Tudor Investment Corp
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Tudor Investment Corp’s Biogen BIIB Stock Holding History

Tudor Investment Corp’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
2025
Q3 		– Sell
-6,000
Closed -$811K – 3369
2025
Q2 		$754K Sell
6,000
-99,851
-94% -$12.4M ﹤0.01% 2321
2025
Q1 		$14.5M Buy
105,851
+83,848
+381% +$12M 0.05% 314
2024
Q4 		$3.36M Sell
22,003
-31,708
-59% -$5.35M 0.01% 915
2024
Q3 		$10.4M Buy
53,711
+45,043
+520% +$9.42M 0.04% 401
2024
Q2 		$2.01M Sell
8,668
-36,374
-81% -$7.9M 0.01% 1062
2024
Q1 		$9.71M Buy
+45,042
New +$10.5M 0.06% 364
2023
Q1 		– Sell
-4,995
Closed -$1.38M – 2416
2022
Q4 		$1.38M Sell
4,995
-4,548
-48% -$1.28M 0.03% 866
2022
Q3 		$2.55M Buy
9,543
+7,810
+451% +$1.66M 0.06% 433
2022
Q2 		$353K Sell
1,733
-3,259
-65% -$666K 0.01% 1472
2022
Q1 		$1.05M Buy
+4,992
New +$1.09M 0.02% 894
2021
Q4 		– Sell
-8,595
Closed -$2.43M – 2403
2021
Q3 		$2.43M Buy
8,595
+4,606
+115% +$1.51M 0.04% 593
2021
Q2 		$1.38M Buy
+3,989
New +$1.21M 0.03% 721
2021
Q1 		– Sell
-3,438
Closed -$842K – 1561
2020
Q4 		$842K Buy
+3,438
New +$887K 0.02% 750
2020
Q3 		– Sell
-4,820
Closed -$1.29M – 1295
2020
Q2 		$1.29M Buy
4,820
+482
+11% +$145K 0.06% 397
2020
Q1 		$1.37M Buy
4,338
+590
+16% +$179K 0.12% 167
2019
Q4 		$1.11M Sell
3,748
-48,931
-93% -$13.6M 0.05% 466
2019
Q3 		$12.3M Buy
52,679
+19,242
+58% +$4.48M 0.42% 28
2019
Q2 		$7.82M Sell
33,437
-6,874
-17% -$1.59M 0.22% 48
2019
Q1 		$9.53M Buy
40,311
+15,601
+63% +$4.91M 0.39% 32
2018
Q4 		$7.44M Buy
24,710
+6,248
+34% +$1.99M 0.15% 31
2018
Q3 		$6.52M Buy
18,462
+10,871
+143% +$3.74M 0.16% 72
2018
Q2 		$2.2M Buy
7,591
+1,953
+35% +$549K 0.08% 227
2018
Q1 		$1.54M Buy
5,638
+2,284
+68% +$709K 0.05% 220
2017
Q4 		$1.07M Buy
+3,354
New +$1.08M 0.03% 325
2017
Q2 		– Sell
-1,752
Closed -$479K – 1047
2017
Q1 		$479K Sell
1,752
-6,063
-78% -$1.71M 0.01% 713
2016
Q4 		$2.22M Sell
7,815
-117,853
-94% -$34.9M 0.06% 172
2016
Q3 		$39.3M Buy
125,668
+107,545
+593% +$31.9M 0.92% 10
2016
Q2 		$4.38M Buy
18,123
+17,123
+1,712% +$4.51M 0.09% 111
2016
Q1 		$260K Sell
1,000
-3,368
-77% -$890K 0.01% 1371
2015
Q4 		$1.34M Buy
+4,368
New +$1.26M 0.04% 326
2015
Q3 		– Sell
-600
Closed -$242K – 1540
2015
Q2 		$242K Sell
600
-4,280
-88% -$1.72M 0.01% 1232
2015
Q1 		$2.06M Sell
4,880
-22,906
-82% -$9.03M 0.07% 164
2014
Q4 		$9.43M Buy
27,786
+24,725
+808% +$8M 0.33% 44
2014
Q3 		$1.01M Buy
3,061
+2,162
+240% +$713K 0.04% 288
2014
Q2 		$283K Sell
899
-2,400
-73% -$722K 0.01% 867
2014
Q1 		$1.01M Buy
3,299
+1,532
+87% +$486K 0.04% 193
2013
Q4 		$494K Buy
1,767
+267
+18% +$69.1K 0.02% 564
2013
Q3 		$361K Sell
1,500
-2,300
-61% -$515K 0.01% 501
2013
Q2 		$818K Buy
+3,800
New +$812K 0.06% 157

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VPM
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Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
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JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Tudor Investment Corp's BIIB Position: Q3 2025 in Review

Tudor Investment Corp sold out of Biogen (BIIB) in Q3 2025, closing a stake of 6,000 shares — an estimated $811K sold.

Tudor Investment Corp first reported a position in BIIB in Q2 2013 and held it in 39 quarters. The position peaked at $39.3M in Q3 2016. 905 funds tracked by Wall St. Rank hold BIIB as of Q3 2025.

  • Tudor Investment Corp reported no remaining Biogen position as of Q3 2025 after selling out during the quarter.
  • Tudor Investment Corp sold 6,000 Biogen shares in Q3 2025, an estimated $811K.
  • Tudor Investment Corp first reported a position in Biogen in Q2 2013 and held it in 39 quarters.
  • Tudor Investment Corp's Biogen position peaked at $39.3M in Q3 2016.
  • 905 funds tracked by Wall St. Rank held Biogen as of Q3 2025.

Based on Tudor Investment Corp's 13F filing for Q3 2025, filed 14 Nov 2025.