We are live on !
Find out more
John Overdeck Two Sigma Investments
AUM
$138B
Turnover
29.02%
1-Year Est. Return
41.87%
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.
This Fund
S&P 500
This Quarter Est. Return
+21.14%
1 Year Est. Return
+41.87%
3 Year Est. Return
+122.61%
5 Year Est. Return
+129.48%
10 Year Est. Return
+649.67%
AUM
$138B
AUM Growth
+$14.2B
(+11%)
Cap. Flow
-$5.38B
Cap. Flow % of AUM
Cap. Flow %
-3.9%
Top 10 Holdings %
Top 10 Hldgs %
8.28%
Holding
5,589
New
1,050
Increased
1,919
Reduced
1,756
Closed
572
Avg Time Held
Equity + Options
1.4
years
Top 10 Avg Time Held
Equity + Options
0.2
years
Top 20 Avg Time Held
Equity + Options
0.2
years
Avg Time Held Equity only
1.7
years
Top 10 Avg Time Held Equity only
0.2
years
Top 20 Avg Time Held Equity only
0.2
years
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 |
Sandisk
SNDK
|
+$744M |
| 5 |
Dell
DELL
|
+$688M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 19.7% |
| 2 | Financials | 15.22% |
| 3 | Miscellaneous | 12.05% |
| 4 | Healthcare | 11.94% |
| 5 | Industrials | 11.56% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
4526
PUT
Insmed
INSM
$20.8B
| $267K | ﹤0.01% |
+2,500
| New | +$303K |
2026 Q2
0 quarters
|
|
4527
Protara Therapeutics
TARA
$138M
| $266K | ﹤0.01% |
69,652
+31,814
| +84% | +$151K |
2021 Q2
20 quarters
|
|
4528
Rallybio
RLYB
$86.9M
| $266K | ﹤0.01% |
+16,619
| New | +$214K |
2026 Q2
0 quarters
|
|
4529
CALL
American Superconductor
AMSC
$1.24B
| $266K | ﹤0.01% |
6,400
-3,300
| -34% | -$149K |
2026 Q1
1 quarter
|
|
4530
Solventum
SOLV
$14.5B
| $265K | ﹤0.01% |
+3,435
| New | +$250K |
2026 Q2
0 quarters
|
|
4531
PUT
Canadian Natural Resources
CNQ
$112B
| $265K | ﹤0.01% |
+6,700
| New | +$305K |
2026 Q2
0 quarters
|
|
4532
Palisade Bio
PALI
$234M
| $265K | ﹤0.01% |
126,602
+98,962
| +358% | +$195K |
2025 Q4
2 quarters
|
|
4533
OraSure Technologies
OSUR
$254M
| $264K | ﹤0.01% |
59,300
+3,200
| +6% | +$11.3K |
2026 Q1
1 quarter
|
|
4534
CALL
Fluence Energy
FLNC
$839M
| $264K | ﹤0.01% |
13,300
-37,000
| -74% | -$688K |
2026 Q1
1 quarter
|
|
4535
Swarmer Inc
SWMR
$128M
| $264K | ﹤0.01% |
+5,967
| New | +$258K |
2026 Q2
0 quarters
|
|
4536
Sinda Ltd
SIND
$1.78B
| $264K | ﹤0.01% |
+22,000
| New | +$264K |
2026 Q2
0 quarters
|
|
4537
Ivanhoe Electric
IE
$1.4B
| $264K | ﹤0.01% |
+27,464
| New | +$347K |
2026 Q2
0 quarters
|
|
4538
Opko Health
OPK
$1.2B
| $264K | ﹤0.01% |
175,801
+5,801
| +3% | +$7.4K |
2022 Q2
16 quarters
|
|
4539
BTQ Technologies Corp
BTQ
$327M
| $262K | ﹤0.01% |
48,544
+12,010
| +33% | +$44.8K |
2026 Q1
1 quarter
|
|
4540
CALL
Icon
ICLR
$13B
| $261K | ﹤0.01% |
+1,500
| New | +$191K |
2026 Q2
0 quarters
|
|
4541
CALL
Nutanix
NTNX
$18.3B
| $260K | ﹤0.01% |
+5,100
| New | +$230K |
2026 Q2
0 quarters
|
|
4542
Kingstone Companies
KINS
$281M
| $260K | ﹤0.01% |
13,647
-32,219
| -70% | -$519K |
2025 Q2
4 quarters
|
|
4543
SmartRent
SMRT
$220M
| $258K | ﹤0.01% |
216,439
+41,716
| +24% | +$53K |
2025 Q2
4 quarters
|
|
4544
York Space Systems
YSS
$780M
| $257K | ﹤0.01% |
10,457
-27,899
| -73% | -$866K |
2026 Q1
1 quarter
|
|
4545
CALL
SiriusXM
SIRI
$9.05B
| $257K | ﹤0.01% |
8,700
-22,300
| -72% | -$599K |
2025 Q4
2 quarters
|
|
4546
First Trust Enhanced Equity Income Fund
FFA
$444M
| $257K | ﹤0.01% |
11,482
| – | – |
2025 Q4
2 quarters
|
|
4547
PUT
Exelon
EXC
$43.7B
| $256K | ﹤0.01% |
+5,500
| New | +$254K |
2026 Q2
0 quarters
|
|
4548
CALL
Commault Systems
CVLT
$6.33B
| $255K | ﹤0.01% |
+1,800
| New | +$193K |
2026 Q2
0 quarters
|
|
4549
CALL
Advance Auto Parts
AAP
$2.64B
| $255K | ﹤0.01% |
4,100
-6,200
| -60% | -$352K |
2026 Q1
1 quarter
|
|
4550
Toro Corp
TORO
$137M
| $254K | ﹤0.01% |
+52,250
| New | +$270K |
2026 Q2
0 quarters
|
|
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 $5.38B 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 Miscellaneous.
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.