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 | |
|---|---|---|---|---|---|---|
601
Watts Water Technologies
WTS
$12.8B
| $26.5M | 0.04% |
95,000
+7,400
| +8% | +$1.98M |
|
602
Liberty Global Class C
LBTYK
$3.48B
| $26.5M | 0.04% |
2,255,100
-365,815
| -14% | -$4.1M |
|
603
Dutch Bros
BROS
$8.93B
| $26.5M | 0.04% |
506,100
-531,000
| -51% | -$33.6M |
|
604
Moelis & Co
MC
$5.21B
| $26.3M | 0.03% |
369,444
-202,700
| -35% | -$14.5M |
|
605
Banco Bradesco
BBD
$34.3B
| $26.3M | 0.03% |
7,783,295
-7,772,200
| -50% | -$23.5M |
|
606
Navitas Semiconductor
NVTS
$3.57B
| $26.2M | 0.03% |
3,623,900
-463,200
| -11% | -$3.1M |
|
607
Bentley Systems
BSY
$11B
| $26.2M | 0.03% |
508,000
+108,200
| +27% | +$5.93M |
|
608
PagerDuty
PD
$932M
| $25.9M | 0.03% |
1,566,238
+192,500
| +14% | +$3.06M |
|
609
Illinois Tool Works
ITW
$82.9B
| $25.8M | 0.03% |
+98,800
| New | +$25.7M |
|
610
Global Ship Lease
GSL
$1.49B
| $25.7M | 0.03% |
838,550
+78,300
| +10% | +$2.33M |
|
611
Curtiss-Wright
CW
$25.4B
| $25.7M | 0.03% |
47,400
-100
| -0.2% | -$49.3K |
|
612
Lennox International
LII
$14.5B
| $25.6M | 0.03% |
+48,400
| New | +$28.3M |
|
613
Mid-America Apartment Communities
MAA
$15.6B
| $25.6M | 0.03% |
183,349
+12,518
| +7% | +$1.81M |
|
|
ELME
614
Elme Communities
ELME
$144M
| $25.5M | 0.03% |
1,514,571
+219,134
| +17% | +$3.62M |
|
615
Lear
LEA
$8.16B
| $25.5M | 0.03% |
253,332
+36,532
| +17% | +$3.79M |
|
616
JB Hunt Transport Services
JBHT
$26.5B
| $25.4M | 0.03% |
189,544
-84,000
| -31% | -$12.1M |
|
|
SFIX
617
Stitch Fix
SFIX
$487M
| $25.3M | 0.03% |
5,822,958
-36,500
| -0.6% | -$180K |
|
618
Yum China
YUMC
$16.2B
| $25.3M | 0.03% |
589,100
+52,600
| +10% | +$2.39M |
|
619
LendingTree
TREE
$461M
| $25.2M | 0.03% |
390,000
+186,800
| +92% | +$10.8M |
|
620
Public Storage
PSA
$61.4B
| $25.2M | 0.03% |
87,234
-12,300
| -12% | -$3.53M |
|
621
Globant
GLOB
$1.77B
| $25.1M | 0.03% |
+437,900
| New | +$32.2M |
|
622
ANI Pharmaceuticals
ANIP
$1.72B
| $25M | 0.03% |
272,902
+144,515
| +113% | +$11.8M |
|
623
C.H. Robinson
CHRW
$17.5B
| $25M | 0.03% |
188,508
-334,800
| -64% | -$39.3M |
|
624
State Street SPDR Bloomberg Short Term High Yield Bond ETF
SJNK
$4.81B
| $25M | 0.03% |
974,804
-349,496
| -26% | -$8.89M |
|
625
Hackett Group
HCKT
$277M
| $24.9M | 0.03% |
1,312,146
+155,900
| +13% | +$3.41M |
|
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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.