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 |
NVIDIA
NVDA
|
+$798M |
| 2 |
Netflix
NFLX
|
+$608M |
| 3 |
UnitedHealth
UNH
|
+$517M |
| 4 |
Apple
AAPL
|
+$461M |
| 5 |
GE Vernova
GEV
|
+$296M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Broadcom
AVGO
|
+$527M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$372M |
| 3 |
Meta Platforms (Facebook)
META
|
+$362M |
| 4 |
Advanced Micro Devices
AMD
|
+$328M |
| 5 |
Palantir
PLTR
|
+$327M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 19.57% |
| 2 | Healthcare | 15.8% |
| 3 | Consumer Discretionary | 12.38% |
| 4 | Financials | 11.53% |
| 5 | Industrials | 8.92% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
276
Fortis
FTS
$28.6B
| $60.7M | 0.08% |
1,272,152
-42,800
| -3% | -$2.04M |
|
277
ADT
ADT
$5.44B
| $60.4M | 0.08% |
7,129,906
+1,663,300
| +30% | +$13.6M |
|
|
CHX
278
DELISTED
ChampionX
CHX
| $59.9M | 0.08% |
2,412,616
+1,017,500
| +73% | +$25.6M |
|
|
EMBJ
279
Embraer S.A. ADS
EMBJ
$12.7B
| $59.7M | 0.08% |
1,049,300
-405,100
| -28% | -$19.1M |
|
280
iShares National Muni Bond ETF
MUB
$45.8B
| $59.6M | 0.08% |
570,300
+306,100
| +116% | +$31.8M |
|
281
Herbalife
HLF
$1.23B
| $59.5M | 0.08% |
6,904,068
-152,800
| -2% | -$1.13M |
|
282
Schwab Short-Term US Treasury ETF
SCHO
$12.9B
| $59.3M | 0.08% |
2,432,329
-1,946,347
| -44% | -$47.3M |
|
283
iShares 1-5 Year Investment Grade Corporate Bond ETF
IGSB
$23.3B
| $59.1M | 0.08% |
1,120,100
-859,500
| -43% | -$44.9M |
|
284
Canadian National Railway
CNI
$76.4B
| $58.9M | 0.08% |
565,900
-7,800
| -1% | -$794K |
|
285
Tyson Foods
TSN
$19.9B
| $58.4M | 0.08% |
1,043,300
-89,200
| -8% | -$5.13M |
|
286
FuboTV Inc
FUBO
$293M
| $58.3M | 0.08% |
1,259,342
+629,075
| +100% | +$23.5M |
|
287
Ulta Beauty
ULTA
$23.3B
| $58.3M | 0.08% |
+124,600
| New | +$51.5M |
|
288
Atour Lifestyle Holdings
ATAT
$4.63B
| $58.2M | 0.08% |
1,789,768
+472,200
| +36% | +$13.4M |
|
289
Infosys
INFY
$51B
| $58.1M | 0.08% |
3,137,176
+1,085,976
| +53% | +$19.4M |
|
290
Coca-Cola Consolidated
COKE
$12.1B
| $57.7M | 0.08% |
517,170
+78,900
| +18% | +$9.53M |
|
291
ODDITY Tech
ODD
$576M
| $57.4M | 0.08% |
761,200
+618,800
| +435% | +$37.7M |
|
292
ADMA Biologics
ADMA
$2.22B
| $57.3M | 0.08% |
3,146,053
-402,935
| -11% | -$8.22M |
|
293
Pacira BioSciences
PCRX
$972M
| $57.3M | 0.08% |
2,395,601
+155,000
| +7% | +$3.91M |
|
294
Genmab
GMAB
$19.2B
| $57.2M | 0.08% |
2,766,750
+504,400
| +22% | +$10.4M |
|
295
Lennar Class A
LEN
$21.1B
| $57.1M | 0.08% |
515,833
-423,500
| -45% | -$45.9M |
|
296
FirstCash
FCFS
$9.04B
| $57M | 0.08% |
422,031
+108,600
| +35% | +$13.9M |
|
297
UFP Technologies
UFPT
$2.49B
| $57M | 0.08% |
233,259
-26,400
| -10% | -$5.94M |
|
298
BellRing Brands
BRBR
$1.34B
| $56.9M | 0.08% |
981,751
-863,168
| -47% | -$57.6M |
|
299
Nextpower Inc
NXT
$15.9B
| $56.6M | 0.08% |
+1,040,856
| New | +$52.2M |
|
300
Buckle
BKE
$2.37B
| $56.5M | 0.08% |
1,245,452
-97,400
| -7% | -$3.85M |
|
Similar funds
Jim Simons's Q2 2025 Portfolio in Review
As of Q2 2025, Jim Simons held 4,018 positions worth $75.2B, up 14% from $66.1B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Jim Simons's Q2 2025 filing shows 612 new, 1,577 increased, 1,314 reduced and 496 closed positions. Its largest new stake was UnitedHealth: 1,352,129 shares worth $422M. The largest sale was Broadcom, an estimated $527M.
By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 17% a quarter earlier, followed by Healthcare and Consumer Discretionary.
- Jim Simons's largest Q2 2025 buy was UnitedHealth: 1,352,129 shares worth $422M.
- Jim Simons added most to NVIDIA in Q2 2025, an estimated $798M increase.
- Jim Simons's biggest Q2 2025 reduction was Broadcom, cutting an estimated $527M.
- Jim Simons fully exited Advanced Micro Devices in Q2 2025, selling an estimated $328M.
- Jim Simons's ten largest holdings make up 12% of its $75.2B portfolio in Q2 2025.
- Jim Simons opened 612 new positions and closed 496 in Q2 2025.
- Jim Simons's portfolio value rose 14% quarter-over-quarter to $75.2B.
Based on Renaissance Technologies's 13F filing for Q2 2025, filed 13 Aug 2025.