Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$1.17M Buy
6,371
+62
+1% +$11.4K 0.01% 298
2025
Q4
$1.11M Buy
6,309
+190
+3% +$31K 0.01% 306
2025
Q3
$857K Buy
6,119
+450
+8% +$60.8K 0.01% 366
2025
Q2
$712K Buy
5,669
+2,714
+92% +$338K 0.01% 406
2025
Q1
$404K Sell
2,955
-2,110
-42% -$302K ﹤0.01% 555
2024
Q4
$775K Buy
5,065
+2,459
+94% +$415K 0.01% 397
2024
Q3
$505K Sell
2,606
-3,475
-57% -$727K ﹤0.01% 512
2024
Q2
$1.41M Buy
6,081
+4,610
+313% +$1M 0.01% 236
2024
Q1
$317K Sell
1,471
-684
-32% -$160K ﹤0.01% 588
2023
Q4
$558K Buy
2,155
+365
+20% +$89.7K 0.01% 426
2023
Q3
$460K Buy
1,790
+171
+11% +$45.7K 0.01% 460
2023
Q2
$461K Buy
1,619
+19
+1% +$5.66K ﹤0.01% 470
2023
Q1
$445K Sell
1,600
-244
-13% -$67.5K 0.01% 487
2022
Q4
$511K Buy
1,844
+719
+64% +$203K 0.01% 440
2022
Q3
$300K Sell
1,125
-1
-0.1% -$212 ﹤0.01% 535
2022
Q2
$230K Sell
1,126
-602
-35% -$123K ﹤0.01% 638
2022
Q1
$364K Sell
1,728
-159
-8% -$34.6K ﹤0.01% 519
2021
Q4
$453K Sell
1,887
-1,514
-45% -$389K 0.01% 444
2021
Q3
$962K Buy
3,401
+1,298
+62% +$425K 0.01% 239
2021
Q2
$728K Sell
2,103
-182
-8% -$55.1K 0.01% 302
2021
Q1
$639K Buy
2,285
+532
+30% +$143K 0.01% 311
2020
Q4
$429K Sell
1,753
-522
-23% -$135K 0.01% 377
2020
Q3
$645K Buy
2,275
+364
+19% +$102K 0.01% 237
2020
Q2
$511K Sell
1,911
-217
-10% -$65.2K 0.01% 267
2020
Q1
$673K Buy
2,128
+517
+32% +$157K 0.01% 178
2019
Q4
$478K Buy
1,611
+22
+1% +$6.1K 0.01% 301
2019
Q3
$370K Sell
1,589
-721
-31% -$168K 0.01% 355
2019
Q2
$540K Buy
2,310
+406
+21% +$93.7K 0.01% 270
2019
Q1
$450K Sell
1,904
-655
-26% -$206K 0.01% 285
2018
Q4
$770K Buy
2,559
+115
+5% +$36.7K 0.02% 187
2018
Q3
$863K Buy
2,444
+980
+67% +$337K 0.02% 193
2018
Q2
$425K Buy
1,464
+637
+77% +$179K 0.01% 310
2018
Q1
$226K Sell
827
-80
-9% -$24.8K ﹤0.01% 404
2017
Q4
$289K Buy
907
+76
+9% +$24.4K 0.01% 343
2017
Q3
$260K Buy
+831
New +$246K 0.01% 341

Other funds holding BIIB

Greenleaf Trust's BIIB Position: Q1 2026 in Review

Greenleaf Trust increased its Biogen (BIIB) stake by 0.98% in Q1 2026, buying an estimated $11.4K and bringing the position to 6,371 shares worth $1.17M. The position accounts for 0.01% of the portfolio, ranked #298.

Greenleaf Trust first reported a position in BIIB in Q3 2017 and has held it in 35 quarters since. The position peaked at $1.41M in Q2 2024. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Greenleaf Trust held 6,371 shares of Biogen worth $1.17M as of Q1 2026.
  • Greenleaf Trust bought 62 Biogen shares in Q1 2026, an estimated $11.4K.
  • Biogen made up 0.01% of Greenleaf Trust's portfolio in Q1 2026, its #298 holding.
  • Greenleaf Trust first reported a position in Biogen in Q3 2017 and has held it in 35 quarters since.
  • Greenleaf Trust's Biogen position peaked at $1.41M in Q2 2024.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Greenleaf Trust's 13F filing for Q1 2026, filed 27 Apr 2026.