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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 | |
|---|---|---|---|---|---|---|
526
TE Connectivity
TEL
$58.7B
| $27.9M | 0.04% |
122,788
-190,037
| -61% | -$44M |
|
527
Prudential Financial
PRU
$42.1B
| $27.9M | 0.04% |
246,756
+9,974
| +4% | +$1.07M |
|
528
Omnicell
OMCL
$1.62B
| $27.7M | 0.04% |
612,345
+52,376
| +9% | +$1.92M |
|
529
Genmab
GMAB
$20.3B
| $27.6M | 0.04% |
895,843
-495,372
| -36% | -$15.4M |
|
530
Dimensional US Core Equity 2 ETF
DFAC
$49.2B
| $27.6M | 0.04% |
696,900
-767,500
| -52% | -$30M |
|
531
RLI Corp
RLI
$6.12B
| $27.6M | 0.04% |
430,829
-15,549
| -3% | -$977K |
|
532
Antero Resources
AR
$11.8B
| $27.5M | 0.04% |
796,662
+291,102
| +58% | +$9.86M |
|
533
Qualys
QLYS
$6.17B
| $27.4M | 0.04% |
206,425
+67,365
| +48% | +$9.27M |
|
534
Granite Construction
GVA
$5.42B
| $27.2M | 0.04% |
235,802
+78,949
| +50% | +$8.48M |
|
535
Trip.com Group
TCOM
$29B
| $27.1M | 0.04% |
377,363
+369,863
| +4,932% | +$26.4M |
|
536
Canadian Solar
CSIQ
$986M
| $26.9M | 0.04% |
1,133,276
+248,034
| +28% | +$5.41M |
|
537
First Majestic Silver
AG
$10.3B
| $26.9M | 0.04% |
1,616,331
+309,377
| +24% | +$4.3M |
|
538
COPT Defense Properties
CDP
$4.24B
| $26.9M | 0.04% |
967,902
+67,855
| +8% | +$1.96M |
|
539
W.P. Carey
WPC
$16.3B
| $26.9M | 0.04% |
417,995
+165,112
| +65% | +$11M |
|
540
Vital Farms
VITL
$499M
| $26.9M | 0.04% |
841,908
+1,400
| +0.2% | +$49.3K |
|
|
AXON
541
PUT
Axon Enterprise
AXON
$50B
| $26.8M | 0.04% |
47,200
+4,500
| +11% | +$2.79M |
|
|
AUGO
542
Aura Minerals Inc
AUGO
$7.47B
| $26.7M | 0.04% |
529,719
+208,212
| +65% | +$8.18M |
|
543
iShares Russell 1000 ETF
IWB
$48.8B
| $26.6M | 0.04% |
71,360
-186,440
| -72% | -$69.1M |
|
544
First Trust Cloud Computing ETF
SKYY
$3.26B
| $26.6M | 0.04% |
+204,800
| New | +$27.4M |
|
|
ARIS
545
Aris Mining
ARIS
$4.32B
| $26.6M | 0.04% |
1,641,336
-118,331
| -7% | -$1.45M |
|
546
XPO
XPO
$22.6B
| $26.6M | 0.04% |
195,709
-46,925
| -19% | -$6.39M |
|
547
Axsome Therapeutics
AXSM
$10.8B
| $26.6M | 0.04% |
145,597
+137,390
| +1,674% | +$19.2M |
|
548
Fidelity National Financial
FNF
$12.7B
| $26.6M | 0.04% |
487,036
-143,365
| -23% | -$8.16M |
|
549
iShares Mortgage Real Estate ETF
REM
$545M
| $26.4M | 0.04% |
+1,191,258
| New | +$26.5M |
|
550
Tandem Diabetes Care
TNDM
$1.58B
| $26.4M | 0.04% |
1,201,527
+84,325
| +8% | +$1.52M |
|
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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.