Robeco Institutional Asset Management’s Regeneron Pharmaceuticals REGN Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $287M | Buy |
460,602
+111,815
| +32% | +$76.1M | 0.35% | 56 |
|
|
2026
Q1 | $269M | Buy |
348,787
+86,937
| +33% | +$66.6M | 0.38% | 61 |
|
|
2025
Q4 | $202M | Buy |
261,850
+140,966
| +117% | +$95.7M | 0.29% | 81 |
|
|
2025
Q3 | $68M | Buy |
120,884
+73,176
| +153% | +$41.4M | 0.1% | 203 |
|
|
2025
Q2 | $25M | Sell |
47,708
-64,787
| -58% | -$36.2M | 0.04% | 319 |
|
|
2025
Q1 | $71.3M | Sell |
112,495
-16,813
| -13% | -$11.6M | 0.14% | 153 |
|
|
2024
Q4 | $92.1M | Buy |
129,308
+1,130
| +0.9% | +$948K | 0.17% | 121 |
|
|
2024
Q3 | $135M | Buy |
128,178
+1,243
| +1% | +$1.38M | 0.27% | 85 |
|
|
2024
Q2 | $133M | Buy |
126,935
+10,568
| +9% | +$10.2M | 0.29% | 73 |
|
|
2024
Q1 | $112M | Sell |
116,367
-3,924
| -3% | -$3.73M | 0.24% | 94 |
|
|
2023
Q4 | $106M | Buy |
120,291
+4,758
| +4% | +$3.92M | 0.26% | 94 |
|
|
2023
Q3 | $95.1M | Sell |
115,533
-7,312
| -6% | -$5.75M | 0.25% | 96 |
|
|
2023
Q2 | $88.3M | Sell |
122,845
-578
| -0.5% | -$446K | 0.23% | 102 |
|
|
2023
Q1 | $101M | Buy |
123,423
+375
| +0.3% | +$283K | 0.28% | 95 |
|
|
2022
Q4 | $88.8M | Buy |
123,048
+19,598
| +19% | +$14.5M | 0.26% | 99 |
|
|
2022
Q3 | $71.3M | Buy |
103,450
+20,690
| +25% | +$13M | 0.23% | 102 |
|
|
2022
Q2 | $48.9M | Buy |
82,760
+14,984
| +22% | +$9.74M | 0.15% | 144 |
|
|
2022
Q1 | $47.3M | Buy |
67,776
+17,331
| +34% | +$11M | 0.11% | 204 |
|
|
2021
Q4 | $31.9M | Sell |
50,445
-8,193
| -14% | -$5.04M | 0.07% | 275 |
|
|
2021
Q3 | $35.5M | Buy |
58,638
+21,394
| +57% | +$13.3M | 0.08% | 265 |
|
|
2021
Q2 | $20.8M | Sell |
37,244
-75,370
| -67% | -$38.2M | 0.05% | 355 |
|
|
2021
Q1 | $53.3M | Sell |
112,614
-45,859
| -29% | -$22.3M | 0.13% | 188 |
|
|
2020
Q4 | $76.6M | Sell |
158,473
-15,697
| -9% | -$8.47M | 0.2% | 125 |
|
|
2020
Q3 | $97.5M | Buy |
174,170
+19,050
| +12% | +$11.6M | 0.3% | 88 |
|
|
2020
Q2 | $96.7M | Buy |
155,120
+119,756
| +339% | +$68M | 0.33% | 75 |
|
|
2020
Q1 | $17.3M | Buy |
35,364
+22,290
| +170% | +$9.19M | 0.07% | 312 |
|
|
2019
Q4 | $4.91M | Sell |
13,074
-5,122
| -28% | -$1.72M | 0.02% | 602 |
|
|
2019
Q3 | $5.05M | Sell |
18,196
-1,150
| -6% | -$340K | 0.02% | 588 |
|
|
2019
Q2 | $6.06M | Sell |
19,346
-1,955
| -9% | -$651K | 0.02% | 565 |
|
|
2019
Q1 | $8.75M | Buy |
21,301
+7,931
| +59% | +$3.27M | 0.03% | 487 |
|
|
2018
Q4 | $4.98M | Buy |
13,370
+7,806
| +140% | +$2.86M | 0.02% | 538 |
|
|
2018
Q3 | $2.25M | Buy |
5,564
+1,000
| +22% | +$381K | 0.01% | 672 |
|
|
2018
Q2 | $1.57M | Sell |
4,564
-678
| -13% | -$212K | 0.01% | 698 |
|
|
2018
Q1 | $1.81M | Buy |
5,242
+4,204
| +405% | +$1.46M | 0.01% | 678 |
|
|
2017
Q4 | $391K | Hold |
1,038
| – | – | ﹤0.01% | 790 |
|
|
2017
Q3 | $463K | Buy |
1,038
+12
| +1% | +$5.71K | ﹤0.01% | 728 |
|
|
2017
Q2 | $504K | Hold |
1,026
| – | – | ﹤0.01% | 743 |
|
|
2017
Q1 | $398K | Sell |
1,026
-55
| -5% | -$20.4K | ﹤0.01% | 744 |
|
|
2016
Q4 | $396K | Sell |
1,081
-2,302
| -68% | -$875K | ﹤0.01% | 672 |
|
|
2016
Q3 | $1.36M | Sell |
3,383
-2,156
| -39% | -$865K | 0.01% | 579 |
|
|
2016
Q2 | $1.93M | Hold |
5,539
| – | – | 0.01% | 526 |
|
|
2016
Q1 | $2M | Sell |
5,539
-1,262
| -19% | -$520K | 0.02% | 500 |
|
|
2015
Q4 | $3.69M | Buy |
6,801
+1,889
| +38% | +$1.02M | 0.03% | 384 |
|
|
2015
Q3 | $2.29M | Buy |
4,912
+1,865
| +61% | +$1M | 0.02% | 460 |
|
|
2015
Q2 | $1.55M | Buy |
3,047
+650
| +27% | +$317K | 0.01% | 530 |
|
|
2015
Q1 | $1.08M | Buy |
2,397
+334
| +16% | +$142K | 0.01% | 550 |
|
|
2014
Q4 | $846K | Buy |
+2,063
| New | +$811K | 0.01% | 579 |
|
|
2014
Q3 | – | Sell |
-1,266
| Closed | -$358K | – | 778 |
|
|
2014
Q2 | $358K | Buy |
1,266
+650
| +106% | +$193K | ﹤0.01% | 634 |
|
|
2014
Q1 | $185K | Buy |
616
+161
| +35% | +$49.6K | ﹤0.01% | 618 |
|
|
2013
Q4 | $125K | Hold |
455
| – | – | ﹤0.01% | 547 |
|
|
2013
Q3 | $142K | Hold |
455
| – | – | ﹤0.01% | 555 |
|
|
2013
Q2 | $102K | Buy |
+455
| New | +$106K | ﹤0.01% | 553 |
|
Other funds holding REGN
GA
WCM
AIP
AP
HCM
LI
Robeco Institutional Asset Management's REGN Position: Q2 2026 in Review
Robeco Institutional Asset Management increased its Regeneron Pharmaceuticals (REGN) stake by 32% in Q2 2026, buying an estimated $76.1M and bringing the position to 460,602 shares worth $287M. The position accounts for 0.35% of the portfolio, ranked #56.
Robeco Institutional Asset Management first reported a position in REGN in Q2 2013 and has held it in 52 quarters since. 267 funds tracked by Wall St. Rank hold REGN as of Q2 2026.
- Robeco Institutional Asset Management held 460,602 shares of Regeneron Pharmaceuticals worth $287M as of Q2 2026.
- Robeco Institutional Asset Management bought 111,815 Regeneron Pharmaceuticals shares in Q2 2026, an estimated $76.1M.
- Regeneron Pharmaceuticals made up 0.35% of Robeco Institutional Asset Management's portfolio in Q2 2026, its #56 holding.
- Robeco Institutional Asset Management first reported a position in Regeneron Pharmaceuticals in Q2 2013 and has held it in 52 quarters since.
- 267 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q2 2026.
Based on Robeco Institutional Asset Management's 13F filing for Q2 2026, filed 21 Jul 2026.