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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 | |
|---|---|---|---|---|---|---|---|
776
Manhattan Associates
MANH
$13B
| $29.7M | 0.02% |
213,102
-15,417
| -7% | -$2.12M |
2020 Q3
23 quarters
|
|
777
Martin Marietta Materials
MLM
$35.6B
| $29.7M | 0.02% |
51,433
-42,780
| -45% | -$25.4M |
2023 Q3
11 quarters
|
|
778
Aaon
AAON
$6.08B
| $29.6M | 0.02% |
233,374
-46,640
| -17% | -$5.46M |
2025 Q1
5 quarters
|
|
779
Rambus
RMBS
$9.46B
| $29.6M | 0.02% |
222,921
+145,511
| +188% | +$18.9M |
2022 Q4
14 quarters
|
|
780
Taboola.com
TBLA
$929M
| $29.6M | 0.02% |
5,913,994
+1,353,319
| +30% | +$5.91M |
2022 Q4
14 quarters
|
|
781
Jackson Financial
JXN
$8.84B
| $29.4M | 0.02% |
287,598
+90,658
| +46% | +$9.8M |
2025 Q1
5 quarters
|
|
782
Vail Resorts
MTN
$5.38B
| $29.4M | 0.02% |
215,596
+181,899
| +540% | +$23.7M |
2025 Q2
4 quarters
|
|
783
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$25.3B
| $29.3M | 0.02% |
+41,640
| New | +$27.9M |
2026 Q2
0 quarters
|
|
784
CTO Realty Growth
CTO
$770M
| $29.2M | 0.02% |
1,358,088
+476,459
| +54% | +$9.7M |
2020 Q4
22 quarters
|
|
785
Sun Life Financial
SLF
$44.1B
| $29.2M | 0.02% |
372,413
-182,600
| -33% | -$13.1M |
2024 Q1
9 quarters
|
|
786
VanEck Oil Services ETF
OIH
$1.82B
| $29.2M | 0.02% |
+78,433
| New | +$32.9M |
2026 Q2
0 quarters
|
|
787
Dorian LPG
LPG
$2.29B
| $29.1M | 0.02% |
836,240
-52,555
| -6% | -$2.07M |
2022 Q2
16 quarters
|
|
788
Southern Company
SO
$105B
| $29.1M | 0.02% |
303,736
+147,758
| +95% | +$13.9M |
2026 Q1
1 quarter
|
|
|
789
PUT
Dell
DELL
$287B
| $28.9M | 0.02% |
66,900
+41,900
| +168% | +$12.1M |
2025 Q4
2 quarters
|
|
790
Park Hotels & Resorts
PK
$3.2B
| $28.8M | 0.02% |
2,022,613
+927,964
| +85% | +$11.4M |
2025 Q4
2 quarters
|
|
791
Shopify
SHOP
$218B
| $28.8M | 0.02% |
252,158
+127,988
| +103% | +$14.6M |
2021 Q1
21 quarters
|
|
792
PUT
GameStop
GME
$13.5B
| $28.7M | 0.02% |
1,300,000
+913,200
| +236% | +$20.9M |
2025 Q1
5 quarters
|
|
793
AXT Inc
AXTI
$3.38B
| $28.7M | 0.02% |
397,732
+332,632
| +511% | +$30M |
2017 Q1
37 quarters
|
|
794
O-I Glass
OI
$896M
| $28.6M | 0.02% |
2,969,672
-428,385
| -13% | -$4.03M |
2020 Q4
22 quarters
|
|
795
PTC
PTC
$21B
| $28.6M | 0.02% |
251,464
+248,282
| +7,803% | +$33.5M |
2022 Q3
15 quarters
|
|
796
iShares US Financials ETF
IYF
$3.85B
| $28.6M | 0.02% |
224,000
-335,000
| -60% | -$41.6M |
2026 Q1
1 quarter
|
|
797
Virtu Financial
VIRT
$5.02B
| $28.6M | 0.02% |
479,458
-79,471
| -14% | -$4.18M |
2023 Q3
11 quarters
|
|
798
V2X
VVX
$2.2B
| $28.5M | 0.02% |
381,830
-11,186
| -3% | -$832K |
2023 Q2
12 quarters
|
|
799
Spotify
SPOT
$109B
| $28.4M | 0.02% |
61,846
+48,874
| +377% | +$23.3M |
2026 Q1
1 quarter
|
|
800
World Kinect Corp
WKC
$1.85B
| $28.4M | 0.02% |
861,089
+802,466
| +1,369% | +$22.3M |
2021 Q2
20 quarters
|
|
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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.