Jim Simons Renaissance Technologies
Jim Simons is the founder of Renaissance Technologies, one of the most successful quantitative hedge funds in the world. Before his career in finance, he served as a mathematics professor and made significant contributions to differential geometry. Simons applied his analytical expertise to develop sophisticated, algorithm-driven trading strategies, earning consistently high returns for investors.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$800M |
| 2 |
NVIDIA
NVDA
|
+$304M |
| 3 |
Broadcom
AVGO
|
+$261M |
| 4 |
Linde
LIN
|
+$237M |
| 5 |
JPMorgan Chase
JPM
|
+$208M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Costco
COST
|
+$656M |
| 2 |
Netflix
NFLX
|
+$632M |
| 3 |
Tesla
TSLA
|
+$474M |
| 4 |
Procter & Gamble
PG
|
+$428M |
| 5 |
Micron Technology
MU
|
+$332M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 22.04% |
| 2 | Healthcare | 15.35% |
| 3 | Industrials | 11.13% |
| 4 | Consumer Discretionary | 10.88% |
| 5 | Financials | 10.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
901
Vanguard Morningstar Growth ETF
VUG
$229B
| $11.6M | 0.02% |
159,120
+152,160
| +2,186% | +$11.8M |
|
902
Universal Display
OLED
$4.23B
| $11.5M | 0.02% |
+125,939
| New | +$13.9M |
|
|
BAND
903
Bandwidth Inc
BAND
$1.67B
| $11.5M | 0.02% |
644,981
+26,081
| +4% | +$382K |
|
904
BlackBerry
BB
$5.14B
| $11.5M | 0.02% |
3,545,543
+2,063,153
| +139% | +$7.29M |
|
905
Alphatec Holdings
ATEC
$1.49B
| $11.5M | 0.02% |
1,055,100
+184,969
| +21% | +$2.69M |
|
906
Interface
TILE
$2.24B
| $11.5M | 0.02% |
460,156
+238,515
| +108% | +$7.14M |
|
907
Pagaya Technologies
PGY
$1.69B
| $11.5M | 0.02% |
983,585
-370,479
| -27% | -$5.86M |
|
908
Bilibili
BILI
$7.37B
| $11.4M | 0.02% |
507,335
+277,900
| +121% | +$8.01M |
|
909
Utah Medical Products
UTMD
$230M
| $11.4M | 0.02% |
184,114
-9,500
| -5% | -$598K |
|
910
FerroAtlántica
GSM
$832M
| $11.4M | 0.02% |
2,768,235
-103,900
| -4% | -$501K |
|
911
ADMA Biologics
ADMA
$2.19B
| $11.4M | 0.02% |
1,262,634
-269,987
| -18% | -$4.26M |
|
912
NVE Corp
NVEC
$591M
| $11.4M | 0.02% |
173,600
-5,532
| -3% | -$373K |
|
913
TG Therapeutics
TGTX
$7.58B
| $11.3M | 0.02% |
+340,900
| New | +$10.2M |
|
914
Cousins Properties
CUZ
$4.85B
| $11.2M | 0.02% |
497,462
+282,831
| +132% | +$6.86M |
|
|
TIGR
915
UP Fintech Holding
TIGR
$818M
| $11.2M | 0.02% |
1,782,066
+1,006,566
| +130% | +$8.2M |
|
916
Ero Copper
ERO
$3.76B
| $11.2M | 0.02% |
420,876
+372,400
| +768% | +$11.2M |
|
917
Kodiak Sciences
KOD
$2.72B
| $11.2M | 0.02% |
294,300
-65,500
| -18% | -$1.69M |
|
|
VSNT
918
Versant Media Group
VSNT
$5.27B
| $11.2M | 0.02% |
+302,900
| New | +$10.2M |
|
919
Madison Square Garden
MSGE
$4.18B
| $11.2M | 0.02% |
+189,800
| New | +$11.2M |
|
920
Star Group
SGU
$417M
| $11.2M | 0.02% |
910,108
+10,281
| +1% | +$130K |
|
921
Green Plains
GPRE
$1.06B
| $11.2M | 0.02% |
679,277
-528,800
| -44% | -$7.18M |
|
922
LendingTree
TREE
$444M
| $11.2M | 0.02% |
260,300
-12,200
| -4% | -$584K |
|
923
Global Industrial
GIC
$1.49B
| $11.1M | 0.02% |
352,571
-4,608
| -1% | -$145K |
|
|
EHAB
924
DELISTED
Enhabit
EHAB
| $11.1M | 0.02% |
787,768
+421,968
| +115% | +$5.05M |
|
|
SPYM
925
State Street SPDR Portfolio S&P 500 ETF
SPYM
$168B
| $11.1M | 0.02% |
144,800
-53,300
| -27% | -$4.26M |
|
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Jim Simons's Q1 2026 Portfolio in Review
As of Q1 2026, Jim Simons held 3,809 positions worth $63.9B, down 0.82% from $64.5B the previous quarter. Its ten largest holdings account for 11% of the portfolio.
Jim Simons's Q1 2026 filing shows 624 new, 1,320 increased, 1,262 reduced and 596 closed positions. Its largest new stake was Apple: 3,075,638 shares worth $781M. The largest sale was Costco, an estimated $656M.
By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 21% a quarter earlier, followed by Healthcare and Industrials.
- Jim Simons's largest Q1 2026 buy was Apple: 3,075,638 shares worth $781M.
- Jim Simons added most to NVIDIA in Q1 2026, an estimated $304M increase.
- Jim Simons's biggest Q1 2026 reduction was Costco, cutting an estimated $656M.
- Jim Simons fully exited Procter & Gamble in Q1 2026, selling an estimated $428M.
- Jim Simons's ten largest holdings make up 11% of its $63.9B portfolio in Q1 2026.
- Jim Simons opened 624 new positions and closed 596 in Q1 2026.
- Jim Simons's portfolio value fell 0.82% quarter-over-quarter to $63.9B.
Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.