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 | |
|---|---|---|---|---|---|---|
926
Iovance Biotherapeutics
IOVA
$2.95B
| $11.7M | 0.02% |
+3,511,400
| New | +$18.1M |
|
927
Monarch Casino & Resort
MCRI
$2.2B
| $11.7M | 0.02% |
150,200
+12,200
| +9% | +$1.04M |
|
928
Great Southern Bancorp
GSBC
$888M
| $11.7M | 0.02% |
210,700
-800
| -0.4% | -$46.8K |
|
929
AMN Healthcare
AMN
$1.34B
| $11.6M | 0.02% |
475,810
+353,310
| +288% | +$9.07M |
|
930
Sylvamo
SLVM
$1.55B
| $11.6M | 0.02% |
173,400
+27,800
| +19% | +$2.03M |
|
931
Gaming and Leisure Properties
GLPI
$12.7B
| $11.6M | 0.02% |
228,430
+34,400
| +18% | +$1.69M |
|
932
LendingTree
TREE
$461M
| $11.6M | 0.02% |
231,100
+100
| +0% | +$4.46K |
|
933
LPL Financial
LPLA
$29.5B
| $11.6M | 0.02% |
+35,500
| New | +$12.4M |
|
934
iShares 5-10 Year Investment Grade Corporate Bond ETF
IGIB
$18.6B
| $11.6M | 0.02% |
+220,600
| New | +$11.5M |
|
|
PAMT
935
PAMT Corp
PAMT
$285M
| $11.6M | 0.02% |
954,302
-16,300
| -2% | -$235K |
|
936
Middlesex Water
MSEX
$1.11B
| $11.6M | 0.02% |
180,413
+19,200
| +12% | +$1.04M |
|
937
NRG Energy
NRG
$25.2B
| $11.5M | 0.02% |
120,816
-110,700
| -48% | -$11.2M |
|
938
The Mosaic Company
MOS
$6.92B
| $11.5M | 0.02% |
+426,600
| New | +$11.3M |
|
939
LSB Industries
LXU
$711M
| $11.5M | 0.02% |
1,742,993
-16,400
| -0.9% | -$128K |
|
940
ArcelorMittal
MT
$55.2B
| $11.5M | 0.02% |
397,271
+329,871
| +489% | +$9.1M |
|
|
BRKL
941
DELISTED
Brookline Bancorp
BRKL
| $11.4M | 0.02% |
1,050,313
+56,000
| +6% | +$652K |
|
942
FerroAtlántica
GSM
$818M
| $11.4M | 0.02% |
3,083,494
-434,044
| -12% | -$1.67M |
|
943
RxSight
RXST
$292M
| $11.4M | 0.02% |
451,600
+90,100
| +25% | +$2.68M |
|
|
AHRT
944
AH Realty Trust
AHRT
$506M
| $11.4M | 0.02% |
1,517,509
+254,100
| +20% | +$2.31M |
|
|
BFS
945
Saul Centers
BFS
$865M
| $11.4M | 0.02% |
315,674
+36,000
| +13% | +$1.32M |
|
|
ARIS
946
DELISTED
Aris Water Solutions
ARIS
| $11.4M | 0.02% |
354,983
+21,083
| +6% | +$598K |
|
947
Bentley Systems
BSY
$11B
| $11.3M | 0.02% |
287,500
+12,700
| +5% | +$567K |
|
948
Safety Insurance
SAFT
$1.52B
| $11.3M | 0.02% |
142,900
+6,486
| +5% | +$507K |
|
949
Navigator Holdings
NVGS
$1.27B
| $11.3M | 0.02% |
845,588
+170,300
| +25% | +$2.65M |
|
950
Louisiana-Pacific
LPX
$5.18B
| $11.2M | 0.02% |
121,900
-266,300
| -69% | -$27.8M |
|
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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.