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 | |
|---|---|---|---|---|---|---|
676
Cummins
CMI
$80.6B
| $36.9M | 0.03% |
51,769
-226,192
| -81% | -$149M |
|
|
AAUC
677
Allied Gold Corp
AAUC
$3.29B
| $36.6M | 0.03% |
1,541,048
-97,098
| -6% | -$2.74M |
|
678
PUT
Meta Platforms (Facebook)
META
$1.41T
| $36.6M | 0.03% |
64,900
-37,000
| -36% | -$22.6M |
|
679
Pinduoduo
PDD
$129B
| $36.4M | 0.03% |
476,800
+84,712
| +22% | +$7.83M |
|
680
Magnolia Oil & Gas
MGY
$6.58B
| $36.2M | 0.03% |
1,416,670
-277,125
| -16% | -$7.91M |
|
681
Starwood Property Trust
STWD
$6.07B
| $36.2M | 0.03% |
2,211,543
-1,386,819
| -39% | -$24.1M |
|
|
682
CALL
Alphabet (Google) Class A
GOOGL
$4.25T
| $36.2M | 0.03% |
101,200
-88,600
| -47% | -$31.9M |
|
683
Digital Turbine
APPS
$1.32B
| $36.2M | 0.03% |
2,803,368
+1,250,778
| +81% | +$7.48M |
|
684
Kiniksa Pharmaceuticals
KNSA
$6.13B
| $35.9M | 0.03% |
561,480
+140,566
| +33% | +$7.29M |
|
685
RLI Corp
RLI
$6.07B
| $35.8M | 0.03% |
606,591
-329,913
| -35% | -$17.7M |
|
686
Hercules Capital
HTGC
$3.21B
| $35.7M | 0.03% |
2,265,824
-59,035
| -3% | -$918K |
|
687
Marathon Digital Holdings
MARA
$4.38B
| $35.7M | 0.03% |
+2,569,038
| New | +$32.1M |
|
688
Ducommun
DCO
$2.88B
| $35.6M | 0.03% |
192,458
+91,277
| +90% | +$13.5M |
|
|
CMBT
689
CMB.TECH NV
CMBT
$5.23B
| $35.4M | 0.03% |
2,530,477
+1,320,659
| +109% | +$19M |
|
|
MWH
690
SOLV Energy Inc
MWH
$5.61B
| $35.3M | 0.03% |
1,035,722
+780,778
| +306% | +$28.3M |
|
691
Darling Ingredients
DAR
$9.93B
| $35.2M | 0.03% |
645,268
-223,507
| -26% | -$13.3M |
|
692
First Bancorp
FBP
$4.37B
| $35.2M | 0.03% |
1,351,558
+272,009
| +25% | +$6.54M |
|
693
ICF International
ICFI
$1.6B
| $35.2M | 0.03% |
482,637
+223,549
| +86% | +$15.4M |
|
694
Harmony Biosciences
HRMY
$2.21B
| $34.9M | 0.03% |
959,136
+225,693
| +31% | +$7.12M |
|
695
Lindsay Corp
LNN
$1.19B
| $34.8M | 0.03% |
281,172
+170,199
| +153% | +$19M |
|
696
Futu Holdings
FUTU
$16.8B
| $34.7M | 0.03% |
370,576
+359,376
| +3,209% | +$46M |
|
|
HIMX
697
Himax Technologies
HIMX
$2.35B
| $34.7M | 0.03% |
2,259,083
+2,019,191
| +842% | +$31.4M |
|
|
TXNM
698
TXNM Energy Inc
TXNM
$5.91B
| $34.6M | 0.03% |
609,070
+279,891
| +85% | +$16.4M |
|
699
Syndax Pharmaceuticals
SNDX
$1.76B
| $34.5M | 0.03% |
1,578,125
-1,471
| -0.1% | -$30.6K |
|
700
Stanley Black & Decker
SWK
$15.2B
| $34.5M | 0.02% |
+366,049
| New | +$28.7M |
|
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.