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 | |
|---|---|---|---|---|---|---|
1576
CALL
AbbVie
ABBV
$468B
| $8.48M | 0.01% |
33,700
+15,700
| +87% | +$3.38M |
|
1577
Hertz
HTZ
$802M
| $8.48M | 0.01% |
3,743,521
+935,857
| +33% | +$5.11M |
|
1578
Avantis US Large Cap Equity ETF
AVLC
$1.44B
| $8.47M | 0.01% |
+94,200
| New | +$8.13M |
|
1579
CALL
Broadcom
AVGO
$1.75T
| $8.46M | 0.01% |
22,400
-25,200
| -53% | -$10.1M |
|
1580
Sweetgreen
SG
$832M
| $8.46M | 0.01% |
959,781
+124,524
| +15% | +$950K |
|
1581
Carnival Corporation Ltd
CCL
$35.2B
| $8.45M | 0.01% |
295,711
+30,511
| +12% | +$833K |
|
1582
EQT Corp
EQT
$33.6B
| $8.44M | 0.01% |
158,830
+142,406
| +867% | +$7.99M |
|
1583
Vicor
VICR
$9.25B
| $8.44M | 0.01% |
22,226
+10,474
| +89% | +$2.86M |
|
|
CHYM
1584
Chime Financial
CHYM
$12.4B
| $8.43M | 0.01% |
411,743
+141,284
| +52% | +$2.74M |
|
|
BRSP
1585
BrightSpire Capital
BRSP
$621M
| $8.43M | 0.01% |
1,546,918
+328,627
| +27% | +$1.88M |
|
1586
Tandem Diabetes Care
TNDM
$1.55B
| $8.43M | 0.01% |
558,409
-1,305,785
| -70% | -$22.8M |
|
1587
Peoples Bancorp
PEBO
$1.44B
| $8.41M | 0.01% |
218,964
-1,553
| -0.7% | -$54.1K |
|
|
TLNC
1588
Talon Capital Corp
TLNC
$347M
| $8.41M | 0.01% |
815,625
| – | – |
|
1589
BW LPG
BWLP
$3.75B
| $8.39M | 0.01% |
481,367
+146,784
| +44% | +$2.87M |
|
|
TACO
1590
Berto Acquisition Corp
TACO
$392M
| $8.38M | 0.01% |
799,248
| – | – |
|
1591
Kodak
KODK
$963M
| $8.38M | 0.01% |
905,559
+4,556
| +0.5% | +$50K |
|
1592
PubMatic
PUBM
$747M
| $8.37M | 0.01% |
638,102
+103,653
| +19% | +$1.08M |
|
1593
Synaptics
SYNA
$3.82B
| $8.37M | 0.01% |
67,339
+1,869
| +3% | +$211K |
|
1594
Pinterest
PINS
$13.3B
| $8.36M | 0.01% |
397,573
-2,099,127
| -84% | -$42.2M |
|
1595
Frontdoor
FTDR
$5.69B
| $8.36M | 0.01% |
107,752
+19,547
| +22% | +$1.25M |
|
1596
CNX Resources
CNX
$5.38B
| $8.36M | 0.01% |
246,394
-931,061
| -79% | -$33.6M |
|
1597
Brookfield Renewable
BEPC
$6.17B
| $8.34M | 0.01% |
224,791
-114,571
| -34% | -$4.44M |
|
1598
TKO Group
TKO
$14.1B
| $8.33M | 0.01% |
41,390
+24,890
| +151% | +$4.85M |
|
1599
Iron Mountain
IRM
$36.3B
| $8.32M | 0.01% |
65,892
-113,310
| -63% | -$13.9M |
|
1600
Royal Caribbean
RCL
$78.1B
| $8.31M | 0.01% |
+26,172
| New | +$7.32M |
|
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.