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 |
Intuit
INTU
|
+$753M |
| 2 |
Boston Scientific
BSX
|
+$540M |
| 3 |
Dow Inc
DOW
|
+$485M |
| 4 |
Wells Fargo
WFC
|
+$457M |
| 5 |
Goldman Sachs
GS
|
+$378M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Micron Technology
MU
|
+$1.32B |
| 2 |
NVIDIA
NVDA
|
+$1.02B |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$787M |
| 4 |
SNDK
Sandisk
SNDK
|
+$744M |
| 5 |
Dell
DELL
|
+$688M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 19.71% |
| 2 | Financials | 15.22% |
| 3 | Healthcare | 11.94% |
| 4 | Industrials | 11.55% |
| 5 | Consumer Discretionary | 9.6% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
301
KT
KT
$9B
| $101M | 0.07% |
5,849,987
+799,121
| +16% | +$15.9M |
|
302
Viper Energy
VNOM
$16.3B
| $100M | 0.07% |
2,358,096
+1,436,286
| +156% | +$66.3M |
|
303
JetBlue
JBLU
$1.85B
| $99.5M | 0.07% |
17,366,605
+5,523,503
| +47% | +$28.1M |
|
304
Riot Platforms
RIOT
$7.44B
| $99.5M | 0.07% |
3,632,510
+3,236,381
| +817% | +$73M |
|
305
Xenon Pharmaceuticals
XENE
$5.88B
| $99.2M | 0.07% |
1,642,848
+1,036,763
| +171% | +$57.6M |
|
306
Entegris
ENTG
$22B
| $99.1M | 0.07% |
551,105
+453,353
| +464% | +$65.4M |
|
307
Vanguard Morningstar Growth ETF
VUG
$225B
| $99.1M | 0.07% |
1,150,200
-4,105,080
| -78% | -$345M |
|
308
Mobileye
MBLY
$7.68B
| $98.9M | 0.07% |
10,216,964
+326,574
| +3% | +$2.91M |
|
309
iShares S&P 500 Growth ETF
IVW
$75.9B
| $98.7M | 0.07% |
717,831
-1,252,800
| -64% | -$165M |
|
310
Ametek
AME
$54.9B
| $98.4M | 0.07% |
406,681
-1,224,411
| -75% | -$282M |
|
311
Lam Research
LRCX
$393B
| $97.6M | 0.07% |
225,152
-1,277,075
| -85% | -$388M |
|
312
Eli Lilly
LLY
$1.12T
| $97.4M | 0.07% |
81,240
+16,690
| +26% | +$17.1M |
|
313
ImmunityBio
IBRX
$8.26B
| $97.2M | 0.07% |
11,097,106
+6,711,606
| +153% | +$50.8M |
|
314
Jazz Pharmaceuticals
JAZZ
$16.5B
| $96.4M | 0.07% |
400,212
+380,612
| +1,942% | +$83.4M |
|
315
NXP Semiconductors
NXPI
$56.9B
| $96.4M | 0.07% |
+343,084
| New | +$94.5M |
|
316
Doximity
DOCS
$4.51B
| $96.4M | 0.07% |
4,647,309
+3,277,156
| +239% | +$72.5M |
|
317
Genmab
GMAB
$20.6B
| $96.3M | 0.07% |
3,506,843
+1,167,411
| +50% | +$31M |
|
318
Cboe Global Markets
CBOE
$31.4B
| $96.1M | 0.07% |
395,978
+226,891
| +134% | +$69.4M |
|
319
Unilever
UL
$138B
| $95.7M | 0.07% |
1,592,185
+1,424,346
| +849% | +$82.3M |
|
320
MGM Resorts International
MGM
$11B
| $95.5M | 0.07% |
1,998,075
+1,093,252
| +121% | +$45.4M |
|
321
State Street Consumer Staples Select Sector SPDR ETF
XLP
$14.9B
| $93.6M | 0.07% |
1,126,423
+1,000,923
| +798% | +$83.6M |
|
322
Armstrong World Industries
AWI
$7.55B
| $93.6M | 0.07% |
583,201
-200,562
| -26% | -$32.8M |
|
323
BJs Wholesale Club
BJ
$12.3B
| $93.1M | 0.07% |
1,066,972
+996,360
| +1,411% | +$91.2M |
|
324
Phillips 66
PSX
$96.9B
| $93M | 0.07% |
550,361
+547,361
| +18,245% | +$94.2M |
|
325
Kinross Gold
KGC
$38.9B
| $92.9M | 0.07% |
3,932,718
+2,538,828
| +182% | +$74.6M |
|
Similar funds
John Overdeck's Q2 2026 Portfolio in Review
As of Q2 2026, John Overdeck held 5,589 positions worth $138B, up 11% from $124B the previous quarter. Its ten largest holdings account for 8.3% of the portfolio.
John Overdeck withdrew a net $4.38B in Q2 2026, closing 572 positions and reducing 1,756 holdings. Its most notable exit was State Street Technology Select Sector SPDR ETF, an estimated $172M position sold in full.
By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 19% a quarter earlier, followed by Financials and Healthcare.
Against the trend, John Overdeck opened a new position in Intuit worth $564M.
- John Overdeck's largest Q2 2026 buy was Intuit: 2,161,507 shares worth $564M.
- John Overdeck added most to Boston Scientific in Q2 2026, an estimated $540M increase.
- John Overdeck's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $1.32B.
- John Overdeck fully exited State Street Technology Select Sector SPDR ETF in Q2 2026, selling an estimated $172M.
- John Overdeck's ten largest holdings make up 8.3% of its $138B portfolio in Q2 2026.
- John Overdeck opened 1,050 new positions and closed 572 in Q2 2026.
- John Overdeck's portfolio value rose 11% quarter-over-quarter to $138B.
Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.