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 | |
|---|---|---|---|---|---|---|
2551
PUT
iShares 20+ Year Treasury Bond ETF
TLT
$47.1B
| $929K | ﹤0.01% |
+10,400
| New | +$910K |
|
|
SVM
2552
Silvercorp Metals
SVM
$2.84B
| $926K | ﹤0.01% |
146,465
-919,168
| -86% | -$4.5M |
|
2553
Magnachip Semiconductor
MX
$119M
| $924K | ﹤0.01% |
295,305
-5,183
| -2% | -$17.6K |
|
2554
PUT
CAVA Group
CAVA
$8.09B
| $924K | ﹤0.01% |
+15,300
| New | +$1.16M |
|
|
UNIT
2555
Uniti Group
UNIT
$2.45B
| $923K | ﹤0.01% |
150,744
-105,721
| -41% | -$633K |
|
2556
Metallus
MTUS
$800M
| $919K | ﹤0.01% |
55,587
-19,028
| -26% | -$310K |
|
|
NVMI
2557
Nova
NVMI
$11.7B
| $919K | ﹤0.01% |
2,874
-12,450
| -81% | -$3.44M |
|
2558
LG Display
LPL
$3.38B
| $918K | ﹤0.01% |
175,839
+156,126
| +792% | +$649K |
|
2559
CALL
Dominion Energy
D
$58.9B
| $918K | ﹤0.01% |
+15,000
| New | +$892K |
|
2560
Brink's
BCO
$4.57B
| $917K | ﹤0.01% |
7,848
-38,708
| -83% | -$4.05M |
|
|
ETB
2561
Eaton Vance Tax-Managed Buy-Write Income Fund
ETB
$461M
| $917K | ﹤0.01% |
61,133
+20,767
| +51% | +$306K |
|
2562
Invesco Dorsey Wright Consumer Cyclicals Momentum ETF
PEZ
$22.8M
| $916K | ﹤0.01% |
+9,100
| New | +$910K |
|
2563
Silvercrest Asset Management
SAMG
$78.5M
| $916K | ﹤0.01% |
58,146
-5,802
| -9% | -$94.6K |
|
|
INGM
2564
Ingram Micro Holding
INGM
$6.69B
| $915K | ﹤0.01% |
+42,600
| New | +$864K |
|
2565
Park-Ohio Holdings
PKOH
$653M
| $915K | ﹤0.01% |
43,101
+13,640
| +46% | +$261K |
|
2566
Nelnet
NNI
$4.61B
| $915K | ﹤0.01% |
+7,300
| New | +$913K |
|
2567
Neuronetics
STIM
$227M
| $914K | ﹤0.01% |
334,766
-32,998
| -9% | -$117K |
|
|
MAPS
2568
DELISTED
WM TECHNOLOGY INC A
MAPS
| $914K | ﹤0.01% |
787,714
+295,252
| +60% | +$319K |
|
2569
Ardagh Metal Packaging
AMBP
$3.16B
| $913K | ﹤0.01% |
228,878
-250,015
| -52% | -$995K |
|
|
VSXY
2570
Victoria's Secret
VSXY
$6.94B
| $911K | ﹤0.01% |
33,575
-58,194
| -63% | -$1.31M |
|
2571
Alector
ALEC
$264M
| $909K | ﹤0.01% |
307,179
+85,040
| +38% | +$187K |
|
|
OGI
2572
Organigram Holdings
OGI
$179M
| $907K | ﹤0.01% |
+446,692
| New | +$702K |
|
2573
State Street SPDR S&P Transportation ETF
XTN
$373M
| $906K | ﹤0.01% |
+10,800
| New | +$916K |
|
2574
Paysafe
PSFE
$356M
| $904K | ﹤0.01% |
69,940
+3,135
| +5% | +$41.9K |
|
2575
Uber
UBER
$164B
| $901K | ﹤0.01% |
9,197
-159,921
| -95% | -$15M |
|
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.