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 | |
|---|---|---|---|---|---|---|
876
Gogo Inc
GOGO
$347M
| $10.5M | 0.02% |
1,218,005
+1,019,195
| +513% | +$12.9M |
|
877
Shinhan Financial Group
SHG
$35.2B
| $10.5M | 0.02% |
207,533
+42,108
| +25% | +$2.06M |
|
878
Avis
CAR
$5.19B
| $10.5M | 0.02% |
65,091
-274,971
| -81% | -$46.3M |
|
879
SPS Commerce
SPSC
$2.93B
| $10.4M | 0.02% |
99,942
+70,942
| +245% | +$8.44M |
|
880
JPMorgan Nasdaq Equity Premium Income ETF
JEPQ
$41.1B
| $10.4M | 0.02% |
180,300
-224,100
| -55% | -$12.4M |
|
881
SSR Mining
SSRM
$7.87B
| $10.4M | 0.02% |
424,137
-402,132
| -49% | -$6.8M |
|
882
Thor Industries
THO
$4.13B
| $10.3M | 0.02% |
99,533
-17,807
| -15% | -$1.79M |
|
883
MaxLinear
MXL
$5.69B
| $10.3M | 0.02% |
641,577
+81,403
| +15% | +$1.28M |
|
884
J&J Snack Foods
JJSF
$1.68B
| $10.3M | 0.02% |
107,202
+97,108
| +962% | +$10.8M |
|
885
BrightSpring Health Services
BTSG
$11.8B
| $10.3M | 0.02% |
348,434
-732,947
| -68% | -$17M |
|
886
Tennant Co
TNC
$1.16B
| $10.3M | 0.02% |
127,018
+16,714
| +15% | +$1.37M |
|
887
Petco
WOOF
$822M
| $10.2M | 0.02% |
2,638,619
+399,979
| +18% | +$1.34M |
|
|
GTY
888
Getty Realty Corp
GTY
$2.07B
| $10.2M | 0.02% |
380,332
-11,414
| -3% | -$318K |
|
889
CALL
NVIDIA
NVDA
$5.05T
| $10.2M | 0.02% |
+54,600
| New | +$9.52M |
|
890
PUT
Eos Energy Enterprises
EOSE
$1.26B
| $10.2M | 0.02% |
893,800
+593,800
| +198% | +$4.06M |
|
|
MBVIU
891
M3-Brigade Acquisition VI Corp Units
MBVIU
| $10.2M | 0.02% |
+1,005,208
| New | +$10.1M |
|
|
LB
892
LandBridge Co
LB
$2.47B
| $10.2M | 0.02% |
190,466
+7,440
| +4% | +$410K |
|
893
Blue Bird Corp
BLBD
$1.87B
| $10.2M | 0.02% |
176,532
-31,092
| -15% | -$1.62M |
|
894
Sweetgreen
SG
$834M
| $10.2M | 0.02% |
1,272,230
-664,981
| -34% | -$7.23M |
|
895
iShares US Regional Banks ETF
IAT
$665M
| $10.1M | 0.02% |
193,000
+117,100
| +154% | +$6.1M |
|
896
Ingles Markets
IMKTA
$1.62B
| $10.1M | 0.02% |
145,510
+27,403
| +23% | +$1.83M |
|
|
BA.PRA
897
Boeing Co 6.00% Series A Preferred Stock
BA.PRA
$7.51B
| $10.1M | 0.02% |
145,350
-447,156
| -75% | -$32.3M |
|
898
Seaboard Corp
SEB
$4.05B
| $10.1M | 0.02% |
2,767
-796
| -22% | -$2.77M |
|
899
Bumble
BMBL
$376M
| $10M | 0.01% |
1,647,519
+418,506
| +34% | +$2.86M |
|
900
Cerence
CRNC
$342M
| $10M | 0.01% |
802,981
+659,029
| +458% | +$6.75M |
|
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.