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Pallas Capital Advisors’s Biogen BIIB Stock Holding History

Pallas Capital Advisors’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 		$2.78M Buy
12,859
+896
+7% +$171K 0.09% 179
2026
Q1 		$2.19M Buy
11,963
+180
+2% +$33.2K 0.08% 180
2025
Q4 		$2.07M Buy
11,783
+158
+1% +$25.8K 0.07% 210
2025
Q3 		$1.63M Sell
11,625
-740
-6% -$100K 0.06% 237
2025
Q2 		$1.55M Sell
12,365
-980
-7% -$122K 0.06% 235
2025
Q1 		$1.83M Buy
13,345
+7,694
+136% +$1.1M 0.08% 195
2024
Q4 		$864K Buy
5,651
+3,095
+121% +$522K 0.04% 259
2024
Q3 		$470K Sell
2,556
-45
-2% -$9.41K 0.02% 375
2024
Q2 		$586K Sell
2,601
-58
-2% -$12.6K 0.03% 289
2024
Q1 		$573K Buy
+2,659
New +$623K 0.02% 266
2023
Q4 		– Sell
-2,677
Closed -$635K – 360
2023
Q3 		$635K Sell
2,677
-183
-6% -$48.9K 0.04% 211
2023
Q2 		$796K Sell
2,860
-192
-6% -$57.2K 0.04% 170
2023
Q1 		$894K Sell
3,052
-6
-0.2% -$1.66K 0.08% 154
2022
Q4 		$874K Buy
3,058
+4
+0.1% +$1.13K 0.09% 160
2022
Q3 		$856K Sell
3,054
-151
-5% -$32.1K 0.1% 141
2022
Q2 		$661K Sell
3,205
-75
-2% -$15.3K 0.09% 136
2022
Q1 		$697K Sell
3,280
-223
-6% -$48.5K 0.09% 137
2021
Q4 		$772K Buy
3,503
+136
+4% +$35K 0.09% 144
2021
Q3 		$941K Buy
3,367
+67
+2% +$22K 0.1% 151
2021
Q2 		$1.12M Sell
3,300
-79
-2% -$23.9K 0.16% 110
2021
Q1 		$931K Buy
+3,379
New +$911K 0.21% 83

Other funds holding BIIB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Pallas Capital Advisors's BIIB Position: Q2 2026 in Review

Pallas Capital Advisors increased its Biogen (BIIB) stake by 7.5% in Q2 2026, buying an estimated $171K and bringing the position to 12,859 shares worth $2.78M. The position accounts for 0.09% of the portfolio, ranked #179.

Pallas Capital Advisors first reported a position in BIIB in Q1 2021 and has held it in 21 quarters since. 1,046 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Pallas Capital Advisors held 12,859 shares of Biogen worth $2.78M as of Q2 2026.
  • Pallas Capital Advisors bought 896 Biogen shares in Q2 2026, an estimated $171K.
  • Biogen made up 0.09% of Pallas Capital Advisors's portfolio in Q2 2026, its #179 holding.
  • Pallas Capital Advisors first reported a position in Biogen in Q1 2021 and has held it in 21 quarters since.
  • 1,046 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Pallas Capital Advisors's 13F filing for Q2 2026, filed 7 Aug 2026.