NASDAQ:REGN | Historical Stock Price | REGENERON PHARMACEUTICALS, INC.

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
1991-04-02 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$3.27$10.74$35.35$116.32$382.72$1,259.251991-04-022026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 2021

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2021-12-31$631.52$631.52353,400
2021-12-30$642.51$642.51306,300
2021-12-29$647.28$647.28413,000
2021-12-28$638.46$638.46327,800
2021-12-27$634.77$634.77443,700
2021-12-23$625.38$625.38398,700
2021-12-22$617.48$617.48737,400
2021-12-21$606.81$606.811,108,900
2021-12-20$603.14$603.14912,100
2021-12-17$619.28$619.281,627,100
2021-12-16$631.74$631.741,241,800
2021-12-15$657.93$657.93842,100
2021-12-14$670.97$670.97730,800
2021-12-13$660.15$660.151,074,800
2021-12-10$669.52$669.52791,100
2021-12-09$665.72$665.72898,200
2021-12-08$654.04$654.04694,800
2021-12-07$635.09$635.09652,500
2021-12-06$625.00$625.00567,500
2021-12-03$635.16$635.16650,400
2021-12-02$634.00$634.00563,800
2021-12-01$630.59$630.59731,800
2021-11-30$636.53$636.531,277,200
2021-11-29$654.40$654.40700,400
2021-11-26$643.35$643.35575,600
2021-11-24$648.18$648.18545,100
2021-11-23$649.32$649.32624,300
2021-11-22$643.64$643.64632,600
2021-11-19$652.68$652.68605,700
2021-11-18$648.51$648.51564,400
2021-11-17$641.83$641.83440,000
2021-11-16$642.75$642.75632,700
2021-11-15$647.73$647.73777,500
2021-11-12$631.20$631.20513,600
2021-11-11$626.64$626.64478,400
2021-11-10$622.20$622.20727,900
2021-11-09$616.31$616.31601,000
2021-11-08$622.78$622.78639,900
2021-11-05$611.54$611.541,768,400
2021-11-04$647.63$647.631,507,000
2021-11-03$652.10$652.10718,800
2021-11-02$638.77$638.77838,400
2021-11-01$639.15$639.15913,700
2021-10-29$639.94$639.94860,400
2021-10-28$625.19$625.191,111,400
2021-10-27$589.60$589.60658,100
2021-10-26$592.15$592.15845,300
2021-10-25$576.20$576.20627,300
2021-10-22$572.36$572.36493,000
2021-10-21$569.37$569.37624,200
2021-10-20$562.71$562.71878,000
2021-10-19$552.11$552.11985,700
2021-10-18$543.48$543.481,216,200
2021-10-15$553.24$553.24838,800
2021-10-14$555.62$555.621,055,800
2021-10-13$547.12$547.12664,200
2021-10-12$544.44$544.44521,600
2021-10-11$546.26$546.26538,600
2021-10-08$550.02$550.02532,300
2021-10-07$552.02$552.02774,300
2021-10-06$546.57$546.57890,100
2021-10-05$550.90$550.90930,100
2021-10-04$555.42$555.42992,900
2021-10-01$570.79$570.791,457,800
2021-09-30$605.18$605.18549,000
2021-09-29$606.70$606.70615,100
2021-09-28$605.00$605.001,240,400
2021-09-27$619.07$619.07783,700
2021-09-24$638.90$638.90654,500
2021-09-23$646.51$646.51537,400
2021-09-22$647.06$647.06561,800
2021-09-21$646.95$646.95440,600
2021-09-20$640.89$640.89666,400
2021-09-17$651.88$651.88761,900
2021-09-16$653.18$653.18539,900
2021-09-15$652.00$652.00883,100
2021-09-14$645.15$645.15602,100
2021-09-13$639.52$639.52798,000
2021-09-10$650.49$650.49747,100
2021-09-09$646.11$646.111,047,700
2021-09-08$669.19$669.19463,100
2021-09-07$668.81$668.81717,500
2021-09-03$679.57$679.57564,600
2021-09-02$675.75$675.75689,300
2021-09-01$680.96$680.96822,100
2021-08-31$673.40$673.40829,500
2021-08-30$677.08$677.08865,300
2021-08-27$663.29$663.29424,600
2021-08-26$665.77$665.77473,300
2021-08-25$669.18$669.18643,500
2021-08-24$669.95$669.95731,500
2021-08-23$667.29$667.29992,900
2021-08-20$663.27$663.271,303,900
2021-08-19$655.63$655.631,284,600
2021-08-18$635.57$635.571,642,600
2021-08-17$647.44$647.441,183,900
2021-08-16$628.60$628.60869,900
2021-08-13$624.79$624.79821,200
2021-08-12$608.00$608.00577,600
2021-08-11$608.45$608.45630,400
2021-08-10$614.98$614.98651,200
2021-08-09$613.94$613.94962,300
2021-08-06$610.86$610.861,135,100
2021-08-05$602.47$602.471,628,400
2021-08-04$580.95$580.951,042,300
2021-08-03$586.51$586.51512,800
2021-08-02$577.13$577.13362,200
2021-07-30$574.61$574.61775,600
2021-07-29$583.13$583.13361,400
2021-07-28$586.41$586.41404,000
2021-07-27$581.01$581.01474,700
2021-07-26$577.78$577.78488,400
2021-07-23$586.35$586.35628,200
2021-07-22$586.88$586.88406,900
2021-07-21$583.72$583.72480,800
2021-07-20$587.24$587.24644,800
2021-07-19$585.23$585.23552,100
2021-07-16$583.24$583.24515,600
2021-07-15$589.32$589.32776,200
2021-07-14$581.06$581.06380,300
2021-07-13$577.01$577.01448,800
2021-07-12$574.03$574.03655,300
2021-07-09$580.40$580.40550,100
2021-07-08$574.92$574.92766,600
2021-07-07$585.90$585.90708,700
2021-07-06$582.25$582.25643,900
2021-07-02$583.64$583.641,073,700
2021-07-01$574.62$574.621,277,400
2021-06-30$558.54$558.54861,800
2021-06-29$545.98$545.98721,500
2021-06-28$542.70$542.701,509,400
2021-06-25$550.55$550.551,912,800
2021-06-24$544.45$544.45790,000
2021-06-23$529.80$529.80636,300
2021-06-22$534.02$534.02655,600
2021-06-21$534.27$534.27678,800
2021-06-18$537.92$537.92914,800
2021-06-17$536.01$536.01846,200
2021-06-16$523.58$523.58914,400
2021-06-15$527.49$527.49547,500
2021-06-14$528.75$528.75497,800
2021-06-11$525.55$525.55622,900
2021-06-10$532.04$532.04934,900
2021-06-09$521.85$521.85783,300
2021-06-08$506.42$506.42963,600
2021-06-07$514.99$514.99868,700
2021-06-04$511.89$511.89785,200
2021-06-03$505.66$505.66445,000
2021-06-02$505.36$505.36679,400
2021-06-01$503.23$503.23617,100
2021-05-28$502.43$502.43542,100
2021-05-27$495.34$495.341,058,800
2021-05-26$497.16$497.16640,700
2021-05-25$498.03$498.03767,500
2021-05-24$500.47$500.47521,900
2021-05-21$506.72$506.72610,400
2021-05-20$513.21$513.21574,900
2021-05-19$510.27$510.27587,400
2021-05-18$516.22$516.22683,300
2021-05-17$523.73$523.73712,200
2021-05-14$516.62$516.62785,600
2021-05-13$517.17$517.17991,400
2021-05-12$507.14$507.14967,700
2021-05-11$501.19$501.19790,700
2021-05-10$502.34$502.341,044,800
2021-05-07$496.75$496.75703,200
2021-05-06$498.68$498.681,545,300
2021-05-05$482.42$482.42842,400
2021-05-04$485.18$485.18764,500
2021-05-03$488.62$488.62645,900
2021-04-30$481.30$481.30796,700
2021-04-29$485.00$485.00574,300
2021-04-28$487.77$487.77654,000
2021-04-27$491.81$491.81474,500
2021-04-26$501.17$501.17830,300
2021-04-23$488.64$488.64819,800
2021-04-22$490.43$490.431,000,500
2021-04-21$506.48$506.48621,300
2021-04-20$504.42$504.42858,800
2021-04-19$499.69$499.69707,800
2021-04-16$502.60$502.601,169,400
2021-04-15$494.64$494.64950,500
2021-04-14$481.16$481.16595,600
2021-04-13$477.04$477.04754,900
2021-04-12$472.80$472.80835,500
2021-04-09$475.17$475.17679,500
2021-04-08$476.36$476.361,245,200
2021-04-07$481.79$481.79722,200
2021-04-06$478.68$478.68900,900
2021-04-05$484.56$484.56949,000
2021-04-01$474.93$474.93763,100
2021-03-31$473.14$473.14767,700
2021-03-30$470.67$470.67610,400
2021-03-29$481.52$481.52771,200
2021-03-26$476.91$476.911,645,500
2021-03-25$463.48$463.481,413,500
2021-03-24$460.32$460.321,053,800
2021-03-23$469.76$469.761,086,400
2021-03-22$483.22$483.22911,700
2021-03-19$473.70$473.701,078,200
2021-03-18$474.68$474.68921,100
2021-03-17$496.01$496.011,101,000
2021-03-16$482.17$482.17698,400
2021-03-15$483.94$483.94728,500
2021-03-12$471.46$471.46552,700
2021-03-11$469.96$469.96744,900
2021-03-10$467.95$467.95724,700
2021-03-09$470.63$470.63868,400
2021-03-08$463.19$463.191,014,300
2021-03-05$461.57$461.571,223,200
2021-03-04$449.38$449.381,093,800
2021-03-03$446.73$446.73898,000
2021-03-02$454.86$454.86759,200
2021-03-01$463.05$463.05856,500
2021-02-26$450.57$450.571,193,500
2021-02-25$453.19$453.191,126,100
2021-02-24$458.60$458.601,103,400
2021-02-23$468.03$468.031,705,600
2021-02-22$460.58$460.581,345,600
2021-02-19$470.37$470.371,129,900
2021-02-18$477.03$477.031,124,300
2021-02-17$481.68$481.681,010,700
2021-02-16$480.71$480.711,363,500
2021-02-12$485.62$485.621,295,600
2021-02-11$490.54$490.541,057,400
2021-02-10$491.22$491.22959,200
2021-02-09$490.68$490.681,056,000
2021-02-08$494.90$494.901,320,400
2021-02-05$498.98$498.981,662,800
2021-02-04$498.84$498.841,394,600
2021-02-03$491.18$491.181,076,700
2021-02-02$499.98$499.98884,500
2021-02-01$508.08$508.08790,600
2021-01-29$503.84$503.841,389,800
2021-01-28$506.27$506.271,050,700
2021-01-27$515.56$515.561,433,500
2021-01-26$544.10$544.10901,700
2021-01-25$548.20$548.20828,400
2021-01-22$537.78$537.78620,600
2021-01-21$535.48$535.48940,100
2021-01-20$542.27$542.27862,700
2021-01-19$533.89$533.89995,400
2021-01-15$517.93$517.93796,900
2021-01-14$517.91$517.91848,600
2021-01-13$511.90$511.901,333,800
2021-01-12$505.75$505.751,264,100
2021-01-11$502.92$502.921,115,300
2021-01-08$498.73$498.731,018,800
2021-01-07$481.20$481.201,126,600
2021-01-06$470.09$470.091,434,700
2021-01-05$483.45$483.45797,700
2021-01-04$482.86$482.86911,100