CFB
BIIB icon

Cullen/Frost Bankers’s Biogen BIIB Stock Holding History

Cullen/Frost Bankers’s Portfolio BIIB Stock Details BIIB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$22.9K Buy
106
+6
+6% +$1.15K ﹤0.01% 1030
2026
Q1 		$18.3K Buy
100
+57
+133% +$10.5K ﹤0.01% 1001
2025
Q4 		$7.57K Buy
43
+3
+8% +$490 ﹤0.01% 1149
2025
Q3 		$5.6K Hold
40
– – ﹤0.01% 1148
2025
Q2 		$5.02K Hold
40
– – ﹤0.01% 1093
2025
Q1 		$5.47K Sell
40
-46
-53% -$6.58K ﹤0.01% 1032
2024
Q4 		$13.2K Buy
86
+36
+72% +$6.07K ﹤0.01% 844
2024
Q3 		$9.69K Sell
50
-50
-50% -$10.5K ﹤0.01% 898
2024
Q2 		$23.2K Sell
100
-29
-22% -$6.3K ﹤0.01% 761
2024
Q1 		$27.8K Buy
129
+7
+6% +$1.64K ﹤0.01% 726
2023
Q4 		$31.6K Sell
122
-150
-55% -$36.8K ﹤0.01% 724
2023
Q3 		$69.9K Hold
272
– – ﹤0.01% 665
2023
Q2 		$77.5K Sell
272
-10
-4% -$2.98K ﹤0.01% 660
2023
Q1 		$78.4K Hold
282
– – ﹤0.01% 654
2022
Q4 		$78.1K Sell
282
-158
-36% -$44.6K ﹤0.01% 639
2022
Q3 		$117K Sell
440
-2,136
-83% -$454K ﹤0.01% 570
2022
Q2 		$525K Sell
2,576
-223
-8% -$45.6K 0.01% 372
2022
Q1 		$589K Hold
2,799
– – 0.01% 370
2021
Q4 		$672K Buy
2,799
+180
+7% +$46.3K 0.01% 358
2021
Q3 		$741K Sell
2,619
-161
-6% -$52.8K 0.02% 340
2021
Q2 		$963K Sell
2,780
-101
-4% -$30.6K 0.02% 320
2021
Q1 		$806K Sell
2,881
-34
-1% -$9.17K 0.02% 333
2020
Q4 		$714K Sell
2,915
-526
-15% -$136K 0.02% 322
2020
Q3 		$976K Buy
3,441
+164
+5% +$45.7K 0.02% 276
2020
Q2 		$877K Buy
3,277
+2,710
+478% +$815K 0.02% 289
2020
Q1 		$179K Sell
567
-35
-6% -$10.6K 0.01% 379
2019
Q4 		$179K Sell
602
-1,304
-68% -$362K ﹤0.01% 431
2019
Q3 		$444K Sell
1,906
-121
-6% -$28.2K 0.01% 325
2019
Q2 		$474K Sell
2,027
-285
-12% -$65.8K 0.01% 309
2019
Q1 		$540K Sell
2,312
-30
-1% -$9.45K 0.02% 289
2018
Q4 		$704K Sell
2,342
-1,867
-44% -$596K 0.03% 258
2018
Q3 		$1.49M Sell
4,209
-5,778
-58% -$1.99M 0.05% 214
2018
Q2 		$2.9M Sell
9,987
-4,142
-29% -$1.16M 0.09% 178
2018
Q1 		$3.87M Sell
14,129
-873
-6% -$271K 0.11% 163
2017
Q4 		$4.78M Sell
15,002
-564
-4% -$181K 0.15% 148
2017
Q3 		$4.87M Sell
15,566
-482
-3% -$143K 0.16% 151
2017
Q2 		$4.36M Sell
16,048
-170
-1% -$45K 0.15% 157
2017
Q1 		$4.43M Sell
16,218
-633
-4% -$179K 0.15% 148
2016
Q4 		$4.78M Sell
16,851
-4,845
-22% -$1.44M 0.16% 146
2016
Q3 		$6.79M Sell
21,696
-2,763
-11% -$818K 0.24% 119
2016
Q2 		$5.92M Sell
24,459
-43,756
-64% -$11.5M 0.22% 121
2016
Q1 		$17.8M Buy
68,215
+12,133
+22% +$3.2M 0.66% 60
2015
Q4 		$17.2M Buy
56,082
+7,851
+16% +$2.26M 0.65% 62
2015
Q3 		$14.1M Sell
48,231
-75
-0.2% -$24.8K 0.56% 65
2015
Q2 		$19.5M Buy
48,306
+1,664
+4% +$668K 0.73% 42
2015
Q1 		$19.7M Buy
46,642
+2,077
+5% +$819K 0.74% 40
2014
Q4 		$15.1M Buy
44,565
+1,674
+4% +$542K 0.58% 55
2014
Q3 		$14.2M Buy
42,891
+1,083
+3% +$357K 0.57% 57
2014
Q2 		$13.2M Sell
41,808
-807
-2% -$243K 0.53% 61
2014
Q1 		$13M Buy
42,615
+900
+2% +$286K 0.56% 58
2013
Q4 		$11.7M Buy
41,715
+2,717
+7% +$703K 0.52% 63
2013
Q3 		$9.39M Buy
38,998
+3,564
+10% +$798K 0.46% 75
2013
Q2 		$7.63M Buy
+35,434
New +$7.57M 0.4% 84

Other funds holding BIIB

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return
AIM
Artemis Investment Management Edinburgh, United Kingdom $11.2B AUM 80.72% 1-Year Est. Return

Cullen/Frost Bankers's BIIB Position: Q2 2026 in Review

Cullen/Frost Bankers increased its Biogen (BIIB) stake by 6% in Q2 2026, buying an estimated $1.15K and bringing the position to 106 shares worth $22.9K. The position accounts for ﹤0.01% of the portfolio, ranked #1030.

Cullen/Frost Bankers first reported a position in BIIB in Q2 2013 and has held it in 53 quarters since. The position peaked at $19.7M in Q1 2015. 569 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Cullen/Frost Bankers held 106 shares of Biogen worth $22.9K as of Q2 2026.
  • Cullen/Frost Bankers bought 6 Biogen shares in Q2 2026, an estimated $1.15K.
  • Biogen made up ﹤0.01% of Cullen/Frost Bankers's portfolio in Q2 2026, its #1030 holding.
  • Cullen/Frost Bankers first reported a position in Biogen in Q2 2013 and has held it in 53 quarters since.
  • Cullen/Frost Bankers's Biogen position peaked at $19.7M in Q1 2015.
  • 569 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Cullen/Frost Bankers's 13F filing for Q2 2026, filed 27 Jul 2026.