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 | |
|---|---|---|---|---|---|---|
251
Nasdaq
NDAQ
$53.1B
| $68.8M | 0.09% |
778,300
-358,380
| -32% | -$33.2M |
|
252
Buckle
BKE
$2.37B
| $67.8M | 0.09% |
1,156,302
-89,150
| -7% | -$4.82M |
|
253
Bath & Body Works
BBWI
$3.81B
| $67M | 0.09% |
2,602,233
+1,781,900
| +217% | +$52.8M |
|
254
Autodesk
ADSK
$53.1B
| $66.9M | 0.09% |
210,568
+34,100
| +19% | +$10.4M |
|
255
Rocket Companies
RKT
$40.5B
| $66.5M | 0.09% |
3,431,394
+2,581,094
| +304% | +$45M |
|
256
Rubrik
RBRK
$20B
| $66.4M | 0.09% |
807,700
-410,300
| -34% | -$35.3M |
|
257
Interactive Brokers
IBKR
$40.7B
| $66.3M | 0.09% |
963,640
-1,015,300
| -51% | -$63.9M |
|
258
AB InBev
BUD
$159B
| $66.2M | 0.09% |
1,110,174
-91,026
| -8% | -$5.73M |
|
|
MZTI
259
The Marzetti Company
MZTI
$3.15B
| $66.2M | 0.09% |
382,980
-10,200
| -3% | -$1.83M |
|
260
UBS Group
UBS
$176B
| $65.7M | 0.09% |
1,603,191
-874,700
| -35% | -$34M |
|
|
VRNA
261
DELISTED
Verona Pharma
VRNA
| $65.7M | 0.09% |
615,900
+468,500
| +318% | +$48.9M |
|
262
Liberty Global Class A
LBTYA
$3.48B
| $65.7M | 0.09% |
5,732,154
+268,779
| +5% | +$2.96M |
|
|
CUK
263
DELISTED
Carnival PLC
CUK
| $65.5M | 0.09% |
2,478,100
+57,200
| +2% | +$1.58M |
|
264
Chevron
CVX
$386B
| $65M | 0.09% |
418,548
-475,019
| -53% | -$73.6M |
|
|
IPG
265
DELISTED
Interpublic Group of Companies
IPG
| $64.9M | 0.09% |
2,326,500
+185,100
| +9% | +$4.78M |
|
266
Verizon
VZ
$196B
| $64.8M | 0.09% |
1,474,089
+674,726
| +84% | +$29.2M |
|
267
Welltower
WELL
$163B
| $64.4M | 0.09% |
361,663
-57,900
| -14% | -$9.52M |
|
268
RELX
RELX
$61.7B
| $64.4M | 0.09% |
1,348,600
-137,800
| -9% | -$6.82M |
|
269
Ondas Inc
ONDS
$5.56B
| $64.4M | 0.09% |
+8,338,100
| New | +$34.6M |
|
270
APi Group
APG
$18.5B
| $64.3M | 0.08% |
1,871,650
+659,200
| +54% | +$23M |
|
271
W.W. Grainger
GWW
$61.3B
| $63.7M | 0.08% |
66,800
+20,150
| +43% | +$20.2M |
|
272
Teladoc Health
TDOC
$1.24B
| $63.2M | 0.08% |
8,176,842
+855,300
| +12% | +$6.68M |
|
273
State Street SPDR Portfolio Short Term Corporate Bond ETF
SPSB
$10.8B
| $62.8M | 0.08% |
2,072,017
-391,283
| -16% | -$11.8M |
|
|
HOLX
274
DELISTED
Hologic
HOLX
| $62.3M | 0.08% |
923,690
-289,623
| -24% | -$19.2M |
|
275
Brookdale Senior Living
BKD
$3B
| $61.7M | 0.08% |
7,289,320
+311,800
| +4% | +$2.38M |
|
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.