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 | |
|---|---|---|---|---|---|---|
326
First Trust Capital Strength ETF
FTCS
$8.02B
| $92.9M | 0.07% |
988,800
-71,000
| -7% | -$6.63M |
|
327
Amkor Technology
AMKR
$12.5B
| $92.2M | 0.07% |
1,069,101
-144,793
| -12% | -$10.3M |
|
328
Ceco Environmental
CECO
$4.19B
| $92M | 0.07% |
1,013,412
+53,714
| +6% | +$4.25M |
|
329
Dynatrace
DT
$14.2B
| $91.7M | 0.07% |
2,088,873
-1,505,404
| -42% | -$58.6M |
|
330
Snap
SNAP
$8.86B
| $90.6M | 0.07% |
20,408,453
+7,401,203
| +57% | +$40.5M |
|
331
Bank of Montreal
BMO
$122B
| $90.4M | 0.07% |
511,838
+490,038
| +2,248% | +$77M |
|
332
Murphy USA
MUSA
$10.5B
| $90.3M | 0.07% |
167,655
+100,094
| +148% | +$54.4M |
|
|
SPYM
333
State Street SPDR Portfolio S&P 500 ETF
SPYM
$169B
| $90.1M | 0.07% |
1,025,300
-806,700
| -44% | -$68.8M |
|
334
Carpenter Technology
CRS
$24.4B
| $90.1M | 0.07% |
146,056
+105,532
| +260% | +$49.7M |
|
335
NNN REIT
NNN
$8.8B
| $89.7M | 0.07% |
1,928,645
+79,957
| +4% | +$3.57M |
|
336
CAVA Group
CAVA
$8.6B
| $89.5M | 0.06% |
1,139,942
+936,500
| +460% | +$78.5M |
|
337
SS&C Technologies
SSNC
$19.5B
| $89.3M | 0.06% |
1,438,609
+1,118,225
| +349% | +$75.9M |
|
338
State Street Health Care Select Sector SPDR ETF
XLV
$45.5B
| $89.2M | 0.06% |
562,031
+416,569
| +286% | +$62M |
|
339
Travere Therapeutics
TVTX
$6.19B
| $88.9M | 0.06% |
1,565,656
+57,397
| +4% | +$2.54M |
|
340
Intellia Therapeutics
NTLA
$1.8B
| $88.6M | 0.06% |
5,235,348
+529,447
| +11% | +$7.41M |
|
341
Synopsys
SNPS
$76.2B
| $88.1M | 0.06% |
197,606
+91,762
| +87% | +$43.1M |
|
342
Star Bulk Carriers
SBLK
$3.41B
| $88.1M | 0.06% |
3,530,020
+517,057
| +17% | +$13.4M |
|
343
Simon Property Group
SPG
$70.6B
| $88M | 0.06% |
393,451
+372,349
| +1,765% | +$76.6M |
|
|
TE
344
T1 Energy
TE
$1.3B
| $87.6M | 0.06% |
9,240,988
-1,860,780
| -17% | -$13.2M |
|
345
Brixmor Property Group
BRX
$8.99B
| $87.6M | 0.06% |
2,778,238
+2,220,011
| +398% | +$67.8M |
|
346
Bank of America Series L
BAC.PRL
$3.95B
| $87.5M | 0.06% |
69,772
-24,612
| -26% | -$30M |
|
|
PCG.PRX
347
PG&E Corp 6.000% Series A Preferred Stock
PCG.PRX
$1.37B
| $87M | 0.06% |
2,103,718
+1,166,444
| +124% | +$48.8M |
|
|
UCTT
348
Ultra Clean Holdings
UCTT
$3.46B
| $87M | 0.06% |
609,851
+28,720
| +5% | +$2.53M |
|
349
Johnson Controls International
JCI
$86.7B
| $86.4M | 0.06% |
591,367
+416,363
| +238% | +$58.8M |
|
350
TTM Technologies
TTMI
$11.6B
| $86.4M | 0.06% |
461,830
+87,969
| +24% | +$14.2M |
|
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.