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 | |
|---|---|---|---|---|---|---|
1251
iShares US Basic Materials ETF
IYM
$1.04B
| $11.6M | 0.01% |
+65,800
| New | +$11.5M |
|
1252
Comfort Systems
FIX
$56.3B
| $11.6M | 0.01% |
8,394
+4,815
| +135% | +$6.11M |
|
|
HIVE
1253
HIVE Digital Technologies
HIVE
$790M
| $11.6M | 0.01% |
6,090,807
+552,222
| +10% | +$1.36M |
|
1254
Enova International
ENVA
$6.15B
| $11.6M | 0.01% |
85,132
+53,803
| +172% | +$8.01M |
|
1255
Park Hotels & Resorts
PK
$3.22B
| $11.5M | 0.01% |
1,094,649
+771,760
| +239% | +$8.52M |
|
1256
Nuvation Bio
NUVB
$2.42B
| $11.5M | 0.01% |
2,684,089
+1,948,144
| +265% | +$10.9M |
|
1257
PUT
Salesforce
CRM
$170B
| $11.5M | 0.01% |
+61,600
| New | +$12.8M |
|
1258
First Trust Financials AlphaDEX Fund
FXO
$1.12B
| $11.5M | 0.01% |
204,100
+142,300
| +230% | +$8.44M |
|
1259
Entegris
ENTG
$21.2B
| $11.5M | 0.01% |
97,752
+73,152
| +297% | +$8.65M |
|
1260
CALL
TSMC
TSM
$2.16T
| $11.5M | 0.01% |
33,900
+23,900
| +239% | +$8.22M |
|
|
FSUN
1261
FirstSun Capital Bancorp
FSUN
$1.77B
| $11.4M | 0.01% |
313,844
+113,173
| +56% | +$4.29M |
|
1262
Gladstone Investment Corp
GAIN
$658M
| $11.4M | 0.01% |
804,263
+614,020
| +323% | +$8.56M |
|
1263
AGCO
AGCO
$7.67B
| $11.4M | 0.01% |
98,549
+47,952
| +95% | +$5.81M |
|
1264
Freshworks
FRSH
$3.41B
| $11.4M | 0.01% |
1,421,664
+142,395
| +11% | +$1.31M |
|
1265
Fidelity MSCI Information Technology Index ETF
FTEC
$20.6B
| $11.4M | 0.01% |
54,788
-160,300
| -75% | -$35.2M |
|
1266
American Eagle Outfitters
AEO
$2.82B
| $11.4M | 0.01% |
680,637
+228,999
| +51% | +$5.14M |
|
1267
International Bancshares
IBOC
$4.43B
| $11.3M | 0.01% |
168,582
+162,090
| +2,497% | +$11.2M |
|
1268
Spectrum Brands
SPB
$2.01B
| $11.3M | 0.01% |
153,529
-208,491
| -58% | -$14.9M |
|
|
FOLD
1269
DELISTED
Amicus Therapeutics
FOLD
| $11.3M | 0.01% |
781,741
-691,600
| -47% | -$9.91M |
|
1270
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$46B
| $11.3M | 0.01% |
+24,400
| New | +$11.8M |
|
1271
Marcus & Millichap
MMI
$1.22B
| $11.3M | 0.01% |
424,337
+210,780
| +99% | +$5.55M |
|
|
1272
CALL
Amazon
AMZN
$2.81T
| $11.2M | 0.01% |
54,000
-51,200
| -49% | -$11.3M |
|
1273
CALL
Arista Networks
ANET
$240B
| $11.2M | 0.01% |
91,500
+55,500
| +154% | +$7.42M |
|
1274
iShares Semiconductor ETF
SOXX
$41.9B
| $11.2M | 0.01% |
34,116
-24,093
| -41% | -$8.22M |
|
1275
PUT
Johnson & Johnson
JNJ
$656B
| $11.2M | 0.01% |
45,700
+18,500
| +68% | +$4.31M |
|
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.