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 |
Broadcom
AVGO
|
+$513M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$412M |
| 3 |
Meta Platforms (Facebook)
META
|
+$354M |
| 4 |
ServiceNow
NOW
|
+$262M |
| 5 |
American Airlines Group
AAL
|
+$259M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Palantir
PLTR
|
+$571M |
| 2 |
Apple
AAPL
|
+$571M |
| 3 |
Netflix
NFLX
|
+$388M |
| 4 |
NVIDIA
NVDA
|
+$313M |
| 5 |
TSMC
TSM
|
+$211M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 17.32% |
| 2 | Healthcare | 15.28% |
| 3 | Consumer Discretionary | 11.85% |
| 4 | Financials | 11.11% |
| 5 | Industrials | 8.48% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1151
Lifestance Health
LFST
$4.67B
| $7.75M | 0.01% |
1,163,100
+550,300
| +90% | +$4.18M |
|
1152
TechTarget
TTGT
$277M
| $7.74M | 0.01% |
522,600
-20,277
| -4% | -$326K |
|
1153
Valmont Industries
VMI
$9.5B
| $7.73M | 0.01% |
27,100
-30,200
| -53% | -$9.85M |
|
1154
Healthcare Realty
HR
$6.58B
| $7.72M | 0.01% |
457,072
-365,900
| -44% | -$6.08M |
|
|
ML
1155
DELISTED
MoneyLion Inc.
ML
| $7.7M | 0.01% |
88,995
-187,066
| -68% | -$16.2M |
|
1156
Akebia Therapeutics
AKBA
$241M
| $7.69M | 0.01% |
4,005,827
+182,300
| +5% | +$372K |
|
1157
National Vision
EYE
$1.51B
| $7.68M | 0.01% |
601,300
-63,600
| -10% | -$752K |
|
1158
Principal Financial Group
PFG
$24.6B
| $7.68M | 0.01% |
+91,000
| New | +$7.57M |
|
1159
Cousins Properties
CUZ
$4.93B
| $7.66M | 0.01% |
259,631
+175,600
| +209% | +$5.25M |
|
1160
Halozyme
HALO
$11.4B
| $7.66M | 0.01% |
120,010
+93,900
| +360% | +$5.45M |
|
1161
Regional Management Corp
RM
$301M
| $7.66M | 0.01% |
254,237
+25,300
| +11% | +$847K |
|
|
EFOR
1162
Everforth Inc
EFOR
$1.37B
| $7.63M | 0.01% |
121,094
-14,805
| -11% | -$1.14M |
|
1163
Twist Bioscience
TWST
$7.86B
| $7.61M | 0.01% |
193,908
-204,800
| -51% | -$9.22M |
|
1164
Hayward Holdings
HAYW
$3.24B
| $7.6M | 0.01% |
546,147
+483,000
| +765% | +$7.02M |
|
1165
Intapp
INTA
$3.16B
| $7.6M | 0.01% |
130,100
-94,500
| -42% | -$6.23M |
|
|
TIGR
1166
UP Fintech Holding
TIGR
$833M
| $7.59M | 0.01% |
+883,700
| New | +$6.6M |
|
|
CLDT
1167
Chatham Lodging
CLDT
$601M
| $7.59M | 0.01% |
1,063,975
+138,500
| +15% | +$1.15M |
|
1168
Financial Institutions
FISI
$825M
| $7.56M | 0.01% |
302,900
-4,000
| -1% | -$108K |
|
1169
Aurinia Pharmaceuticals
AUPH
$2.02B
| $7.55M | 0.01% |
938,600
+237,700
| +34% | +$1.93M |
|
1170
Voya Financial
VOYA
$9.16B
| $7.52M | 0.01% |
111,000
+12,600
| +13% | +$882K |
|
1171
Clearway Energy Class C
CWEN
$7.02B
| $7.5M | 0.01% |
247,700
+107,800
| +77% | +$2.93M |
|
1172
Global Industrial
GIC
$1.49B
| $7.49M | 0.01% |
334,579
+400
| +0.1% | +$9.56K |
|
|
SWI
1173
DELISTED
SolarWinds Corporation Common Stock
SWI
| $7.49M | 0.01% |
406,200
-69,400
| -15% | -$1.16M |
|
1174
Mueller Water Products
MWA
$3.98B
| $7.49M | 0.01% |
294,500
-95,300
| -24% | -$2.39M |
|
1175
Donegal Group Class A
DGICA
$696M
| $7.48M | 0.01% |
381,011
-48,095
| -11% | -$782K |
|
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Jim Simons's Q1 2025 Portfolio in Review
As of Q1 2025, Jim Simons held 3,989 positions worth $66.1B, down 2.2% from $67.6B the previous quarter. Its ten largest holdings account for 11% of the portfolio.
Jim Simons's Q1 2025 filing shows 456 new, 1,472 increased, 1,441 reduced and 583 closed positions. Its largest new stake was ServiceNow: 1,361,505 shares worth $217M. The largest sale was Palantir, an estimated $571M.
By sector, the portfolio is most concentrated in Technology at 17% of assets, down from 21% a quarter earlier, followed by Healthcare and Consumer Discretionary.
- Jim Simons's largest Q1 2025 buy was ServiceNow: 1,361,505 shares worth $217M.
- Jim Simons added most to Broadcom in Q1 2025, an estimated $513M increase.
- Jim Simons's biggest Q1 2025 reduction was Palantir, cutting an estimated $571M.
- Jim Simons fully exited Nike in Q1 2025, selling an estimated $197M.
- Jim Simons's ten largest holdings make up 11% of its $66.1B portfolio in Q1 2025.
- Jim Simons opened 456 new positions and closed 583 in Q1 2025.
- Jim Simons's portfolio value fell 2.2% quarter-over-quarter to $66.1B.
Based on Renaissance Technologies's 13F filing for Q1 2025, filed 14 May 2025.