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 | |
|---|---|---|---|---|---|---|
451
US Foods
USFD
$23.8B
| $37.5M | 0.05% |
489,200
-208,100
| -30% | -$16.5M |
|
452
Vanguard Short-Term Inflation-Protected Securities Index Fund
VTIP
$19.8B
| $37M | 0.05% |
730,300
-325,400
| -31% | -$16.4M |
|
453
MetLife
MET
$61.9B
| $36.6M | 0.05% |
444,900
+13,200
| +3% | +$1.04M |
|
454
American Public Education
APEI
$834M
| $36.6M | 0.05% |
928,220
-116,300
| -11% | -$3.69M |
|
455
TechnipFMC
FTI
$30.1B
| $36.6M | 0.05% |
928,400
+490,600
| +112% | +$18M |
|
456
InMode
INMD
$875M
| $36.6M | 0.05% |
2,454,518
+128,000
| +6% | +$1.87M |
|
457
Magna International
MGA
$18.7B
| $36.5M | 0.05% |
770,484
+197,600
| +34% | +$8.71M |
|
458
Mastercard
MA
$497B
| $36.4M | 0.05% |
64,044
-124,421
| -66% | -$71.5M |
|
459
Credo Technology Group
CRDO
$49.4B
| $36.3M | 0.05% |
+249,138
| New | +$30.5M |
|
460
Gaming and Leisure Properties
GLPI
$12.7B
| $36.3M | 0.05% |
778,230
+69,600
| +10% | +$3.28M |
|
|
BCPC
461
Balchem Corp
BCPC
$5.65B
| $36.3M | 0.05% |
241,600
-12,500
| -5% | -$1.97M |
|
462
Denison Mines
DNN
$2.96B
| $36.2M | 0.05% |
13,169,013
+8,016,612
| +156% | +$17.7M |
|
463
ADT
ADT
$5.46B
| $36.2M | 0.05% |
4,155,206
-2,974,700
| -42% | -$25.5M |
|
464
State Street SPDR Bloomberg Investment Grade Floating Rate ETF
FLRN
$2.97B
| $36.2M | 0.05% |
1,171,600
-475,300
| -29% | -$14.6M |
|
465
Nutrien
NTR
$32.1B
| $36.1M | 0.05% |
614,485
+411,674
| +203% | +$24M |
|
466
Freshworks
FRSH
$3.51B
| $36M | 0.05% |
3,059,700
-277,500
| -8% | -$3.74M |
|
467
Star Bulk Carriers
SBLK
$3.22B
| $35.9M | 0.05% |
1,932,105
-8,700
| -0.4% | -$164K |
|
|
TEM
468
Tempus AI
TEM
$9.88B
| $35.9M | 0.05% |
+444,300
| New | +$31.1M |
|
469
Snap
SNAP
$8.95B
| $35.9M | 0.05% |
4,650,300
-2,578,588
| -36% | -$21.4M |
|
470
Hartford Financial Services
HIG
$37.8B
| $35.7M | 0.05% |
+267,400
| New | +$34.3M |
|
|
BELFB
471
Bel Fuse Inc Class B
BELFB
$4.13B
| $35.7M | 0.05% |
252,851
-30,600
| -11% | -$3.9M |
|
472
Kroger
KR
$35.1B
| $35.6M | 0.05% |
527,916
-1,307,335
| -71% | -$91M |
|
473
Crane Co
CR
$12.7B
| $35.4M | 0.05% |
192,400
+10,900
| +6% | +$2.06M |
|
474
Workiva
WK
$4B
| $35.3M | 0.05% |
410,511
-14,300
| -3% | -$1.07M |
|
475
Badger Meter
BMI
$3.8B
| $35.2M | 0.05% |
197,200
+30,400
| +18% | +$5.98M |
|
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.