01% |
266,905
+211,452
| +381% | +$5.59M |
|
|
HVII
1189
Hennessy Capital Investment Corp VII
HVII
$181M
| $6.46M | 0.01% |
634,375
| – | – |
|
|
NHIC
1190
NewHold Investment Corp III
NHIC
$293M
| $6.46M | 0.01% |
634,375
| – | – |
|
|
SZZL
1191
Sizzle Acquisition Corp II
SZZL
$327M
| $6.44M | 0.01% |
639,026
| – | – |
|
1192
McEwen Inc
MUX
$1.29B
| $6.43M | 0.01% |
376,268
-21,850
| -5% | -$262K |
|
1193
New Fortress Energy
NFE
$78.7M
| $6.43M | 0.01% |
2,909,655
+317,313
| +12% | +$903K |
|
1194
PUT
Robinhood
HOOD
$93.2B
| $6.43M | 0.01% |
+44,900
| New | +$4.9M |
|
1195
AngloGold Ashanti
AU
$60.9B
| $6.42M | 0.01% |
91,316
| – | – |
|
1196
ImmunityBio
IBRX
$8.03B
| $6.42M | 0.01% |
2,607,860
+1,805,297
| +225% | +$4.65M |
|
1197
Microchip Technology
MCHP
$40.3B
| $6.41M | 0.01% |
99,883
-73,949
| -43% | -$5.01M |
|
1198
Arcus Biosciences
RCUS
$3.84B
| $6.41M | 0.01% |
471,522
+63,327
| +16% | +$658K |
|
|
HVMCU
1199
Highview Merger Corp Units
HVMCU
| $6.4M | 0.01% |
+632,853
| New | +$6.37M |
|
|
TVAI
1200
Thayer Ventures Acquisition Corporation II
TVAI
$282M
| $6.36M | 0.01% |
+634,375
| New | +$6.35M |
|
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.