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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
+3.47%
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
$70.9B
AUM Growth
+$3.72B
(+5.5%)
Cap. Flow
+$541M
Cap. Flow
% of AUM
0.76%
Top 10 Holdings %
Top 10 Hldgs %
4.9%
Holding
4,545
New
899
Increased
1,598
Reduced
1,287
Closed
504
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street Technology Select Sector SPDR ETF
XLK
|
+$395M |
| 2 |
Vanguard Real Estate ETF
VNQ
|
+$321M |
| 3 |
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
|
+$318M |
| 4 |
ServiceNow
NOW
|
+$272M |
| 5 |
Schwab US REIT ETF
SCHH
|
+$248M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$547M |
| 2 |
State Street Consumer Staples Select Sector SPDR ETF
XLP
|
+$447M |
| 3 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$377M |
| 4 |
iShares MSCI USA Quality Factor ETF
QUAL
|
+$299M |
| 5 |
Alphabet (Google) Class A
GOOGL
|
+$269M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 15.53% |
| 2 | Financials | 13% |
| 3 | Industrials | 11.22% |
| 4 | Healthcare | 10.29% |
| 5 | Consumer Discretionary | 9.16% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1501
Energizer
ENR
$1.5B
| $5.77M | 0.01% |
290,111
+164,583
| +131% | +$3.59M |
|
1502
AtaiBeckley Inc
ATAI
$2.74B
| $5.77M | 0.01% |
1,410,229
+1,046,403
| +288% | +$4.94M |
|
1503
WSFS Financial
WSFS
$4.02B
| $5.77M | 0.01% |
104,410
+97,159
| +1,340% | +$5.32M |
|
1504
GATX Corp
GATX
$6.3B
| $5.73M | 0.01% |
33,791
+31,374
| +1,298% | +$5.17M |
|
1505
MarineMax
HZO
$1.15B
| $5.73M | 0.01% |
236,426
+112,824
| +91% | +$2.78M |
|
1506
Central Pacific Financial
CPF
$978M
| $5.72M | 0.01% |
183,704
-5,991
| -3% | -$181K |
|
1507
Axcelis
ACLS
$3.72B
| $5.72M | 0.01% |
71,244
+34,079
| +92% | +$2.85M |
|
1508
Trinity Capital Inc
TRIN
$1.77B
| $5.71M | 0.01% |
390,014
-596,170
| -60% | -$8.88M |
|
|
DFTX
1509
Definium Therapeutics
DFTX
$5.88B
| $5.69M | 0.01% |
425,207
+128,764
| +43% | +$1.59M |
|
1510
Sonos
SONO
$1.81B
| $5.69M | 0.01% |
323,846
-341,700
| -51% | -$5.96M |
|
1511
Sotera Health
SHC
$5.58B
| $5.68M | 0.01% |
+321,905
| New | +$5.32M |
|
1512
Runway Growth Finance
RWAY
$274M
| $5.67M | 0.01% |
635,132
+32,722
| +5% | +$310K |
|
1513
PUT
Caterpillar
CAT
$378B
| $5.67M | 0.01% |
+9,900
| New | +$5.5M |
|
1514
Shopify
SHOP
$193B
| $5.66M | 0.01% |
35,187
+1,787
| +5% | +$287K |
|
|
NWAX.U
1515
New America Acquisition I Corp Units
NWAX.U
| $5.66M | 0.01% |
+543,750
| New | +$5.65M |
|
1516
Allegiant Air
ALGT
$2.26B
| $5.66M | 0.01% |
66,319
-63,193
| -49% | -$4.52M |
|
1517
Prime Medicine
PRME
$649M
| $5.65M | 0.01% |
1,629,324
+1,181,657
| +264% | +$5.26M |
|
1518
UroGen Pharma
URGN
$2.25B
| $5.65M | 0.01% |
241,213
-144,990
| -38% | -$3.15M |
|
1519
Kyndryl
KD
$2.76B
| $5.64M | 0.01% |
212,332
+203,955
| +2,435% | +$5.53M |
|
|
SVCC
1520
Stellar V Capital Corp
SVCC
$230M
| $5.64M | 0.01% |
543,750
| – | – |
|
|
LGN
1521
Legence Corp
LGN
$4.45B
| $5.63M | 0.01% |
130,864
+122,364
| +1,440% | +$4.84M |
|
1522
PUT
Johnson & Johnson
JNJ
$651B
| $5.63M | 0.01% |
27,200
-9,800
| -26% | -$1.94M |
|
1523
Myriad Genetics
MYGN
$298M
| $5.63M | 0.01% |
915,171
+186,497
| +26% | +$1.35M |
|
|
SVAC
1524
DELISTED
Spring Valley Acquisition Corp III
SVAC
| $5.62M | 0.01% |
+554,070
| New | +$5.72M |
|
|
GTEN
1525
Gores Holdings X
GTEN
$481M
| $5.62M | 0.01% |
548,419
| – | – |
|
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John Overdeck's Q4 2025 Portfolio in Review
As of Q4 2025, John Overdeck held 4,545 positions worth $70.9B, up 5.5% from $67.2B the previous quarter. Its ten largest holdings account for 4.9% of the portfolio.
John Overdeck's Q4 2025 filing shows 899 new, 1,598 increased, 1,287 reduced and 504 closed positions. Its largest new stake was Vanguard Real Estate ETF: 3,573,400 shares worth $316M. The largest sale was State Street Financial Select Sector SPDR ETF, an estimated $547M.
By sector, the portfolio is most concentrated in Technology at 16% of assets, down from 16% a quarter earlier, followed by Financials and Industrials.
- John Overdeck's largest Q4 2025 buy was Vanguard Real Estate ETF: 3,573,400 shares worth $316M.
- John Overdeck added most to State Street Technology Select Sector SPDR ETF in Q4 2025, an estimated $395M increase.
- John Overdeck's biggest Q4 2025 reduction was State Street Financial Select Sector SPDR ETF, cutting an estimated $547M.
- John Overdeck fully exited State Street SPDR Dow Jones Industrial Average ETF Trust in Q4 2025, selling an estimated $240M.
- John Overdeck's ten largest holdings make up 4.9% of its $70.9B portfolio in Q4 2025.
- John Overdeck opened 899 new positions and closed 504 in Q4 2025.
- John Overdeck's portfolio value rose 5.5% quarter-over-quarter to $70.9B.
Based on Two Sigma Investments's 13F filing for Q4 2025, filed 17 Feb 2026.