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John Overdeck

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
Cap. Flow
-$5.38B
Cap. Flow %
-3.9%
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
INTU icon
Intuit
INTU
+$753M
2
BSX icon
Boston Scientific
BSX
+$540M
3
DOW icon
Dow Inc
DOW
+$485M
4
WFC icon
Wells Fargo
WFC
+$457M
5
GS icon
Goldman Sachs
GS
+$378M

Top Sells

Rank Stock Value
1
MU icon
Micron Technology
MU
+$1.32B
2
NVDA icon
NVIDIA
NVDA
+$1.02B
3
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$787M
4
SNDK icon
Sandisk
SNDK
+$744M
5
DELL icon
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
LEGO.U icon
5476
Legato Merger Corp IV Units
LEGO.U
– –
-362,500
Closed -$3.62M –
BBCQ
5477
DELISTED
Bleichroeder Acquisition Corp II
BBCQ
– –
-453,124
Closed -$4.54M –
PPHC icon
5478
Public Policy Holding Co
PPHC
$310M
– –
-18,250
Closed -$239K –
NBRGU icon
5479
Newbridge Acquisition Ltd Unit
NBRGU
– –
-90,625
Closed -$909K –
BOBS icon
5480
Bobs Discount Furniture
BOBS
$1.94B
– –
-564,122
Closed -$6.63M –
HCICU icon
5481
Hennessy Capital Investment Corp VIII Units
HCICU
– –
-380,625
Closed -$3.81M –
AGBK icon
5482
AGI Inc
AGBK
$1.17B
– –
-45,842
Closed -$333K –
HACQU icon
5483
HCM IV Acquisition Corp Unit
HACQU
– –
-453,124
Closed -$4.54M –
IACOU icon
5484
Idea Acquisition Corp Units
IACOU
– –
-583,593
Closed -$5.78M –
PAACU icon
5485
Proem Acquisition Corp I Units
PAACU
– –
-235,624
Closed -$2.35M –
TMTSU icon
5486
Spartacus Acquisition Corp II Unit
TMTSU
– –
-336,458
Closed -$3.37M –
WLIIU icon
5487
Willow Lane Acquisition Corp II Unit
WLIIU
– –
-226,562
Closed -$2.29M –
AACOU icon
5488
Abony Acquisition Corp I Units
AACOU
– –
-362,500
Closed -$3.6M –
ACAAU icon
5489
Averin Capital Acquisition Corp Units
ACAAU
– –
-453,124
Closed -$4.53M –
PALOU icon
5490
Paloma Acquisition Corp I Units
PALOU
– –
-271,875
Closed -$2.71M –
CTAAU icon
5491
ClearThink 1 Acquisition Corp Units
CTAAU
– –
-226,562
Closed -$2.26M –
MZYX.U icon
5492
MOZAYYX Acquisition Corp Units
MZYX.U
– –
-473,062
Closed -$4.7M –
TRAD.U icon
5493
APEX Tech Acquisition Inc Units
TRAD.U
– –
-181,250
Closed -$1.81M –
ILLUU icon
5494
Illumination Acquisition Corp I Units
ILLUU
– –
-362,500
Closed -$3.6M –
TRGSU icon
5495
TRG Latin America Acquisitions Corp Units
TRGSU
– –
-362,500
Closed -$3.61M –
GLED.U icon
5496
GalaxyEdge Acquisition Corp Units
GLED.U
– –
-181,250
Closed -$1.81M –
KCAC.U icon
5497
Kensington Capital Acquisition Corp VI Units
KCAC.U
– –
-362,500
Closed -$3.64M –
MTAL.U icon
5498
Metals Acquisition Corp II Units
MTAL.U
– –
-229,167
Closed -$2.31M –
SUMAU icon
5499
SUMA Acquisition Corp Units
SUMAU
– –
-271,875
Closed -$2.72M –
PONOU icon
5500
Pono Capital Four Inc Units
PONOU
– –
-217,499
Closed -$2.17M –
217 218 219
220
221

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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.