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 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$474M |
| 2 |
State Street Consumer Staples Select Sector SPDR ETF
XLP
|
+$357M |
| 3 |
Accenture
ACN
|
+$246M |
| 4 |
Advanced Micro Devices
AMD
|
+$235M |
| 5 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$231M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$381M |
| 2 |
State Street Technology Select Sector SPDR ETF
XLK
|
+$375M |
| 3 |
iShares Expanded Tech-Software Sector ETF
IGV
|
+$348M |
| 4 |
Thermo Fisher Scientific
TMO
|
+$292M |
| 5 |
Snowflake
SNOW
|
+$258M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 16.18% |
| 2 | Financials | 15.54% |
| 3 | Industrials | 10.5% |
| 4 | Healthcare | 9.8% |
| 5 | Consumer Discretionary | 8.1% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
476
Bruker
BRKR
$9.07B
| $27.5M | 0.04% |
847,361
+335,646
| +66% | +$12M |
|
477
Assurant
AIZ
$14B
| $27.3M | 0.04% |
126,133
+105,016
| +497% | +$21.3M |
|
478
Rush Street Interactive
RSI
$2.98B
| $27.2M | 0.04% |
1,329,550
+946,673
| +247% | +$17.9M |
|
479
Copa Holdings
CPA
$5.88B
| $27.2M | 0.04% |
229,076
+138,700
| +153% | +$15.9M |
|
480
Semtech
SMTC
$11.6B
| $27.2M | 0.04% |
380,604
-321,743
| -46% | -$17.5M |
|
481
Spectrum Brands
SPB
$2B
| $27.1M | 0.04% |
515,129
+145,028
| +39% | +$8.04M |
|
482
Public Storage
PSA
$60.2B
| $26.9M | 0.04% |
93,148
+48,293
| +108% | +$13.9M |
|
483
First Trust Capital Strength ETF
FTCS
$8.02B
| $26.8M | 0.04% |
286,500
+264,900
| +1,226% | +$24.4M |
|
484
United Microelectronic
UMC
$46B
| $26.8M | 0.04% |
3,530,564
+3,151,936
| +832% | +$22.4M |
|
485
Dutch Bros
BROS
$6.88B
| $26.8M | 0.04% |
511,163
+61,381
| +14% | +$3.88M |
|
486
Federated Hermes
FHI
$4.76B
| $26.7M | 0.04% |
514,532
-129,527
| -20% | -$6.57M |
|
487
FNB Corp
FNB
$6.6B
| $26.6M | 0.04% |
1,650,015
+1,344,101
| +439% | +$21.4M |
|
488
West Pharmaceutical
WST
$24.8B
| $26.5M | 0.04% |
101,201
-482,864
| -83% | -$117M |
|
|
NTST
489
NETSTREIT Corp
NTST
$2.07B
| $26.5M | 0.04% |
1,469,753
+346,402
| +31% | +$6.26M |
|
490
Ryanair
RYAAY
$28.9B
| $26.5M | 0.04% |
439,357
+52,732
| +14% | +$3.21M |
|
491
SLM Corp
SLM
$4.97B
| $26.4M | 0.04% |
952,190
+789,890
| +487% | +$24.7M |
|
492
Global X MLP & Energy Infrastructure ETF
MLPX
$3.57B
| $26.3M | 0.04% |
+420,100
| New | +$25.7M |
|
493
Service Corp International
SCI
$11.4B
| $26.2M | 0.04% |
314,528
+275,826
| +713% | +$22M |
|
494
Brookfield Infrastructure Partners
BIP
$17.9B
| $26.2M | 0.04% |
795,453
+575,423
| +262% | +$18.1M |
|
495
COPT Defense Properties
CDP
$4.23B
| $26.2M | 0.04% |
900,047
+669,181
| +290% | +$19.2M |
|
496
Alphatec Holdings
ATEC
$1.46B
| $26.1M | 0.04% |
1,794,324
+665,634
| +59% | +$9.27M |
|
497
AbCellera Biologics
ABCL
$3.67B
| $26M | 0.04% |
5,175,142
+1,064,290
| +26% | +$4.69M |
|
498
Lennar Class A
LEN
$21B
| $25.9M | 0.04% |
205,501
-247,155
| -55% | -$30.7M |
|
499
Nike
NKE
$60.5B
| $25.9M | 0.04% |
370,803
-2,326,316
| -86% | -$173M |
|
500
D-Wave Quantum Inc
QBTS
$7.59B
| $25.8M | 0.04% |
1,045,882
+698,600
| +201% | +$12.7M |
|
Similar funds
John Overdeck's Q3 2025 Portfolio in Review
As of Q3 2025, John Overdeck held 4,027 positions worth $67.2B, up 19% from $56.5B the previous quarter. Its ten largest holdings account for 6.2% of the portfolio.
John Overdeck deployed $4.46B of net new capital in Q3 2025, opening 877 new positions and adding to 1,461 existing holdings. Its largest new stake was Berkshire Hathaway Class B: 379,096 shares worth $191M.
By sector, the portfolio is most concentrated in Technology at 16% of assets, down from 17% a quarter earlier, followed by Financials and Industrials.
On the sell side, the largest reduction was Invesco QQQ Trust, an estimated $381M trimmed.
- John Overdeck's largest Q3 2025 buy was Berkshire Hathaway Class B: 379,096 shares worth $191M.
- John Overdeck added most to State Street Financial Select Sector SPDR ETF in Q3 2025, an estimated $474M increase.
- John Overdeck's biggest Q3 2025 reduction was Invesco QQQ Trust, cutting an estimated $381M.
- John Overdeck fully exited NextEra Energy, Inc. 6.926% Corporate Units in Q3 2025, selling an estimated $115M.
- John Overdeck's ten largest holdings make up 6.2% of its $67.2B portfolio in Q3 2025.
- John Overdeck opened 877 new positions and closed 399 in Q3 2025.
- John Overdeck's portfolio value rose 19% quarter-over-quarter to $67.2B.
Based on Two Sigma Investments's 13F filing for Q3 2025, filed 14 Nov 2025.