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 | |
|---|---|---|---|---|---|---|
1251
Scholar Rock
SRRK
$7.09B
| $5.92M | 0.01% |
159,068
-66,829
| -30% | -$2.34M |
|
|
PNNT
1252
Pennant Park Investment Corp
PNNT
$246M
| $5.92M | 0.01% |
881,536
-46,635
| -5% | -$332K |
|
1253
iShares US Oil & Gas Exploration & Production ETF
IEO
$616M
| $5.9M | 0.01% |
+63,748
| New | +$5.78M |
|
1254
NETSCOUT
NTCT
$2.75B
| $5.89M | 0.01% |
227,937
-36,505
| -14% | -$864K |
|
1255
Fidelity MSCI Financials Index ETF
FNCL
$2.43B
| $5.87M | 0.01% |
76,900
-18,000
| -19% | -$1.36M |
|
1256
Choice Hotels
CHH
$5B
| $5.86M | 0.01% |
+54,792
| New | +$6.69M |
|
1257
ThredUp
TDUP
$369M
| $5.85M | 0.01% |
619,008
-316,766
| -34% | -$3M |
|
|
SBR
1258
Sabine Royalty Trust
SBR
$1.06B
| $5.84M | 0.01% |
73,515
+17,385
| +31% | +$1.24M |
|
1259
SLR Investment Corp
SLRC
$693M
| $5.81M | 0.01% |
380,119
+76,931
| +25% | +$1.25M |
|
1260
Central Garden & Pet Co Class A
CENTA
$2.4B
| $5.81M | 0.01% |
196,777
+180,503
| +1,109% | +$6.01M |
|
1261
Telus
TU
$15.5B
| $5.8M | 0.01% |
367,830
+293,800
| +397% | +$4.77M |
|
1262
Byline Bancorp
BY
$1.73B
| $5.8M | 0.01% |
209,005
-16,682
| -7% | -$465K |
|
1263
CALL
Tesla
TSLA
$1.38T
| $5.78M | 0.01% |
+13,000
| New | +$4.51M |
|
1264
Central Pacific Financial
CPF
$972M
| $5.76M | 0.01% |
189,695
-14,208
| -7% | -$416K |
|
1265
PUT
Beyond Meat
BYND
$243M
| $5.75M | 0.01% |
101,447
+11,760
| +13% | +$1.04M |
|
1266
State Street SPDR S&P Software & Services ETF
XSW
$511M
| $5.74M | 0.01% |
+29,000
| New | +$5.53M |
|
1267
Kelly Services Class A
KELYA
$583M
| $5.73M | 0.01% |
436,953
+63,995
| +17% | +$854K |
|
1268
Rockwell Automation
ROK
$47.7B
| $5.73M | 0.01% |
16,400
-44,290
| -73% | -$15.3M |
|
1269
Intuit
INTU
$101B
| $5.73M | 0.01% |
8,386
-249,401
| -97% | -$180M |
|
1270
Relay Therapeutics
RLAY
$4.33B
| $5.72M | 0.01% |
1,095,635
+72,251
| +7% | +$276K |
|
|
CHYM
1271
Chime Financial
CHYM
$12.4B
| $5.71M | 0.01% |
+283,287
| New | +$8.05M |
|
1272
Agnico Eagle Mines
AEM
$110B
| $5.71M | 0.01% |
+33,879
| New | +$4.65M |
|
1273
Gold Fields
GFI
$42.3B
| $5.71M | 0.01% |
135,991
-77,700
| -36% | -$2.41M |
|
|
APLS
1274
DELISTED
Apellis Pharmaceuticals
APLS
| $5.7M | 0.01% |
252,068
-154,845
| -38% | -$3.61M |
|
1275
MGP Ingredients
MGPI
$384M
| $5.7M | 0.01% |
235,779
+72,270
| +44% | +$2.1M |
|
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.