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 | |
|---|---|---|---|---|---|---|
|
UBX
3201
DELISTED
Unity Biotechnology
UBX
| $98K | ﹤0.01% |
94,211
+17,300
| +22% | +$31.2K |
|
|
GRCE
3202
Grace Therapeutics
GRCE
$44.2M
| $96.2K | ﹤0.01% |
42,181
-794
| -2% | -$2.5K |
|
|
VSTA
3203
DELISTED
Vasta Platform
VSTA
| $95.6K | ﹤0.01% |
21,100
-200
| -0.9% | -$593 |
|
3204
Elutia
ELUT
$36.2M
| $95.4K | ﹤0.01% |
37,716
-19,500
| -34% | -$58.9K |
|
3205
Arts-Way Manufacturing Co
ARTW
$13.3M
| $95.2K | ﹤0.01% |
59,874
+15,000
| +33% | +$25.9K |
|
|
RSVR
3206
Reservoir Media
RSVR
$646M
| $94.6K | ﹤0.01% |
12,400
-9,900
| -44% | -$77.6K |
|
3207
BitFuFu
FUFU
$217M
| $93.9K | ﹤0.01% |
+20,500
| New | +$102K |
|
3208
Bridgford Foods
BRID
$57.4M
| $93.6K | ﹤0.01% |
11,500
| – | – |
|
3209
Actinium Pharmaceuticals
ATNM
$30.2M
| $92.7K | ﹤0.01% |
57,600
-132,800
| -70% | -$169K |
|
3210
AYTU BioPharma
AYTU
$25.3M
| $92.2K | ﹤0.01% |
76,823
+1,400
| +2% | +$2.04K |
|
3211
Fathom Holdings
FTHM
$23.1M
| $91.7K | ﹤0.01% |
104,021
+46,721
| +82% | +$53.7K |
|
3212
Castor Maritime
CTRM
$20.2M
| $90.4K | ﹤0.01% |
39,669
| – | – |
|
3213
Broadwind
BWEN
$129M
| $88.7K | ﹤0.01% |
61,200
-48,100
| -44% | -$80.4K |
|
3214
Drilling Tools International
DTI
$86.1M
| $88.3K | ﹤0.01% |
37,240
+8,757
| +31% | +$27.1K |
|
3215
BranchOut Food
BOF
$68.2M
| $87.6K | ﹤0.01% |
35,600
+20,500
| +136% | +$42.1K |
|
3216
SkinHealth Systems
SKIN
$84.2M
| $87.5K | ﹤0.01% |
65,291
+24,900
| +62% | +$38K |
|
3217
CPS Technologies
CPSH
$83M
| $87.4K | ﹤0.01% |
54,958
-31,965
| -37% | -$54.3K |
|
|
TMQ
3218
Trilogy Metals
TMQ
$650M
| $87K | ﹤0.01% |
56,100
-96,652
| -63% | -$133K |
|
3219
Stran & Co
SWAG
$37.1M
| $86.3K | ﹤0.01% |
86,231
+12,847
| +18% | +$12.7K |
|
|
NYXH
3220
Nyxoah
NYXH
$158M
| $85.2K | ﹤0.01% |
12,200
-11,200
| -48% | -$114K |
|
3221
InspireMD
NSPR
$40.3M
| $84.4K | ﹤0.01% |
31,378
+20,978
| +202% | +$59.4K |
|
|
CASI
3222
DELISTED
CASI Pharmaceuticals
CASI
| $84K | ﹤0.01% |
38,900
-500
| -1% | -$1.22K |
|
3223
Perma-Fix Environmental Services
PESI
$412M
| $83.4K | ﹤0.01% |
11,474
-23,322
| -67% | -$210K |
|
|
RBOT
3224
DELISTED
Vicarious Surgical
RBOT
| $82.9K | ﹤0.01% |
12,634
+1,100
| +10% | +$13K |
|
3225
Coda Octopus Group
CODA
$116M
| $81.8K | ﹤0.01% |
13,114
-10,637
| -45% | -$80.5K |
|
Similar funds
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.