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 | |
|---|---|---|---|---|---|---|
651
Prudential Financial
PRU
$43B
| $23.5M | 0.03% |
+226,200
| New | +$23.8M |
|
652
Estee Lauder
EL
$31.6B
| $23.3M | 0.03% |
264,800
+228,000
| +620% | +$20.3M |
|
653
Hovnanian Enterprises
HOV
$799M
| $23.3M | 0.03% |
181,415
-2,200
| -1% | -$293K |
|
654
State Street Utilities Select Sector SPDR ETF
XLU
$22.9B
| $23.3M | 0.03% |
533,800
+113,800
| +27% | +$4.81M |
|
655
OR Royalties Inc
OR
$6.15B
| $23.3M | 0.03% |
580,702
-370,000
| -39% | -$11.5M |
|
656
Unitil
UTL
$992M
| $23.2M | 0.03% |
484,040
+49,600
| +11% | +$2.42M |
|
657
Snap-on
SNA
$20.9B
| $23.1M | 0.03% |
66,800
-44,800
| -40% | -$14.7M |
|
658
Public Service Enterprise Group
PEG
$37.8B
| $23.1M | 0.03% |
277,000
+67,900
| +32% | +$5.7M |
|
659
Omega Healthcare
OHI
$13.9B
| $22.9M | 0.03% |
542,478
+506,000
| +1,387% | +$20.4M |
|
660
Canadian Imperial Bank of Commerce
CM
$112B
| $22.9M | 0.03% |
286,028
-88,800
| -24% | -$6.68M |
|
661
Sensata Technologies
ST
$6.61B
| $22.8M | 0.03% |
745,300
+35,300
| +5% | +$1.12M |
|
662
Smith & Wesson
SWBI
$643M
| $22.7M | 0.03% |
2,310,074
-284,100
| -11% | -$2.42M |
|
663
Coursera
COUR
$1.53B
| $22.7M | 0.03% |
1,938,500
+880,200
| +83% | +$9.56M |
|
664
TAL Education Group
TAL
$6.43B
| $22.7M | 0.03% |
2,024,700
-4,500
| -0.2% | -$48.4K |
|
665
Reliance Steel & Aluminium
RS
$21.7B
| $22.7M | 0.03% |
80,712
+48,300
| +149% | +$14.5M |
|
666
Rush Enterprises Class B
RUSHB
$9.37B
| $22.6M | 0.03% |
394,447
-6,100
| -2% | -$344K |
|
667
InterDigital
IDCC
$8.88B
| $22.6M | 0.03% |
65,600
-31,993
| -33% | -$8.69M |
|
668
California Resources
CRC
$4.69B
| $22.6M | 0.03% |
424,936
-139,100
| -25% | -$6.97M |
|
669
Masco
MAS
$14.7B
| $22.6M | 0.03% |
320,500
-174,300
| -35% | -$12.3M |
|
670
FLEX LNG
FLNG
$1.64B
| $22.5M | 0.03% |
894,204
+282,869
| +46% | +$7.02M |
|
671
Myers Industries
MYE
$1.25B
| $22.5M | 0.03% |
1,328,997
+48,200
| +4% | +$766K |
|
672
Phibro Animal Health
PAHC
$1.38B
| $22.5M | 0.03% |
555,200
-55,600
| -9% | -$1.84M |
|
673
Genpact
G
$5.78B
| $22.3M | 0.03% |
532,000
+23,438
| +5% | +$1.03M |
|
|
HTB
674
HomeTrust Bancshares
HTB
$837M
| $22.3M | 0.03% |
543,715
-5,500
| -1% | -$220K |
|
675
Mercantile Bank Corp
MBWM
$1.06B
| $22.1M | 0.03% |
490,413
+5,100
| +1% | +$242K |
|
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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.