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 | |
|---|---|---|---|---|---|---|
226
Hormel Foods
HRL
$13.1B
| $78.5M | 0.12% |
3,174,553
+1,770,852
| +126% | +$49M |
|
|
FIG
227
Figma
FIG
$14.4B
| $77.9M | 0.12% |
+1,502,712
| New | +$103M |
|
228
Insulet
PODD
$10.3B
| $77.4M | 0.12% |
250,804
-112,628
| -31% | -$35.3M |
|
229
Equinox Gold
EQX
$15.8B
| $77.3M | 0.12% |
6,891,313
+1,371,356
| +25% | +$10.9M |
|
|
GAP
230
The Gap Inc
GAP
$7.13B
| $76.8M | 0.11% |
3,588,944
+1,974,298
| +122% | +$42.7M |
|
231
Otis Worldwide
OTIS
$27.2B
| $75.9M | 0.11% |
830,587
-222,508
| -21% | -$20.2M |
|
232
Tyson Foods
TSN
$20.6B
| $74.6M | 0.11% |
1,373,370
+1,232,835
| +877% | +$68.1M |
|
233
United Rentals
URI
$68.4B
| $74.5M | 0.11% |
78,064
+75,858
| +3,439% | +$67.6M |
|
234
Aflac
AFL
$58.2B
| $73M | 0.11% |
653,853
+523,845
| +403% | +$55M |
|
235
RH
RH
$2.9B
| $73M | 0.11% |
359,093
+104,154
| +41% | +$22.6M |
|
236
BCE
BCE
$22.1B
| $72.9M | 0.11% |
3,115,291
-85,127
| -3% | -$2.05M |
|
237
Vanguard Financials ETF
VFH
$13.8B
| $72.8M | 0.11% |
554,500
+208,500
| +60% | +$27M |
|
238
Booz Allen Hamilton
BAH
$9.27B
| $72M | 0.11% |
720,230
+579,222
| +411% | +$61.9M |
|
239
EXL Service
EXLS
$5.69B
| $71.4M | 0.11% |
1,621,732
+411,652
| +34% | +$17.8M |
|
240
Grab
GRAB
$14.2B
| $71.3M | 0.11% |
11,844,895
-2,855,417
| -19% | -$15.2M |
|
241
Transmedics
TMDX
$3.29B
| $71.3M | 0.11% |
635,394
+223,409
| +54% | +$26.2M |
|
242
Watsco Inc
WSO
$12.9B
| $70M | 0.1% |
173,078
+171,654
| +12,054% | +$73.4M |
|
243
Toast
TOST
$21.2B
| $69.9M | 0.1% |
1,915,901
+105,513
| +6% | +$4.58M |
|
244
Gartner
IT
$12.4B
| $69.6M | 0.1% |
264,954
-271,055
| -51% | -$79.1M |
|
245
Applied Digital
APLD
$7.74B
| $69.5M | 0.1% |
+3,031,154
| New | +$44.9M |
|
246
Welltower
WELL
$172B
| $69.3M | 0.1% |
+389,289
| New | +$64M |
|
247
Schwab US Large-Cap Growth ETF
SCHG
$62B
| $69M | 0.1% |
2,163,723
-1,166,400
| -35% | -$35.5M |
|
248
Invesco NASDAQ 100 ETF
QQQM
$103B
| $69M | 0.1% |
279,200
+272,100
| +3,832% | +$64.1M |
|
249
TE Connectivity
TEL
$58.9B
| $68.7M | 0.1% |
312,825
+310,942
| +16,513% | +$62.3M |
|
250
MP Materials
MP
$10.7B
| $68.5M | 0.1% |
1,021,939
-1,379,457
| -57% | -$86.8M |
|
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.