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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
TER icon
2376
PUT
Teradyne
TER
$58.7B
$3.63M ﹤0.01%
7,500
+3,100
+70% +$1.17M
KCA.U
2377
Kensington Capital Acquisition Corp VI New Units
KCA.U
$3.63M ﹤0.01%
+362,500
New +$3.64M
GSRVU
2378
GSR V Acquisition Corp. Units
GSRVU
$3.63M ﹤0.01%
+362,500
New +$3.63M
ISNRU
2379
Snow Rothschild Acquisition Corp Units
ISNRU
$3.63M ﹤0.01%
+362,500
New +$3.63M
CARE icon
2380
Carter Bankshares
CARE
$724M
$3.63M ﹤0.01%
106,590
+76,286
+252% +$2.06M
GPAC
2381
General Purpose Acquisition Corp
GPAC
$3.63M ﹤0.01%
362,500
– –
AEAQ
2382
Activate Energy Acquisition Corp
AEAQ
$315M
$3.63M ﹤0.01%
362,500
– –
LPCV
2383
Launchpad Cadenza Acquisition Corp I
LPCV
$3.63M ﹤0.01%
362,500
– –
BIXI
2384
Bitcoin Infrastructure Acquisition Corp
BIXI
$304M
$3.62M ﹤0.01%
362,500
– –
XCBE
2385
X3 Acquisition Corp
XCBE
$3.62M ﹤0.01%
362,500
– –
SHOTU
2386
RMG ML Sports Holdings Unit
SHOTU
$201M
$3.62M ﹤0.01%
+362,500
New +$3.62M
BLLN
2387
BillionToOne Inc
BLLN
$4.48B
$3.62M ﹤0.01%
30,176
-52,600
-64% -$4.8M
ITHA
2388
ITHAX Acquisition Corp III
ITHA
$3.62M ﹤0.01%
362,500
– –
VHCP
2389
Vine Hill Capital Investment Corp II
VHCP
$308M
$3.62M ﹤0.01%
362,500
– –
KMB icon
2390
CALL
Kimberly-Clark
KMB
$36.4B
$3.61M ﹤0.01%
32,900
+20,400
+163% +$2.02M
WLCOU
2391
Wilco 63 Corporation Units
WLCOU
$3.61M ﹤0.01%
+362,500
New +$3.6M
ACGC
2392
ACP Holdings Acquisition Corp
ACGC
$3.6M ﹤0.01%
+362,500
New +$3.6M
HZO icon
2393
MarineMax
HZO
$1.15B
$3.6M ﹤0.01%
98,388
+26,226
+36% +$842K
FGII
2394
FG Imperii Acquisition Corp
FGII
$3.6M ﹤0.01%
362,500
– –
QLEP
2395
Quantum Leap Acquisition Corp
QLEP
$300M
$3.6M ﹤0.01%
+362,500
New +$3.6M
MDGL icon
2396
PUT
Madrigal Pharmaceuticals
MDGL
$11.9B
$3.6M ﹤0.01%
6,700
+5,900
+738% +$3.02M
LEGO
2397
Legato Merger Corp IV
LEGO
$313M
$3.6M ﹤0.01%
+362,500
New +$3.58M
MPWR icon
2398
CALL
Monolithic Power Systems
MPWR
$64.7B
$3.59M ﹤0.01%
2,600
-600
-19% -$901K
XSLL
2399
Xsolla SPAC 1
XSLL
$276M
$3.59M ﹤0.01%
362,500
– –
CAQ
2400
Cambridge Acquisition Corp
CAQ
$312M
$3.59M ﹤0.01%
362,500
– –
94 95
96
97 98

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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.