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 |
Alphabet (Google) Class A
GOOGL
|
+$546M |
| 2 |
Microsoft
MSFT
|
+$480M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$362M |
| 4 |
Meta Platforms (Facebook)
META
|
+$350M |
| 5 |
Coca-Cola
KO
|
+$266M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Robinhood
HOOD
|
+$1.04B |
| 2 |
Palantir
PLTR
|
+$800M |
| 3 |
Apple
AAPL
|
+$516M |
| 4 |
Netflix
NFLX
|
+$326M |
| 5 |
NVIDIA
NVDA
|
+$313M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 21.71% |
| 2 | Healthcare | 15.16% |
| 3 | Consumer Discretionary | 11.81% |
| 4 | Communication Services | 10.53% |
| 5 | Financials | 9.27% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
726
Franklin Resources
BEN
$17.2B
| $20M | 0.03% |
863,600
+670,400
| +347% | +$16.6M |
|
727
Fortuna Silver Mines
FSM
$3.1B
| $19.9M | 0.03% |
2,226,200
-4,422,300
| -67% | -$32.3M |
|
728
Autoliv
ALV
$8.89B
| $19.9M | 0.03% |
161,000
+71,700
| +80% | +$8.58M |
|
729
Seaboard Corp
SEB
$4.08B
| $19.9M | 0.03% |
5,445
+48
| +0.9% | +$167K |
|
730
Cameco
CCJ
$42.6B
| $19.8M | 0.03% |
236,489
-104,711
| -31% | -$8.12M |
|
731
LSI Industries
LYTS
$912M
| $19.8M | 0.03% |
838,492
-97,200
| -10% | -$1.98M |
|
732
Steris
STE
$23B
| $19.7M | 0.03% |
79,808
+55,100
| +223% | +$13.2M |
|
733
Titan International
TWI
$438M
| $19.7M | 0.03% |
2,602,987
+131,000
| +5% | +$1.17M |
|
734
SunCoke Energy
SXC
$788M
| $19.6M | 0.03% |
2,401,761
+87,500
| +4% | +$697K |
|
735
Cosan
CSAN
$2.57B
| $19.5M | 0.03% |
4,234,182
-459,800
| -10% | -$2.12M |
|
736
ICICI Bank
IBN
$106B
| $19.4M | 0.03% |
642,550
-1,019,901
| -61% | -$33.3M |
|
737
CAVA Group
CAVA
$8.43B
| $19.3M | 0.03% |
320,250
-765,706
| -71% | -$58M |
|
738
Monarch Casino & Resort
MCRI
$2.2B
| $19.3M | 0.03% |
182,500
+44,200
| +32% | +$4.43M |
|
739
Univest Financial
UVSP
$1.19B
| $19.3M | 0.03% |
643,289
+17,800
| +3% | +$547K |
|
740
AMC Entertainment Holdings
AMC
$2.35B
| $19.3M | 0.03% |
6,640,819
+958,800
| +17% | +$2.85M |
|
741
Kearny Financial
KRNY
$604M
| $19.3M | 0.03% |
2,930,016
-66,489
| -2% | -$427K |
|
742
American Superconductor
AMSC
$1.53B
| $19.2M | 0.03% |
+323,989
| New | +$16.2M |
|
743
UFP Industries
UFPI
$5.03B
| $19.2M | 0.03% |
205,709
-81,100
| -28% | -$8.19M |
|
744
Village Super Market
VLGEA
$638M
| $19.2M | 0.03% |
513,384
-5,500
| -1% | -$202K |
|
745
Vitamin Cottage Natural Grocers
NGVC
$646M
| $19.2M | 0.03% |
478,909
-62,400
| -12% | -$2.41M |
|
746
First Horizon
FHN
$12.3B
| $19.1M | 0.03% |
844,411
+300,911
| +55% | +$6.69M |
|
747
Limbach Holdings
LMB
$527M
| $19M | 0.03% |
195,971
-75,000
| -28% | -$9.03M |
|
748
Halliburton
HAL
$27.4B
| $19M | 0.03% |
771,995
+730,495
| +1,760% | +$16.2M |
|
|
PBPB
749
DELISTED
Potbelly
PBPB
| $19M | 0.03% |
1,112,954
-600
| -0.1% | -$8.13K |
|
750
RPM International
RPM
$14.5B
| $18.9M | 0.03% |
160,600
+140,700
| +707% | +$16.9M |
|
Similar funds
Jim Simons's Q3 2025 Portfolio in Review
As of Q3 2025, Jim Simons held 4,038 positions worth $75.8B, up 0.77% from $75.2B the previous quarter. Its ten largest holdings account for 11% of the portfolio.
Jim Simons withdrew a net $5.41B in Q3 2025, closing 581 positions and reducing 1,457 holdings. Its most notable exit was GE Aerospace, an estimated $235M position sold in full.
By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 20% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Jim Simons opened a new position in Alphabet (Google) Class C worth $419M.
- Jim Simons's largest Q3 2025 buy was Alphabet (Google) Class C: 1,720,002 shares worth $419M.
- Jim Simons added most to Alphabet (Google) Class A in Q3 2025, an estimated $546M increase.
- Jim Simons's biggest Q3 2025 reduction was Robinhood, cutting an estimated $1.04B.
- Jim Simons fully exited GE Aerospace in Q3 2025, selling an estimated $235M.
- Jim Simons's ten largest holdings make up 11% of its $75.8B portfolio in Q3 2025.
- Jim Simons opened 516 new positions and closed 581 in Q3 2025.
- Jim Simons's portfolio value rose 0.77% quarter-over-quarter to $75.8B.
Based on Renaissance Technologies's 13F filing for Q3 2025, filed 13 Nov 2025.