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 | |
|---|---|---|---|---|---|---|
2226
Nathan's Famous
NATH
$404M
| $4.2M | ﹤0.01% |
41,367
+2,608
| +7% | +$264K |
|
2227
Telefônica Brasil
VIV
$18.3B
| $4.2M | ﹤0.01% |
318,869
-757,187
| -70% | -$11.1M |
|
2228
Affirm
AFRM
$25.8B
| $4.19M | ﹤0.01% |
+51,322
| New | +$3.35M |
|
|
OIM
2229
OneIM Acquisition Corp
OIM
$366M
| $4.18M | ﹤0.01% |
415,363
| – | – |
|
2230
PUT
Ciena
CIEN
$56B
| $4.17M | ﹤0.01% |
8,500
+7,500
| +750% | +$3.82M |
|
2231
Avis
CAR
$5.18B
| $4.16M | ﹤0.01% |
28,140
+13,244
| +89% | +$2.92M |
|
2232
iShares Russell Top 200 Value ETF
IWX
$4.02B
| $4.15M | ﹤0.01% |
+39,500
| New | +$4M |
|
2233
Orion
OEC
$346M
| $4.14M | ﹤0.01% |
624,876
+2,088
| +0.3% | +$15K |
|
|
DBCA
2234
D. Boral Acquisition I Corp
DBCA
$432M
| $4.14M | ﹤0.01% |
415,363
| – | – |
|
2235
Schneider National
SNDR
$6.28B
| $4.14M | ﹤0.01% |
113,318
-30,886
| -21% | -$1.01M |
|
|
HTB
2236
HomeTrust Bancshares
HTB
$772M
| $4.13M | ﹤0.01% |
82,825
+60,512
| +271% | +$2.8M |
|
2237
Red River Bancshares
RRBI
$669M
| $4.13M | ﹤0.01% |
+45,258
| New | +$4.14M |
|
2238
Cass Information Systems
CASS
$722M
| $4.13M | ﹤0.01% |
80,434
+16,106
| +25% | +$763K |
|
|
IPFX
2239
Inflection Point Acquisition Corp VI
IPFX
$341M
| $4.12M | ﹤0.01% |
+398,750
| New | +$4.13M |
|
2240
CALL
Snowflake
SNOW
$115B
| $4.12M | ﹤0.01% |
16,200
-5,800
| -26% | -$1.07M |
|
|
DSAC
2241
Daedalus Special Acquisition Corp
DSAC
$346M
| $4.11M | ﹤0.01% |
407,812
| – | – |
|
|
CEPV
2242
Cantor Equity Partners V
CEPV
$330M
| $4.11M | ﹤0.01% |
398,750
| – | – |
|
|
GRDN
2243
Guardian Pharmacy Services
GRDN
$2.4B
| $4.11M | ﹤0.01% |
98,209
-214,466
| -69% | -$8.3M |
|
|
EQPT
2244
EquipmentShare.com Inc
EQPT
$4.69B
| $4.11M | ﹤0.01% |
208,869
-1,191
| -0.6% | -$25.5K |
|
2245
Ecovyst
ECVT
$1.14B
| $4.11M | ﹤0.01% |
329,773
+91,770
| +39% | +$1.24M |
|
2246
Stellantis
STLA
$20.4B
| $4.11M | ﹤0.01% |
+715,244
| New | +$5.29M |
|
|
XHR
2247
Xenia Hotels & Resorts
XHR
$1.79B
| $4.1M | ﹤0.01% |
201,407
+123,507
| +159% | +$2.13M |
|
2248
Stryker
SYK
$126B
| $4.1M | ﹤0.01% |
13,024
-456,191
| -97% | -$144M |
|
2249
Unity Bancorp
UNTY
$597M
| $4.1M | ﹤0.01% |
69,866
+27,795
| +66% | +$1.52M |
|
2250
CALL
Natera
NTRA
$47.9B
| $4.1M | ﹤0.01% |
15,100
+12,100
| +403% | +$2.58M |
|
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.