Latest Institutional Transactions on Biogen Inc. (BIIB)
This table provides information on the latest institutional transactions involving Biogen Inc. (BIIB) stock. The table includes the name of the institution, the type of operation (buy or sell), whether options were involved, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the transaction has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Aug 14, 2025
Q2 2025
|
Howard Hughes Medical Institute
Chevy Chase, MD |
BUY
|
- |
31New |
$3.51K - $4.2K
|
31
$5.19K
|
|
|
Aug 14, 2025
Q2 2025
|
Axa S.A.
Paris, I0 |
SELL
|
- |
-45.4K- 29.48% |
$5.15M - $6.15M
|
109K
$18.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Fieldview Capital Management, LLC
Niles, MI |
BUY
|
- |
8.84KNew |
$1M - $1.2M
|
8.84K
$1.48M
|
|
|
Aug 14, 2025
Q2 2025
|
Drw Securities, LLC
Chicago, IL |
BUY
|
- |
2.58KNew |
$292K - $349K
|
2.58K
$432K
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Oconnor LLC
Chicago, IL |
BUY
|
CALL |
20KNew |
$2.27M - $2.71M
|
20K
$3.35M
|
|
|
Aug 14, 2025
Q2 2025
|
Janus Henderson Group PLC
London, X0 |
SELL
|
- |
-2.57K- 12.33% |
$291K - $348K
|
18.3K
$3.06M
|
|
|
Aug 14, 2025
Q2 2025
|
Engineers Gate Manager LP
New York, NY |
SELL
|
- |
-44K- 57.11% |
$4.98M - $5.95M
|
33K
$5.53M
|
|
|
Aug 14, 2025
Q2 2025
|
Headlands Technologies LLC
Chicago, IL |
SELL
|
- |
-1.98K- 7.99% |
$224K - $268K
|
22.8K
$3.82M
|
|
|
Aug 14, 2025
Q2 2025
|
Bank Julius Baer & Co. Ltd, Zurich
|
BUY
|
- |
5+ 14.29% |
$567 - $677
|
40
$6.7K
|
|
|
Aug 14, 2025
Q2 2025
|
Investment House LLC
Las Vegas, NV |
SELL
|
- |
-1.49K- 46.26% |
$169K - $202K
|
1.73K
$290K
|
|
|
Aug 14, 2025
Q2 2025
|
Optiver Holding B.V.
Amsterdam, P7 |
BUY
|
- |
16.6KNew |
$1.88M - $2.24M
|
16.6K
$2.77M
|
|
|
Aug 14, 2025
Q2 2025
|
Sectoral Asset Management Inc
Montreal, A8 |
SELL
|
- |
-480- 16.81% |
$54.4K - $65K
|
2.38K
$398K
|
|
|
Aug 14, 2025
Q2 2025
|
Utah Retirement Systems
Salt Lake City, UT |
SELL
|
- |
-119- 0.49% |
$13.5K - $16.1K
|
24K
$4.02M
|
|
|
Aug 14, 2025
Q2 2025
|
Quarry LP
New York, NY |
SELL
|
- |
-1.07K- 28.6% |
$122K - $146K
|
2.68K
$449K
|
|
|
Aug 14, 2025
Q2 2025
|
Bnp Paribas
New York, NY |
SELL
|
- |
-70- 8.01% |
$7.94K - $9.48K
|
804
$135K
|
|
|
Aug 14, 2025
Q2 2025
|
Ep Wealth Advisors, LLC
Torrance, CA |
BUY
|
- |
230+ 5.25% |
$26.1K - $31.2K
|
4.61K
$773K
|
|
|
Aug 14, 2025
Q2 2025
|
Ikarian Capital, LLC
Dallas, TX |
BUY
|
- |
21.5KNew |
$2.44M - $2.92M
|
21.5K
$3.61M
|
|
|
Aug 14, 2025
Q2 2025
|
Cibc World Markets Corp
New York, NY |
BUY
|
- |
11.3K+ 63.84% |
$1.28M - $1.52M
|
28.9K
$4.84M
|
|
|
Aug 14, 2025
Q2 2025
|
Fuller & Thaler Asset Management, Inc.
San Mateo, CA |
BUY
|
- |
6.23K+ 71.89% |
$706K - $844K
|
14.9K
$2.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Aquatic Capital Management LLC
Chicago, IL |
SELL
|
- |
-32.4K- 92.08% |
$3.68M - $4.4M
|
2.79K
$468K
|
|
|
Aug 14, 2025
Q2 2025
|
Point72 Hong Kong LTD
Hong Kong, K3 |
BUY
|
- |
7.2K+ 185.64% |
$817K - $976K
|
11.1K
$1.86M
|
|
|
Aug 14, 2025
Q2 2025
|
Ancora Advisors, LLC
Cleveland, OH |
BUY
|
- |
2New |
$227 - $271
|
2
$335
|
|
|
Aug 14, 2025
Q2 2025
|
Mbb Public Markets I LLC
Chicago, IL |
SELL
|
- |
-421- 19.58% |
$47.7K - $57K
|
1.73K
$290K
|
|
|
Aug 14, 2025
Q2 2025
|
Sphera Funds Management Ltd.
Tel Aviv, L3 |
BUY
|
- |
60K+ 263.88% |
$6.8M - $8.13M
|
82.7K
$13.9M
|
|
|
Aug 14, 2025
Q2 2025
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
SELL
|
- |
-99.9K- 94.33% |
$11.3M - $13.5M
|
6K
$1.01M
|
|
|
Aug 14, 2025
Q2 2025
|
Sherbrooke Park Advisers LLC
White Plains, NY |
BUY
|
- |
2.51KNew |
$285K - $340K
|
2.51K
$421K
|
|
|
Aug 14, 2025
Q2 2025
|
Atomi Financial Group, Inc.
Irvine, CA |
BUY
|
- |
1.8KNew |
$204K - $244K
|
1.8K
$302K
|
|
|
Aug 14, 2025
Q2 2025
|
Point72 (Difc) LTD
Dubai, C0 |
SELL
|
PUT |
-16.6K- 98.81% |
$1.88M - $2.25M
|
200
$33.5K
|
|
|
Aug 14, 2025
Q2 2025
|
Jain Global LLC
New York, NY |
BUY
|
- |
2.67K+ 11.42% |
$303K - $362K
|
26K
$4.36M
|
|
|
Aug 14, 2025
Q2 2025
|
Principia Wealth Advisory, LLC
Dallas, TX |
BUY
|
- |
13+ 7.65% |
$1.47K - $1.76K
|
183
$30.7K
|
|
|
Aug 14, 2025
Q2 2025
|
Dkrt Investments Corp.
Toronto, |
BUY
|
- |
2.5KNew |
$283K - $339K
|
2.5K
$419K
|
|
|
Aug 14, 2025
Q2 2025
|
Wfa Of San Diego, LLC
|
SELL
|
- |
-78- 23.56% |
$8.84K - $10.6K
|
253
$42.4K
|
|
|
Aug 14, 2025
Q2 2025
|
E Fund Management Co., Ltd.
Guangzhou, F4 |
BUY
|
- |
423+ 3.16% |
$48K - $57.3K
|
13.8K
$2.31M
|
|
|
Aug 13, 2025
Q2 2025
|
Colonial Trust Advisors
Spartanburg, SC |
BUY
|
- |
20New |
$2.27K - $2.71K
|
20
$3.35K
|
|
|
Aug 13, 2025
Q2 2025
|
Colonial Trust CO / Sc
Spartanburg, SC |
SELL
|
- |
-2- 40.0% |
$227 - $271
|
3
$503
|
|
|
Aug 13, 2025
Q2 2025
|
Virtus Investment Advisers, Inc.
Hartford, CT |
BUY
|
- |
1.05K+ 45.35% |
$119K - $142K
|
3.36K
$563K
|
|
|
Aug 13, 2025
Q2 2025
|
Estabrook Capital Management
New York, NY |
SELL
|
- |
-33- 1.62% |
$3.74K - $4.47K
|
2K
$335K
|
|
|
Aug 13, 2025
Q2 2025
|
Edgestream Partners, L.P.
Princeton, NJ |
SELL
|
- |
-686- 4.07% |
$77.8K - $92.9K
|
16.2K
$2.71M
|
|
|
Aug 13, 2025
Q2 2025
|
Dai Ichi Life Insurance Company, LTD
Tokyo, M0 |
SELL
|
- |
-4.7K- 43.85% |
$533K - $637K
|
6.02K
$1.01M
|
|
|
Aug 13, 2025
Q2 2025
|
Congress Wealth Management LLC
Boston, MA |
BUY
|
- |
1.07K+ 35.38% |
$122K - $145K
|
4.11K
$688K
|
|
|
Aug 13, 2025
Q2 2025
|
Geo Wealth Management, LLC
Chicago, IL |
BUY
|
- |
643New |
$72.9K - $87.1K
|
643
$108K
|
|
|
Aug 13, 2025
Q2 2025
|
Parkworth Wealth Management, Inc.
Los Gatos, CA |
BUY
|
- |
6New |
$680 - $813
|
6
$1.01K
|
|
|
Aug 13, 2025
Q2 2025
|
Kilter Group LLC
Rhinebeck, NY |
BUY
|
- |
20New |
$2.27K - $2.71K
|
20
$3.35K
|
|
|
Aug 13, 2025
Q2 2025
|
Kayne Anderson Rudnick Investment Management LLC
Los Angeles, CA |
BUY
|
- |
9New |
$1.02K - $1.22K
|
9
$1.51K
|
|
|
Aug 13, 2025
Q2 2025
|
Hap Trading, LLC
New York, NY |
BUY
|
CALL |
15.1KNew |
$1.71M - $2.05M
|
15.1K
$2.53M
|
|
|
Aug 13, 2025
Q2 2025
|
Myda Advisors LLC
Inwood, NY |
BUY
|
- |
7K+ 233.33% |
$794K - $948K
|
10K
$1.68M
|
|
|
Aug 13, 2025
Q2 2025
|
Myda Advisors LLC
Inwood, NY |
SELL
|
CALL |
-29K- 49.15% |
$3.29M - $3.93M
|
30K
$5.03M
|
|
|
Aug 13, 2025
Q2 2025
|
Twin Peaks Wealth Advisors, LLC
Burlingame, CA |
BUY
|
- |
70New |
$7.94K - $9.48K
|
70
$11.7K
|
|
|
Aug 13, 2025
Q2 2025
|
Uss Investment Management LTD
|
BUY
|
- |
372+ 1.18% |
$42.2K - $50.4K
|
31.9K
$5.34M
|
|
|
Aug 13, 2025
Q2 2025
|
Riggs Asset Managment Co. Inc.
|
BUY
|
- |
4New |
$454 - $542
|
4
$670
|
|