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 |
iShares Expanded Tech-Software Sector ETF
IGV
|
+$312M |
| 2 |
UnitedHealth
UNH
|
+$286M |
| 3 |
Duolingo
DUOL
|
+$247M |
| 4 |
Aon
AON
|
+$226M |
| 5 |
Chubb
CB
|
+$221M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Broadcom
AVGO
|
+$338M |
| 2 |
Marvell Technology
MRVL
|
+$241M |
| 3 |
Advanced Micro Devices
AMD
|
+$240M |
| 4 |
ServiceNow
NOW
|
+$203M |
| 5 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$193M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 16.79% |
| 2 | Financials | 14.46% |
| 3 | Healthcare | 12.9% |
| 4 | Consumer Discretionary | 8.97% |
| 5 | Industrials | 8.82% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2251
KRONOS Worldwide
KRO
$1.02B
| $865K | ﹤0.01% |
139,473
+28,600
| +26% | +$196K |
|
2252
Arthur J. Gallagher & Co
AJG
$69.2B
| $864K | ﹤0.01% |
+2,700
| New | +$890K |
|
2253
iShares Paris-Aligned Climate Optimized MSCI USA ETF
PABU
$2.53B
| $862K | ﹤0.01% |
12,900
-41,700
| -76% | -$2.58M |
|
2254
Urban Outfitters
URBN
$6.46B
| $862K | ﹤0.01% |
11,882
-2,134
| -15% | -$128K |
|
2255
Compañía de Cervecerías Unidas
CCU
$2.32B
| $860K | ﹤0.01% |
66,555
+15,272
| +30% | +$217K |
|
2256
Jakks Pacific
JAKK
$289M
| $860K | ﹤0.01% |
41,372
+21,496
| +108% | +$438K |
|
2257
Franklin Covey
FC
$231M
| $858K | ﹤0.01% |
37,596
-13,832
| -27% | -$306K |
|
2258
Vishay Precision Group
VPG
$897M
| $855K | ﹤0.01% |
30,438
-3,765
| -11% | -$92.7K |
|
2259
Community Bank
CBU
$3.32B
| $855K | ﹤0.01% |
15,027
-20,821
| -58% | -$1.16M |
|
2260
Invesco KBW Premium Yield Equity REIT ETF
KBWY
$314M
| $853K | ﹤0.01% |
54,247
-42,815
| -44% | -$666K |
|
2261
Orange County Bancorp
OBT
$507M
| $849K | ﹤0.01% |
32,867
+19,733
| +150% | +$482K |
|
2262
Park Hotels & Resorts
PK
$3.21B
| $849K | ﹤0.01% |
82,969
+63,730
| +331% | +$649K |
|
2263
Solid Biosciences
SLDB
$1.03B
| $847K | ﹤0.01% |
174,000
+104,506
| +150% | +$369K |
|
2264
Strawberry Fields REIT
STRW
$198M
| $847K | ﹤0.01% |
80,357
+5,128
| +7% | +$54.6K |
|
2265
TFS Financial
TFSL
$4.94B
| $847K | ﹤0.01% |
65,369
+43,705
| +202% | +$563K |
|
2266
Eaton Vance Tax-Managed Global Diversified Equity Income Fund
EXG
$3.04B
| $846K | ﹤0.01% |
+96,729
| New | +$801K |
|
|
ONIT
2267
Onity Group
ONIT
$299M
| $846K | ﹤0.01% |
22,170
-7,377
| -25% | -$261K |
|
2268
Gray Television
GTN
$503M
| $845K | ﹤0.01% |
186,556
-151,323
| -45% | -$586K |
|
2269
Legacy Housing
LEGH
$685M
| $844K | ﹤0.01% |
37,239
-2,489
| -6% | -$58.2K |
|
2270
Paysafe
PSFE
$347M
| $843K | ﹤0.01% |
66,805
-21,556
| -24% | -$295K |
|
|
ESGR
2271
DELISTED
Enstar Group
ESGR
| $841K | ﹤0.01% |
2,501
-2,056
| -45% | -$688K |
|
2272
ClearBridge Large Cap Growth Select ETF
LRGE
$378M
| $841K | ﹤0.01% |
+10,600
| New | +$771K |
|
|
GRVY
2273
GRAVITY
GRVY
$506M
| $838K | ﹤0.01% |
13,160
+110
| +0.8% | +$6.83K |
|
2274
Red Robin
RRGB
$188M
| $831K | ﹤0.01% |
143,444
+47,065
| +49% | +$182K |
|
2275
Navios Maritime Partners
NMM
$2.56B
| $825K | ﹤0.01% |
21,895
-31,946
| -59% | -$1.18M |
|
Similar funds
John Overdeck's Q2 2025 Portfolio in Review
As of Q2 2025, John Overdeck held 3,681 positions worth $56.5B, up 21% from $46.8B the previous quarter. Its ten largest holdings account for 7.7% of the portfolio.
John Overdeck deployed $2.96B of net new capital in Q2 2025, opening 509 new positions and adding to 1,200 existing holdings. Its largest new stake was iShares Expanded Tech-Software Sector ETF: 3,154,300 shares worth $345M.
By sector, the portfolio is most concentrated in Technology at 17% of assets, down from 18% a quarter earlier, followed by Financials and Healthcare.
On the sell side, the largest reduction was Broadcom, an estimated $338M trimmed.
- John Overdeck's largest Q2 2025 buy was iShares Expanded Tech-Software Sector ETF: 3,154,300 shares worth $345M.
- John Overdeck added most to UnitedHealth in Q2 2025, an estimated $286M increase.
- John Overdeck's biggest Q2 2025 reduction was Broadcom, cutting an estimated $338M.
- John Overdeck fully exited State Street Utilities Select Sector SPDR ETF in Q2 2025, selling an estimated $134M.
- John Overdeck's ten largest holdings make up 7.7% of its $56.5B portfolio in Q2 2025.
- John Overdeck opened 509 new positions and closed 531 in Q2 2025.
- John Overdeck's portfolio value rose 21% quarter-over-quarter to $56.5B.
Based on Two Sigma Investments's 13F filing for Q2 2025, filed 14 Aug 2025.