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 |
NVIDIA
NVDA
|
+$798M |
| 2 |
Netflix
NFLX
|
+$608M |
| 3 |
UnitedHealth
UNH
|
+$517M |
| 4 |
Apple
AAPL
|
+$461M |
| 5 |
GE Vernova
GEV
|
+$296M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Broadcom
AVGO
|
+$527M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$372M |
| 3 |
Meta Platforms (Facebook)
META
|
+$362M |
| 4 |
Advanced Micro Devices
AMD
|
+$328M |
| 5 |
Palantir
PLTR
|
+$327M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 19.57% |
| 2 | Healthcare | 15.8% |
| 3 | Consumer Discretionary | 12.38% |
| 4 | Financials | 11.53% |
| 5 | Industrials | 8.92% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
851
Metallus
MTUS
$900M
| $14.9M | 0.02% |
968,533
-4,600
| -0.5% | -$61.3K |
|
852
First Busey Corp
BUSE
$2.58B
| $14.9M | 0.02% |
652,046
-113,800
| -15% | -$2.46M |
|
853
Preformed Line Products
PLPC
$2.29B
| $14.9M | 0.02% |
93,116
+29,900
| +47% | +$4.26M |
|
854
LifeMD
LFMD
$159M
| $14.8M | 0.02% |
1,086,200
+600,100
| +123% | +$5.67M |
|
855
Zoetis
ZTS
$30.4B
| $14.8M | 0.02% |
+94,600
| New | +$15M |
|
856
RenaissanceRe
RNR
$13.2B
| $14.7M | 0.02% |
+60,682
| New | +$14.7M |
|
857
Ardmore Shipping
ASC
$681M
| $14.7M | 0.02% |
1,530,528
+169,371
| +12% | +$1.63M |
|
858
Central Garden & Pet Co Class A
CENTA
$2.43B
| $14.7M | 0.02% |
468,575
+23,700
| +5% | +$740K |
|
859
Haverty Furniture Companies
HVT
$441M
| $14.6M | 0.02% |
717,606
+4,000
| +0.6% | +$78.1K |
|
860
AptarGroup
ATR
$8.47B
| $14.6M | 0.02% |
93,100
-30,900
| -25% | -$4.67M |
|
|
OLP
861
One Liberty Properties
OLP
$523M
| $14.6M | 0.02% |
610,051
-11,700
| -2% | -$286K |
|
862
Nomura Holdings
NMR
$29B
| $14.6M | 0.02% |
2,211,337
+240,400
| +12% | +$1.41M |
|
863
Pfizer
PFE
$150B
| $14.5M | 0.02% |
600,033
-151,991
| -20% | -$3.54M |
|
864
National Fuel Gas
NFG
$7.77B
| $14.5M | 0.02% |
+171,621
| New | +$13.9M |
|
|
NFBK
865
DELISTED
Northfield Bancorp
NFBK
| $14.5M | 0.02% |
1,266,049
+61,900
| +5% | +$687K |
|
866
Axsome Therapeutics
AXSM
$11.2B
| $14.5M | 0.02% |
138,700
+4,300
| +3% | +$455K |
|
867
CEMIG Preferred Shares
CIG
$5.61B
| $14.4M | 0.02% |
7,346,349
+452,000
| +7% | +$827K |
|
868
Chefs' Warehouse
CHEF
$4.53B
| $14.4M | 0.02% |
225,171
+140,249
| +165% | +$8.33M |
|
869
Hilton Worldwide
HLT
$72.6B
| $14.3M | 0.02% |
53,800
-297,700
| -85% | -$70.9M |
|
870
Nu Skin
NUS
$236M
| $14.3M | 0.02% |
1,790,199
-43,497
| -2% | -$305K |
|
871
First Trust Smith Unconstrained Bond ETF
UCON
$3.28B
| $14.3M | 0.02% |
573,233
+62,833
| +12% | +$1.55M |
|
872
Valaris
VAL
$5.92B
| $14.2M | 0.02% |
+338,000
| New | +$12.7M |
|
873
Vishay Precision Group
VPG
$934M
| $14.2M | 0.02% |
504,673
-22,300
| -4% | -$549K |
|
874
Tetra Tech
TTEK
$9.09B
| $14.1M | 0.02% |
392,500
+127,500
| +48% | +$4.24M |
|
|
EXK
875
Endeavour Silver
EXK
$3.14B
| $14.1M | 0.02% |
2,864,997
+2,495,797
| +676% | +$9.83M |
|
Similar funds
Jim Simons's Q2 2025 Portfolio in Review
As of Q2 2025, Jim Simons held 4,018 positions worth $75.2B, up 14% from $66.1B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Jim Simons's Q2 2025 filing shows 612 new, 1,577 increased, 1,314 reduced and 496 closed positions. Its largest new stake was UnitedHealth: 1,352,129 shares worth $422M. The largest sale was Broadcom, an estimated $527M.
By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 17% a quarter earlier, followed by Healthcare and Consumer Discretionary.
- Jim Simons's largest Q2 2025 buy was UnitedHealth: 1,352,129 shares worth $422M.
- Jim Simons added most to NVIDIA in Q2 2025, an estimated $798M increase.
- Jim Simons's biggest Q2 2025 reduction was Broadcom, cutting an estimated $527M.
- Jim Simons fully exited Advanced Micro Devices in Q2 2025, selling an estimated $328M.
- Jim Simons's ten largest holdings make up 12% of its $75.2B portfolio in Q2 2025.
- Jim Simons opened 612 new positions and closed 496 in Q2 2025.
- Jim Simons's portfolio value rose 14% quarter-over-quarter to $75.2B.
Based on Renaissance Technologies's 13F filing for Q2 2025, filed 13 Aug 2025.