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 | |
|---|---|---|---|---|---|---|
|
FPI
1576
Farmland Partners
FPI
$452M
| $3.89M | 0.01% |
357,593
+63,746
| +22% | +$698K |
|
|
NTWO
1577
Newbury Street II Acquisition Corp
NTWO
$276M
| $3.88M | 0.01% |
375,000
| – | – |
|
|
OPTU
1578
Optimum Communications Inc
OPTU
$328M
| $3.88M | 0.01% |
1,611,644
-280,158
| -15% | -$687K |
|
1579
Kennametal
KMT
$2.23B
| $3.88M | 0.01% |
185,158
+106,403
| +135% | +$2.39M |
|
1580
Vaxcyte
PCVX
$9.21B
| $3.88M | 0.01% |
107,587
+20,025
| +23% | +$663K |
|
1581
EVgo
EVGO
$210M
| $3.87M | 0.01% |
818,281
-944,258
| -54% | -$3.66M |
|
1582
Denali Therapeutics
DNLI
$3.87B
| $3.87M | 0.01% |
266,292
+246,992
| +1,280% | +$3.55M |
|
1583
GSK
GSK
$104B
| $3.86M | 0.01% |
89,500
| – | – |
|
1584
AppFolio
APPF
$7.97B
| $3.86M | 0.01% |
+14,009
| New | +$3.78M |
|
1585
RPM International
RPM
$13.6B
| $3.86M | 0.01% |
32,755
-78,037
| -70% | -$9.36M |
|
1586
Coca-Cola Europacific Partners
CCEP
$48.6B
| $3.86M | 0.01% |
42,699
-44,047
| -51% | -$4.09M |
|
1587
Compass Diversified
CODI
$869M
| $3.86M | 0.01% |
582,524
+261,551
| +81% | +$1.8M |
|
1588
Unilever
UL
$141B
| $3.85M | 0.01% |
57,771
-226,041
| -80% | -$15.6M |
|
1589
Interparfums
IPAR
$3.74B
| $3.85M | 0.01% |
+39,144
| New | +$4.61M |
|
|
TMHC
1590
DELISTED
Taylor Morrison
TMHC
| $3.85M | 0.01% |
58,324
-138,899
| -70% | -$9.14M |
|
1591
Invesco WilderHill Clean Energy ETF
PBW
$393M
| $3.85M | 0.01% |
+133,241
| New | +$3.29M |
|
1592
Crescent Capital BDC
CCAP
$396M
| $3.85M | 0.01% |
269,649
+179,660
| +200% | +$2.69M |
|
1593
QCR Holdings
QCRH
$1.65B
| $3.84M | 0.01% |
50,829
-48,016
| -49% | -$3.62M |
|
1594
Southern Copper
SCCO
$181B
| $3.83M | 0.01% |
32,846
-289,779
| -90% | -$28.1M |
|
|
UDMY
1595
DELISTED
Udemy
UDMY
| $3.83M | 0.01% |
+546,564
| New | +$3.83M |
|
1596
Omeros
OMER
$1.4B
| $3.83M | 0.01% |
933,314
+263,095
| +39% | +$1.04M |
|
|
SLSR
1597
Solaris Resources
SLSR
$1.44B
| $3.82M | 0.01% |
600,114
+582,000
| +3,213% | +$3.09M |
|
1598
H&R Block
HRB
$6.62B
| $3.82M | 0.01% |
75,589
-77,636
| -51% | -$4.1M |
|
1599
Brighthouse Financial
BHF
$2.98B
| $3.82M | 0.01% |
71,996
-424,351
| -85% | -$20.7M |
|
1600
Sonoco
SON
$5.68B
| $3.82M | 0.01% |
88,675
-44,609
| -33% | -$2.06M |
|
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.