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 | |
|---|---|---|---|---|---|---|
676
Buckle
BKE
$2.29B
| $31.6M | 0.03% |
627,249
+415,555
| +196% | +$21.5M |
|
677
Bank of Hawaii
BOH
$3.03B
| $31.5M | 0.03% |
424,910
-54,530
| -11% | -$4.06M |
|
678
Celanese
CE
$4.97B
| $31.4M | 0.03% |
477,757
+254,082
| +114% | +$13.3M |
|
679
Dimensional US Real Estate ETF
DFAR
$1.79B
| $31.4M | 0.03% |
1,326,000
+633,300
| +91% | +$15.2M |
|
680
Netflix
NFLX
$333B
| $31.3M | 0.03% |
325,790
-1,293,049
| -80% | -$114M |
|
681
Pebblebrook Hotel Trust
PEB
$2.07B
| $31.2M | 0.03% |
2,472,720
+1,476,104
| +148% | +$18.1M |
|
682
Ramaco Resources Class A
METC
$788M
| $31.2M | 0.03% |
2,017,027
+731,869
| +57% | +$13M |
|
|
AVB
683
DELISTED
AvalonBay Communities
AVB
| $31M | 0.03% |
189,835
-10,726
| -5% | -$1.87M |
|
684
Devon Energy
DVN
$53.1B
| $31M | 0.03% |
615,351
+512,548
| +499% | +$22M |
|
685
Evergy
EVRG
$18.8B
| $30.9M | 0.03% |
377,528
+297,037
| +369% | +$23.5M |
|
686
Silicon Motion
SIMO
$8.25B
| $30.8M | 0.02% |
274,577
-105,260
| -28% | -$12.8M |
|
687
Immunocore
IMCR
$1.89B
| $30.8M | 0.02% |
1,021,265
+661,972
| +184% | +$21.4M |
|
688
LeMaitre Vascular
LMAT
$1.83B
| $30.8M | 0.02% |
281,978
+138,670
| +97% | +$13.2M |
|
689
ESCO Technologies
ESE
$7.14B
| $30.8M | 0.02% |
+109,362
| New | +$27.6M |
|
690
Moody's
MCO
$88.6B
| $30.7M | 0.02% |
70,460
-138,802
| -66% | -$65.7M |
|
691
First Solar
FSLR
$22.4B
| $30.7M | 0.02% |
155,482
+84,333
| +119% | +$18.7M |
|
692
A10 Networks
ATEN
$1.83B
| $30.5M | 0.02% |
1,319,989
+586,255
| +80% | +$11.5M |
|
693
Canadian Solar
CSIQ
$972M
| $30.4M | 0.02% |
2,198,303
+1,065,027
| +94% | +$20.3M |
|
694
Manhattan Associates
MANH
$12.4B
| $30.4M | 0.02% |
228,519
+93,068
| +69% | +$13.9M |
|
695
BlackRock US Equity Factor Rotation ETF
DYNF
$40.8B
| $30.4M | 0.02% |
522,600
-574,200
| -52% | -$34.8M |
|
696
Dorian LPG
LPG
$2.2B
| $30.4M | 0.02% |
888,795
+314,730
| +55% | +$9.97M |
|
697
PUT
JPMorgan Chase
JPM
$947B
| $30.4M | 0.02% |
103,200
+88,200
| +588% | +$26.8M |
|
698
Evercore
EVR
$11.2B
| $30.3M | 0.02% |
101,485
+92,374
| +1,014% | +$30.2M |
|
699
Flowserve
FLS
$10.2B
| $30.3M | 0.02% |
411,701
+187,394
| +84% | +$14.8M |
|
700
RPM International
RPM
$13.6B
| $30.1M | 0.02% |
303,164
+55,431
| +22% | +$5.99M |
|
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.