Skip to main content

Massmutual Trust Co FSB

SEC CIK
0001103653
Latest filing
Oct 5, 2026

REGN holding history

Regeneron Pharmaceuticals, Inc. in every 13F filed by Massmutual Trust Co FSB, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

REGN overviewAll 13F holders of REGNFull Q3 2026 holdings

Shares (Q3 2026)
9,212
Value
$6.99M
% of portfolio
0.2%
Quarters held
23
Since Q1 2021
Holdings of REGN by Massmutual Trust Co FSB, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q3 20269,212$6.99M0.2%−364−3.8%ReducedHolders
Q2 20269,576$5.97M0.2%−1,424−12.9%ReducedHolders
Q1 202611,000$8.50M0.2%−103−0.9%ReducedHolders
Q4 202511,103$8.57M0.2%+994+9.8%AddedHolders
Q3 202510,109$5.68M0.1%+1,267+14.3%AddedHolders
Q2 20258,842$4.64M0.1%+4,676+112.2%AddedHolders
Q1 20254,166$2.64M0.1%+97+2.4%AddedHolders
Q4 20244,069$2.90M0.1%−470−10.4%ReducedHolders
Q3 20244,539$4.77M0.1%−141−3.0%ReducedHolders
Q2 20244,680$4.92M0.1%+615+15.1%AddedHolders
Q1 20244,065$3.91M0.1%+52+1.3%AddedHolders
Q4 20234,013$3.52M0.1%00.0%UnchangedHolders
Q3 20234,013$3.30M0.1%−87−2.1%ReducedHolders
Q2 20234,100$2.95M0.1%−113−2.7%ReducedHolders
Q1 20234,213$3.46M0.1%+129+3.2%AddedHolders
Q4 20224,084$2.95M0.1%+84+2.1%AddedHolders
Q3 20224,000$2.75M0.1%+102+2.6%AddedHolders
Q2 20223,898$2.30M0.1%+557+16.7%AddedHolders
Q1 20223,341$2.33M0.1%+287+9.4%AddedHolders
Q4 20213,054$1.93M0.1%+3,034+15,170.0%AddedHolders
Q3 202120$12.0K<0.1%00.0%UnchangedHolders
Q2 202120$11.0K<0.1%+16+400.0%AddedHolders
Q1 20214$2.00K<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.