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 |
NVIDIA
NVDA
|
+$1.84B |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$1.38B |
| 3 |
Apple
AAPL
|
+$1.31B |
| 4 |
Amazon
AMZN
|
+$1.14B |
| 5 |
Tesla
TSLA
|
+$966M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amgen
AMGN
|
+$224M |
| 2 |
VanEck Semiconductor ETF
SMH
|
+$216M |
| 3 |
Procter & Gamble
PG
|
+$215M |
| 4 |
State Street Technology Select Sector SPDR ETF
XLK
|
+$212M |
| 5 |
Eaton
ETN
|
+$197M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 18.76% |
| 2 | Financials | 13.52% |
| 3 | Healthcare | 11.32% |
| 4 | Industrials | 11.3% |
| 5 | Consumer Discretionary | 10.01% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
176
Accenture
ACN
$113B
| $162M | 0.13% |
818,604
+791,621
| +2,934% | +$184M |
|
177
Portland General Electric
POR
$5.83B
| $160M | 0.13% |
3,040,919
+1,996,162
| +191% | +$103M |
|
178
Insulet
PODD
$10.3B
| $160M | 0.13% |
762,349
+395,627
| +108% | +$99.4M |
|
179
J.M. Smucker
SJM
$13.3B
| $159M | 0.13% |
1,646,723
+468,921
| +40% | +$49.1M |
|
180
Textron
TXT
$14.3B
| $158M | 0.13% |
1,800,126
+1,368,140
| +317% | +$128M |
|
181
Essential Properties Realty Trust
EPRT
$6.67B
| $157M | 0.13% |
5,185,988
+3,197,717
| +161% | +$101M |
|
182
Teledyne Technologies
TDY
$29.5B
| $155M | 0.13% |
256,522
+174,557
| +213% | +$109M |
|
183
RBC Bearings
RBC
$16B
| $155M | 0.12% |
285,087
+134,968
| +90% | +$71.6M |
|
184
Stryker
SYK
$126B
| $154M | 0.12% |
469,215
+380,187
| +427% | +$136M |
|
185
Black Hills Corp
BKH
$5.47B
| $154M | 0.12% |
2,216,003
+1,039,059
| +88% | +$74.8M |
|
186
American Airlines Group
AAL
$9.15B
| $152M | 0.12% |
14,180,118
+1,597,220
| +13% | +$21.2M |
|
187
Applied Materials
AMAT
$391B
| $152M | 0.12% |
443,650
+412,659
| +1,332% | +$139M |
|
188
Revolution Medicines
RVMD
$44.9B
| $152M | 0.12% |
1,558,807
+1,137,072
| +270% | +$115M |
|
189
Cummins
CMI
$80.9B
| $150M | 0.12% |
277,961
+267,067
| +2,452% | +$151M |
|
190
Otis Worldwide
OTIS
$27.2B
| $149M | 0.12% |
1,937,436
+1,363,291
| +237% | +$119M |
|
191
Suncor Energy
SU
$80B
| $148M | 0.12% |
2,244,916
-535,993
| -19% | -$29.6M |
|
192
Deckers Outdoor
DECK
$12.5B
| $147M | 0.12% |
1,467,676
+265,547
| +22% | +$28.5M |
|
193
Cadence Design Systems
CDNS
$87.9B
| $145M | 0.12% |
523,365
+74,041
| +16% | +$22.1M |
|
194
Morningstar
MORN
$8.1B
| $145M | 0.12% |
859,459
+477,005
| +125% | +$88.6M |
|
195
Southern Copper
SCCO
$182B
| $145M | 0.12% |
860,380
+486,446
| +130% | +$88M |
|
196
Viking Therapeutics
VKTX
$3.95B
| $144M | 0.12% |
4,432,142
+1,996,405
| +82% | +$64.2M |
|
197
Rivian
RIVN
$24.6B
| $144M | 0.12% |
9,553,422
-3,650,062
| -28% | -$58.3M |
|
198
Caterpillar
CAT
$381B
| $143M | 0.12% |
201,870
+188,670
| +1,429% | +$131M |
|
|
SPYM
199
State Street SPDR Portfolio S&P 500 ETF
SPYM
$169B
| $140M | 0.11% |
1,832,000
+60,500
| +3% | +$4.84M |
|
200
Fortis
FTS
$28B
| $140M | 0.11% |
2,507,701
+1,871,886
| +294% | +$103M |
|
Similar funds
John Overdeck's Q1 2026 Portfolio in Review
As of Q1 2026, John Overdeck held 5,070 positions worth $124B, up 75% from $70.9B the previous quarter. Its ten largest holdings account for 9.4% of the portfolio.
John Overdeck deployed $54.2B of net new capital in Q1 2026, opening 1,038 new positions and adding to 2,050 existing holdings. Its largest new stake was Broadcom: 2,225,253 shares worth $689M.
By sector, the portfolio is most concentrated in Technology at 19% of assets, up from 16% a quarter earlier, followed by Financials and Healthcare.
On the sell side, the largest reduction was Amgen, an estimated $224M trimmed.
- John Overdeck's largest Q1 2026 buy was Broadcom: 2,225,253 shares worth $689M.
- John Overdeck added most to NVIDIA in Q1 2026, an estimated $1.84B increase.
- John Overdeck's biggest Q1 2026 reduction was Amgen, cutting an estimated $224M.
- John Overdeck fully exited First Trust Dow Jones Internet Index Fund ETF in Q1 2026, selling an estimated $82.2M.
- John Overdeck's ten largest holdings make up 9.4% of its $124B portfolio in Q1 2026.
- John Overdeck opened 1,038 new positions and closed 524 in Q1 2026.
- John Overdeck's portfolio value rose 75% quarter-over-quarter to $124B.
Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.