John Overdeck Two Sigma Investments
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.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Intuit
INTU
|
+$753M |
| 2 |
Boston Scientific
BSX
|
+$540M |
| 3 |
Dow Inc
DOW
|
+$485M |
| 4 |
Wells Fargo
WFC
|
+$457M |
| 5 |
Goldman Sachs
GS
|
+$378M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Micron Technology
MU
|
+$1.32B |
| 2 |
NVIDIA
NVDA
|
+$1.02B |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$787M |
| 4 |
SNDK
Sandisk
SNDK
|
+$744M |
| 5 |
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 | |
|---|---|---|---|---|---|---|
951
Tenable Holdings
TENB
$3.74B
| $22M | 0.02% |
596,935
-657,301
| -52% | -$15.5M |
|
952
CNO Financial Group
CNO
$5.02B
| $22M | 0.02% |
431,639
+316,458
| +275% | +$14.7M |
|
953
PUT
Strategy Inc
MSTR
$48.7B
| $22M | 0.02% |
252,800
-21,200
| -8% | -$3.08M |
|
954
HealthStream
HSTM
$842M
| $22M | 0.02% |
805,584
-38,836
| -5% | -$909K |
|
955
Chevron
CVX
$398B
| $21.9M | 0.02% |
131,919
-1,185,641
| -90% | -$221M |
|
956
Coinbase
COIN
$47.4B
| $21.8M | 0.02% |
149,144
+104,374
| +233% | +$18.8M |
|
957
PUT
Palo Alto Networks
PANW
$286B
| $21.8M | 0.02% |
63,900
+39,100
| +158% | +$8.95M |
|
958
Associated Banc-Corp
ASB
$5.84B
| $21.7M | 0.02% |
706,409
+155,089
| +28% | +$4.37M |
|
959
WaFd
WAFD
$2.69B
| $21.7M | 0.02% |
566,391
+14,690
| +3% | +$517K |
|
960
PUT
Mercado Libre
MELI
$98.8B
| $21.7M | 0.02% |
12,800
+7,800
| +156% | +$13.3M |
|
961
Metropolitan Bank Holding Corp
MCB
$1.12B
| $21.7M | 0.02% |
219,861
+123,242
| +128% | +$11.2M |
|
962
Weis Markets
WMK
$1.76B
| $21.7M | 0.02% |
276,844
+48,326
| +21% | +$3.55M |
|
963
Bankunited
BKU
$3.3B
| $21.7M | 0.02% |
446,968
+43,861
| +11% | +$2.06M |
|
964
FB Financial Corp
FBK
$2.91B
| $21.6M | 0.02% |
390,309
+113,064
| +41% | +$6.07M |
|
965
Stepan Co
SCL
$1.41B
| $21.6M | 0.02% |
387,268
+59,446
| +18% | +$3.09M |
|
966
Biglari Holdings Class B
BH
$1.2B
| $21.6M | 0.02% |
50,618
+42,023
| +489% | +$13.1M |
|
967
Wave Life Sciences
WVE
$1.01B
| $21.5M | 0.02% |
3,707,686
+1,829,571
| +97% | +$12.1M |
|
968
Applied Materials
AMAT
$384B
| $21.5M | 0.02% |
29,763
-413,887
| -93% | -$191M |
|
969
Buckle
BKE
$2.29B
| $21.5M | 0.02% |
509,251
-117,998
| -19% | -$5.84M |
|
970
Banner Corp
BANR
$2.41B
| $21.5M | 0.02% |
323,292
-89,008
| -22% | -$5.78M |
|
971
CALL
Boeing
BA
$166B
| $21.5M | 0.02% |
99,200
+33,900
| +52% | +$7.54M |
|
972
Brookfield
BN
$93.7B
| $21.4M | 0.02% |
502,553
-87,368
| -15% | -$3.91M |
|
973
Arvinas
ARVN
$611M
| $21.4M | 0.02% |
2,573,447
+741,333
| +40% | +$6.91M |
|
974
Amplify CWP Enhanced Dividend Income ETF
DIVO
$7.94B
| $21.3M | 0.02% |
466,800
+350,700
| +302% | +$16.1M |
|
975
Liquidia Corp
LQDA
$6.29B
| $21.3M | 0.02% |
266,829
-296,404
| -53% | -$15.9M |
|
Similar funds
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.