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 | |
|---|---|---|---|---|---|---|
2901
Pacer US Small Cap Cash Cows 100 ETF
CALF
$3.96B
| $503K | ﹤0.01% |
+11,500
| New | +$485K |
|
2902
Stellantis
STLA
$19.7B
| $503K | ﹤0.01% |
+53,887
| New | +$515K |
|
2903
CALL
Rocket Lab Corp
RKLB
$43.7B
| $503K | ﹤0.01% |
+10,500
| New | +$476K |
|
2904
Clearwater Paper
CLW
$343M
| $503K | ﹤0.01% |
24,226
-42,553
| -64% | -$1.03M |
|
2905
CALL
Wells Fargo
WFC
$256B
| $503K | ﹤0.01% |
+6,000
| New | +$487K |
|
2906
Ituran Location and Control
ITRN
$1B
| $502K | ﹤0.01% |
14,040
-27,684
| -66% | -$1.05M |
|
2907
CALL
Roku
ROKU
$23.5B
| $501K | ﹤0.01% |
+5,000
| New | +$461K |
|
|
NEXN
2908
Nexxen International
NEXN
$570M
| $500K | ﹤0.01% |
54,073
-18,387
| -25% | -$182K |
|
2909
Entravision Communication
EVC
$748M
| $500K | ﹤0.01% |
214,577
+48,275
| +29% | +$117K |
|
|
BCIC
2910
BCP Investment Corp
BCIC
$94.9M
| $497K | ﹤0.01% |
43,079
-38,425
| -47% | -$473K |
|
|
VOXR
2911
Vox Royalty Corp
VOXR
$406M
| $496K | ﹤0.01% |
+115,299
| New | +$396K |
|
|
CNL
2912
Collective Mining Ltd
CNL
$1.5B
| $496K | ﹤0.01% |
+34,300
| New | +$389K |
|
2913
Noble Corp
NE
$7.34B
| $495K | ﹤0.01% |
17,498
+4,700
| +37% | +$133K |
|
2914
New Oriental
EDU
$8.97B
| $494K | ﹤0.01% |
+9,300
| New | +$459K |
|
|
ARR
2915
Armour Residential REIT
ARR
$2.32B
| $493K | ﹤0.01% |
33,016
-379,987
| -92% | -$5.96M |
|
|
KYNB
2916
Kyntra Bio
KYNB
$32.3M
| $493K | ﹤0.01% |
40,218
+26,107
| +185% | +$245K |
|
2917
Metagenomi Therapeutics
MGX
$45.7M
| $492K | ﹤0.01% |
207,528
+193,641
| +1,394% | +$393K |
|
2918
Ballast Small/Mid Cap ETF
MGMT
$174M
| $489K | ﹤0.01% |
+11,100
| New | +$473K |
|
2919
MetroCity Bankshares
MCBS
$1.02B
| $489K | ﹤0.01% |
17,646
+3,534
| +25% | +$103K |
|
|
FRGE
2920
DELISTED
Forge Global Holdings
FRGE
| $488K | ﹤0.01% |
+28,901
| New | +$536K |
|
2921
Optical Cable Corp
OCC
$116M
| $487K | ﹤0.01% |
+60,031
| New | +$367K |
|
2922
PUT
Oscar Health
OSCR
$9.82B
| $485K | ﹤0.01% |
+25,600
| New | +$422K |
|
2923
CI&T Inc
CINT
$474M
| $484K | ﹤0.01% |
94,061
+32,949
| +54% | +$178K |
|
2924
Civeo
CVEO
$348M
| $484K | ﹤0.01% |
21,061
-9,416
| -31% | -$221K |
|
|
DMC
2925
Del Monte Corp
DMC
$1.51B
| $481K | ﹤0.01% |
13,852
-37,455
| -73% | -$1.33M |
|
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.