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 | |
|---|---|---|---|---|---|---|
2376
NiSource
NI
$19.7B
| $2.92M | ﹤0.01% |
+62,683
| New | +$2.82M |
|
2377
Kite Realty
KRG
$5.26B
| $2.91M | ﹤0.01% |
+118,700
| New | +$2.92M |
|
2378
First Horizon
FHN
$11.6B
| $2.91M | ﹤0.01% |
127,973
-130,651
| -51% | -$3.12M |
|
|
XZO
2379
Exzeo Group
XZO
$1.5B
| $2.91M | ﹤0.01% |
198,429
+186,429
| +1,554% | +$3.31M |
|
2380
PUT
Bitdeer Technologies
BTDR
$2.9B
| $2.91M | ﹤0.01% |
336,500
-308,600
| -48% | -$3.24M |
|
2381
Kura Oncology
KURA
$1.16B
| $2.91M | ﹤0.01% |
357,955
-113,839
| -24% | -$978K |
|
2382
PUT
Spotify
SPOT
$113B
| $2.91M | ﹤0.01% |
+6,000
| New | +$3.01M |
|
2383
Arrow Financial
AROW
$705M
| $2.9M | ﹤0.01% |
86,517
+6,143
| +8% | +$205K |
|
2384
Zimmer Biomet
ZBH
$19.3B
| $2.89M | ﹤0.01% |
31,960
+28,759
| +898% | +$2.64M |
|
2385
Blue Ridge Bankshares
BRBS
$353M
| $2.89M | ﹤0.01% |
687,463
+62,141
| +10% | +$260K |
|
|
BELFB
2386
Bel Fuse Inc Class B
BELFB
$3.68B
| $2.89M | ﹤0.01% |
+14,584
| New | +$3.05M |
|
2387
CALL
Rocket Companies
RKT
$39.4B
| $2.88M | ﹤0.01% |
201,900
+171,800
| +571% | +$3.13M |
|
2388
Appian
APPN
$2.75B
| $2.87M | ﹤0.01% |
119,066
-200,036
| -63% | -$5.43M |
|
2389
Live Nation Entertainment
LYV
$42.5B
| $2.87M | ﹤0.01% |
18,800
| – | – |
|
|
TERN
2390
DELISTED
Terns Pharmaceuticals
TERN
| $2.87M | ﹤0.01% |
54,366
+10,500
| +24% | +$431K |
|
|
CBK
2391
Commercial Bancgroup
CBK
$463M
| $2.86M | ﹤0.01% |
109,734
+25,849
| +31% | +$663K |
|
2392
NatWest
NWG
$74.5B
| $2.85M | ﹤0.01% |
191,419
+123,546
| +182% | +$2.05M |
|
2393
Vanguard S&P 500 ETF
VOO
$1.02T
| $2.85M | ﹤0.01% |
4,765
+2,645
| +125% | +$1.65M |
|
2394
OneSpan
OSPN
$566M
| $2.84M | ﹤0.01% |
269,859
+214,023
| +383% | +$2.43M |
|
2395
Relmada Therapeutics
RLMD
$485M
| $2.84M | ﹤0.01% |
408,095
-164,740
| -29% | -$779K |
|
2396
Pliant Therapeutics
PLRX
$71.8M
| $2.84M | ﹤0.01% |
2,253,138
+1,299,845
| +136% | +$1.64M |
|
2397
Biglari Holdings Class B
BH
$1.22B
| $2.83M | ﹤0.01% |
8,595
+941
| +12% | +$352K |
|
2398
Cass Information Systems
CASS
$731M
| $2.83M | ﹤0.01% |
64,328
+1,848
| +3% | +$81.4K |
|
2399
Southern Missouri Bancorp
SMBC
$818M
| $2.83M | ﹤0.01% |
44,227
+14,467
| +49% | +$905K |
|
2400
Alexandria Real Estate Equities
ARE
$9.12B
| $2.83M | ﹤0.01% |
60,870
+55,150
| +964% | +$2.91M |
|
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.