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 | |
|---|---|---|---|---|---|---|
|
JBS
401
JBS N.V.
JBS
$45.5B
| $34.7M | 0.05% |
+2,323,336
| New | +$33.9M |
|
402
Vital Farms
VITL
$454M
| $34.6M | 0.05% |
840,508
+516,037
| +159% | +$22.4M |
|
403
Franklin Templeton
BEN
$17.4B
| $34.6M | 0.05% |
1,494,817
+936,105
| +168% | +$23.1M |
|
404
IQVIA
IQV
$42.8B
| $34.5M | 0.05% |
181,515
-936,161
| -84% | -$170M |
|
405
Invesco S&P 500 High Dividend Low Volatility ETF
SPHD
$3.45B
| $34.3M | 0.05% |
+694,600
| New | +$33.9M |
|
406
FTI Consulting
FCN
$4.3B
| $34.3M | 0.05% |
212,385
+191,885
| +936% | +$31.9M |
|
407
Globe Life
GL
$13.1B
| $34.2M | 0.05% |
239,386
+84,428
| +54% | +$11.4M |
|
408
Aon
AON
$75.3B
| $34.1M | 0.05% |
95,683
-533,872
| -85% | -$193M |
|
409
CarMax
KMX
$8.82B
| $34.1M | 0.05% |
760,241
+89,640
| +13% | +$5.35M |
|
410
Descartes Systems
DSGX
$6.7B
| $34.1M | 0.05% |
361,901
+244,252
| +208% | +$25M |
|
411
Lamb Weston
LW
$7.38B
| $34.1M | 0.05% |
586,479
+228,684
| +64% | +$12.5M |
|
412
Fortuna Silver Mines
FSM
$3.57B
| $34.1M | 0.05% |
3,801,318
+25,701
| +0.7% | +$188K |
|
413
Robinhood
HOOD
$97.2B
| $34M | 0.05% |
237,770
-2,077,306
| -90% | -$227M |
|
414
Jabil
JBL
$32.8B
| $34M | 0.05% |
156,418
+53,602
| +52% | +$11.7M |
|
415
BioCryst Pharmaceuticals
BCRX
$2.44B
| $33.5M | 0.05% |
4,419,629
+131,406
| +3% | +$1.09M |
|
416
Essent Group
ESNT
$6.12B
| $33.5M | 0.05% |
527,723
+209,198
| +66% | +$12.7M |
|
|
BCPC
417
Balchem Corp
BCPC
$5.78B
| $33.3M | 0.05% |
221,639
+62,652
| +39% | +$9.87M |
|
418
Generac Holdings
GNRC
$12.2B
| $33.1M | 0.05% |
197,851
+182,975
| +1,230% | +$32.1M |
|
419
Ingredion
INGR
$6.74B
| $33.1M | 0.05% |
271,006
+146,874
| +118% | +$18.9M |
|
420
PUT
Starwood Property Trust
STWD
$6.06B
| $32.9M | 0.05% |
1,698,400
| – | – |
|
421
VictoryShares Free Cash Flow ETF
VFLO
$10.5B
| $32.8M | 0.05% |
+874,300
| New | +$31.7M |
|
422
Stantec
STN
$8.33B
| $32.6M | 0.05% |
302,168
+186,940
| +162% | +$20.4M |
|
423
Box
BOX
$4.56B
| $32.6M | 0.05% |
1,009,251
-1,017,399
| -50% | -$32.9M |
|
424
Black Hills Corp
BKH
$5.47B
| $32.4M | 0.05% |
525,653
+361,751
| +221% | +$21.3M |
|
425
FTAI Aviation
FTAI
$21.5B
| $32.3M | 0.05% |
193,813
-94,704
| -33% | -$13.5M |
|
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.