Form 13-F position report

REGENERON PHARMACEUTICALS

Reported by RK Asset Management LLC

REGN CUSIP 75886F107 Manager CIK 0001595686

Reported 12,563 shares, up 2,574 (25.8%) from the prior quarter.

Reported value 12.0%; share count 25.8% vs. the prior quarter.

Added
% of reported 13F value 7.36% This manager · Q1 2025
Shares 12,563 Quarter-end amount reported
Reported value $7,968,000 Fair value at quarter end
Consecutive quarters held 10 Through Q1 2025

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Reported position value by quarter
Date Holding Value
2022-03-31 284000
2022-12-31 6506000
2023-03-31 7323000
2023-06-30 6404000
2023-09-30 7322000
2023-12-31 8255000
2024-03-31 8873000
2024-06-30 9572000
2024-09-30 9559000
2024-12-31 7115000
2025-03-31 7968000
2025-06-30 6616000
2025-09-30 7110000
2025-12-31 9772000

Quarterly position history

How this manager's reported quarter-end position changed over time.

14 quarters
Quarterly reported position history for REGENERON PHARMACEUTICALS held by RK Asset Management LLC.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q4 2025 Added 12,660 +14 (0.1%) 9.22% $9,772,000 2026-01-05
Q3 2025 Added 12,646 +44 (0.3%) 6.46% $7,110,000 2025-10-14
Q2 2025 Added 12,602 +39 (0.3%) 6.38% $6,616,000 2025-07-18
Q1 2025 Added 12,563 +2,574 (25.8%) 7.36% $7,968,000 2025-04-02
Q4 2024 Added 9,989 +896 (9.9%) 5.82% $7,115,000 2025-01-03
Q3 2024 Reduced 9,093 -14 (-0.2%) 7.35% $9,559,000 2024-10-07
Q2 2024 Reduced 9,107 -112 (-1.2%) 8.27% $9,572,000 2024-08-02
Q1 2024 Reduced 9,219 -180 (-1.9%) 7.22% $8,873,000 2024-04-03
Q4 2023 Added 9,399 +502 (5.6%) 6.85% $8,255,000 2024-01-09
Q3 2023 Reduced 8,897 -15 (-0.2%) 6.85% $7,322,000 2023-10-10
Q2 2023 Unchanged 8,912 0 (0.0%) 5.93% $6,404,000 2023-07-06
Q1 2023 Reduced 8,912 -106 (-1.2%) 7.25% $7,323,000 2023-04-03
Q4 2022 Added 9,018 +8,611 (2115.7%) 6.24% $6,506,000 2023-01-03
Q1 2022 New 407 +407 (0.0%) 0.28% $284,000 2022-04-11

Who else reported the position

1445 managers reported REGENERON PHARMACEUTICALS for Q1 2025.

Managers reporting REGENERON PHARMACEUTICALS in Q1 2025.
Manager Activity Shares Change % of reported 13F Reported value Tenure
VANGUARD GROUP INC Added 9,407,891 +121,545 0.11% $5,966,766,709 48 qtrs
BlackRock Inc Added 8,925,880 +194,258 0.12% $5,661,061,035 3 qtrs
FMR LLC Reduced 7,598,584 -600,995 0.31% $4,819,250,174 48 qtrs
JPMorgan Chase & Co Reduced 5,658,197 -1,401,174 0.26% $3,588,599,008 48 qtrs
STATE STREET CORPORATION Reduced 4,789,659 -42,580 0.13% $3,037,745,428 48 qtrs
Capital International Investors Reduced 3,989,132 -747,797 0.5% $2,530,196,274 27 qtrs
GEODE CAPITAL MANAGEMENT LLC Added 2,469,585 +41,955 0.12% $1,561,215,426 48 qtrs
Dodge & Cox Added 2,324,085 +2,769 0.84% $1,474,004,430 14 qtrs
FRANKLIN RESOURCES INC Added 2,276,675 +231,465 0.42% $1,443,935,585 48 qtrs
PRICE T ROWE ASSOCIATES INC MD Added 2,175,026 +89,579 0.17% $1,379,467,000 48 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
March 31, 2025
Filed
April 02, 2025
Filing type
13F-HR
Position type
COM

Voting authority reported

Sole
12,563
Shared
0
None
0

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.