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 | |
|---|---|---|---|---|---|---|
801
Progyny
PGNY
$1.95B
| $13.8M | 0.02% |
812,067
-6,300
| -0.8% | -$135K |
|
802
Spok Holdings
SPOK
$230M
| $13.8M | 0.02% |
1,261,579
+15,000
| +1% | +$191K |
|
803
3M
MMM
$94.8B
| $13.7M | 0.02% |
+94,600
| New | +$15.1M |
|
804
Bumble
BMBL
$344M
| $13.7M | 0.02% |
4,213,887
+1,378,487
| +49% | +$4.58M |
|
805
Helmerich & Payne
HP
$4.29B
| $13.7M | 0.02% |
381,100
-90,000
| -19% | -$3.07M |
|
806
Southside Bancshares
SBSI
$979M
| $13.7M | 0.02% |
440,146
-20,300
| -4% | -$643K |
|
807
Perion Network
PERI
$377M
| $13.7M | 0.02% |
1,369,115
-228
| -0% | -$2.06K |
|
808
Tetra Tech
TTEK
$9.09B
| $13.7M | 0.02% |
453,600
-55,100
| -11% | -$1.95M |
|
809
Dana Inc
DAN
$3.2B
| $13.6M | 0.02% |
405,100
-401,200
| -50% | -$12.5M |
|
810
Cummins
CMI
$87.8B
| $13.6M | 0.02% |
+25,220
| New | +$14.3M |
|
811
Sony
SONY
$138B
| $13.6M | 0.02% |
+655,000
| New | +$14.7M |
|
812
Fortrea Holdings
FTRE
$1.74B
| $13.5M | 0.02% |
1,432,709
+643,000
| +81% | +$8.27M |
|
813
Dick's Sporting Goods
DKS
$18.1B
| $13.5M | 0.02% |
+67,939
| New | +$13.8M |
|
814
KNOT Offshore Partners
KNOP
$362M
| $13.5M | 0.02% |
1,335,435
+108,400
| +9% | +$1.13M |
|
815
State Street Health Care Select Sector SPDR ETF
XLV
$44B
| $13.4M | 0.02% |
+91,700
| New | +$14.1M |
|
|
FIG
816
Figma
FIG
$12.7B
| $13.4M | 0.02% |
634,500
-1,133,700
| -64% | -$31.1M |
|
|
GOOD
817
Gladstone Commercial Corp
GOOD
$630M
| $13.4M | 0.02% |
1,170,224
-115,242
| -9% | -$1.35M |
|
818
Healthpeak Properties
DOC
$14.2B
| $13.4M | 0.02% |
813,568
+255,730
| +46% | +$4.38M |
|
819
Tactile Systems Technology
TCMD
$555M
| $13.3M | 0.02% |
510,897
+124,597
| +32% | +$3.56M |
|
820
FirstEnergy
FE
$27.2B
| $13.3M | 0.02% |
263,108
-855,600
| -76% | -$41.5M |
|
821
Brink's
BCO
$4.69B
| $13.3M | 0.02% |
128,532
-14,800
| -10% | -$1.78M |
|
822
Zions Bancorporation
ZION
$10.5B
| $13.3M | 0.02% |
+230,495
| New | +$13.6M |
|
823
Civeo
CVEO
$345M
| $13.3M | 0.02% |
501,732
-22,300
| -4% | -$598K |
|
824
Ooma
OOMA
$553M
| $13.3M | 0.02% |
912,203
+99,100
| +12% | +$1.24M |
|
825
Primerica
PRI
$9.57B
| $13.2M | 0.02% |
+52,820
| New | +$13.6M |
|
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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.