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JO

John Overdeck Two Sigma Investments

AUM $138B
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
-$4.38B
Cap. Flow %
-3.17%
Top 10 Hldgs %
8.28%
Holding
5,589
New
1,050
Increased
1,919
Reduced
1,756
Closed
572

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
Sandisk
SNDK
+$744M
5
DELL icon
Dell
DELL
+$688M

Sector Composition

Rank Sector Weight
1 Technology 19.71%
2 Financials 15.22%
3 Healthcare 11.94%
4 Industrials 11.55%
5 Consumer Discretionary 9.6%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
LEGO.U
5476
Legato Merger Corp IV Units
LEGO.U
– –
-362,500
Closed -$3.62M
BBCQ
5477
Bleichroeder Acquisition Corp II
BBCQ
$372M
– –
-453,124
Closed -$4.54M
PPHC
5478
Public Policy Holding Co
PPHC
$319M
– –
-18,250
Closed -$239K
NBRGU
5479
Newbridge Acquisition Ltd Unit
NBRGU
– –
-90,625
Closed -$909K
BOBS
5480
Bobs Discount Furniture
BOBS
$2.29B
– –
-564,122
Closed -$6.63M
HCICU
5481
Hennessy Capital Investment Corp VIII Units
HCICU
– –
-380,625
Closed -$3.81M
AGBK
5482
AGI Inc
AGBK
$357M
– –
-45,842
Closed -$333K
HACQU
5483
HCM IV Acquisition Corp Unit
HACQU
– –
-453,124
Closed -$4.54M
IACOU
5484
Idea Acquisition Corp Units
IACOU
$352M
– –
-583,593
Closed -$5.78M
PAACU
5485
Proem Acquisition Corp I Units
PAACU
– –
-235,624
Closed -$2.35M
TMTSU
5486
Spartacus Acquisition Corp II Unit
TMTSU
– –
-336,458
Closed -$3.37M
WLIIU
5487
Willow Lane Acquisition Corp II Unit
WLIIU
– –
-226,562
Closed -$2.29M
AACOU
5488
Abony Acquisition Corp I Units
AACOU
– –
-362,500
Closed -$3.6M
ACAAU
5489
Averin Capital Acquisition Corp Units
ACAAU
– –
-453,124
Closed -$4.53M
PALOU
5490
Paloma Acquisition Corp I Units
PALOU
– –
-271,875
Closed -$2.71M
CTAAU
5491
ClearThink 1 Acquisition Corp Units
CTAAU
– –
-226,562
Closed -$2.26M
MZYX.U
5492
MOZAYYX Acquisition Corp Units
MZYX.U
– –
-473,062
Closed -$4.7M
TRAD.U
5493
APEX Tech Acquisition Inc Units
TRAD.U
– –
-181,250
Closed -$1.81M
ILLUU
5494
Illumination Acquisition Corp I Units
ILLUU
– –
-362,500
Closed -$3.6M
TRGSU
5495
TRG Latin America Acquisitions Corp Units
TRGSU
– –
-362,500
Closed -$3.61M
GLED.U
5496
GalaxyEdge Acquisition Corp Units
GLED.U
– –
-181,250
Closed -$1.81M
KCAC.U
5497
Kensington Capital Acquisition Corp VI Units
KCAC.U
– –
-362,500
Closed -$3.64M
MTAL.U
5498
Metals Acquisition Corp II Units
MTAL.U
– –
-229,167
Closed -$2.31M
SUMAU
5499
SUMA Acquisition Corp Units
SUMAU
– –
-271,875
Closed -$2.72M
PONOU
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 $4.38B 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 Healthcare.

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.