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 | |
|---|---|---|---|---|---|---|
276
IDEX
IEX
$17.3B
| $111M | 0.08% |
491,153
-6,519
| -1% | -$1.38M |
|
277
Fortis
FTS
$28B
| $111M | 0.08% |
1,947,249
-560,452
| -22% | -$31.6M |
|
278
Fastly Inc
FSLY
$3.97B
| $111M | 0.08% |
6,062,511
+448,264
| +8% | +$9.74M |
|
279
Delek US
DK
$4.38B
| $111M | 0.08% |
2,181,712
+281,747
| +15% | +$12.5M |
|
280
Norfolk Southern
NSC
$78.8B
| $110M | 0.08% |
349,135
+210,914
| +153% | +$65M |
|
281
Wolfspeed
WOLF
$1.34B
| $110M | 0.08% |
2,272,968
+2,250,563
| +10,045% | +$98M |
|
282
Fabrinet
FN
$15.6B
| $110M | 0.08% |
195,083
+193,207
| +10,299% | +$125M |
|
283
Brookdale Senior Living
BKD
$2.82B
| $109M | 0.08% |
6,799,140
+638,354
| +10% | +$8.68M |
|
284
Archrock
AROC
$5.58B
| $109M | 0.08% |
2,682,046
+1,096,317
| +69% | +$40.3M |
|
285
Ares Capital
ARCC
$14.3B
| $109M | 0.08% |
5,886,022
-1,420,322
| -19% | -$26.5M |
|
286
Dropbox
DBX
$7.5B
| $109M | 0.08% |
3,955,667
-391,974
| -9% | -$10.1M |
|
287
CRISPR Therapeutics
CRSP
$5.75B
| $108M | 0.08% |
1,988,621
+505,570
| +34% | +$26.6M |
|
288
Planet Labs
PL
$7.94B
| $108M | 0.08% |
3,267,191
-3,492,654
| -52% | -$129M |
|
289
Banco Bradesco
BBD
$33.9B
| $108M | 0.08% |
31,169,059
-16,126,256
| -34% | -$59M |
|
290
J.M. Smucker
SJM
$13.3B
| $108M | 0.08% |
960,763
-685,960
| -42% | -$69.9M |
|
291
Frontline
FRO
$9.72B
| $108M | 0.08% |
3,096,928
-61,805
| -2% | -$2.27M |
|
292
Eastman Chemical
EMN
$8.47B
| $107M | 0.08% |
1,603,073
+182,233
| +13% | +$13.3M |
|
293
United Airlines
UAL
$36.7B
| $106M | 0.08% |
780,663
+700,963
| +880% | +$72.6M |
|
294
Fluence Energy
FLNC
$1.62B
| $106M | 0.08% |
5,338,779
-356,487
| -6% | -$6.63M |
|
295
Avnet
AVT
$7.27B
| $105M | 0.08% |
1,180,778
+422,802
| +56% | +$34.6M |
|
296
EXL Service
EXLS
$5.69B
| $104M | 0.08% |
4,021,556
+311,924
| +8% | +$9.19M |
|
297
Consolidated Edison
ED
$39.3B
| $104M | 0.08% |
935,900
+191,946
| +26% | +$20.9M |
|
|
SFD
298
Smithfield Foods
SFD
$8.76B
| $103M | 0.07% |
4,238,865
+21,935
| +0.5% | +$586K |
|
299
Parker-Hannifin
PH
$126B
| $103M | 0.07% |
104,981
+102,941
| +5,046% | +$94.3M |
|
300
Mohawk Industries
MHK
$9.23B
| $101M | 0.07% |
834,136
+207,408
| +33% | +$21.8M |
|
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.