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 | |
|---|---|---|---|---|---|---|
326
Toronto Dominion Bank
TD
$194B
| $82.1M | 0.07% |
+880,112
| New | +$83.7M |
|
327
Astera Labs
ALAB
$49.4B
| $81.6M | 0.07% |
744,309
+110,935
| +18% | +$15.8M |
|
328
Halliburton
HAL
$29.4B
| $81.2M | 0.07% |
2,081,755
+1,765,393
| +558% | +$61.1M |
|
329
Descartes Systems
DSGX
$6.7B
| $81.1M | 0.07% |
1,132,659
+717,750
| +173% | +$53M |
|
330
Vanguard Financials ETF
VFH
$13.8B
| $80.8M | 0.07% |
+669,100
| New | +$85.3M |
|
331
NIO
NIO
$11.6B
| $80.4M | 0.06% |
13,330,862
+12,651,862
| +1,863% | +$63.9M |
|
332
QuantumScape Corp
QS
$3.68B
| $80.3M | 0.06% |
12,580,529
+6,865,581
| +120% | +$57M |
|
333
argenx
ARGX
$65B
| $79.7M | 0.06% |
109,121
-149,435
| -58% | -$117M |
|
|
SUNC
334
SunocoCorp LLC
SUNC
$3.98B
| $79.6M | 0.06% |
+1,290,979
| New | +$73.3M |
|
335
Centuri Holdings
CTRI
$2.16B
| $79.3M | 0.06% |
2,714,520
+1,728,781
| +175% | +$50.4M |
|
336
State Street SPDR S&P Oil & Gas Exploration & Production ETF
XOP
$3.93B
| $79.1M | 0.06% |
435,124
-23,270
| -5% | -$3.51M |
|
337
Regions Financial
RF
$25.9B
| $78.9M | 0.06% |
3,020,981
+488,473
| +19% | +$13.6M |
|
338
Fluence Energy
FLNC
$1.62B
| $78.4M | 0.06% |
5,695,266
+2,660,229
| +88% | +$53.4M |
|
339
State Street
STT
$51.4B
| $78.3M | 0.06% |
618,835
+211,755
| +52% | +$27.1M |
|
340
Wabtec
WAB
$50.3B
| $77.9M | 0.06% |
311,906
+221,379
| +245% | +$53.5M |
|
341
VanEck Gold Miners ETF
GDX
$31.8B
| $77.9M | 0.06% |
849,048
+717,944
| +548% | +$70.7M |
|
342
NNN REIT
NNN
$8.8B
| $77.7M | 0.06% |
1,848,688
+1,397,357
| +310% | +$60.2M |
|
343
Sibanye-Stillwater
SBSW
$8.9B
| $77.7M | 0.06% |
6,303,966
+4,147,000
| +192% | +$64.6M |
|
344
Four Corners Property Trust
FCPT
$2.77B
| $77.5M | 0.06% |
3,274,971
+2,192,019
| +202% | +$54.3M |
|
345
Agilent Technologies
A
$44.9B
| $77.2M | 0.06% |
677,347
+411,973
| +155% | +$52.3M |
|
346
PUT
State Street SPDR S&P 500 ETF Trust
SPY
$809B
| $77.1M | 0.06% |
118,600
+73,900
| +165% | +$50.2M |
|
|
347
CALL
State Street SPDR S&P 500 ETF Trust
SPY
$809B
| $76.8M | 0.06% |
118,100
+74,100
| +168% | +$50.4M |
|
348
PNC Financial Services
PNC
$97B
| $76.4M | 0.06% |
366,957
+331,645
| +939% | +$72.2M |
|
349
SAP
SAP
$252B
| $76.3M | 0.06% |
445,436
+365,026
| +454% | +$75.3M |
|
|
EXK
350
Endeavour Silver
EXK
$3.15B
| $76M | 0.06% |
8,163,504
+4,497,365
| +123% | +$50.8M |
|
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.