Nomura Holdings’s Biogen BIIB Stock Holding History

Nomura Holdings’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	$9.23M	Hold	42,700	–	–	0.01%	566
2026 Q1	$7.83M	Buy	42,700 +26,700	+167%	+$4.92M	0.02%	493
2025 Q4	$2.82M	Sell	16,000 -9,000	-36%	-$1.47M	﹤0.01%	975
2025 Q3	$3.5M	Buy	25,000 +19,000	+317%	+$2.57M	0.01%	914
2025 Q2	$754K	Sell	6,000 -9,000	-60%	-$1.12M	﹤0.01%	1054
2025 Q1	$2.05M	Buy	15,000 +9,000	+150%	+$1.29M	﹤0.01%	1048
2024 Q4	$918K	Buy	+6,000	New	+$1.01M	﹤0.01%	1512
2022 Q1	–	Sell	-1,000	Closed	-$240K	–	1994
2021 Q4	$240K	Buy	+1,000	New	+$257K	﹤0.01%	1771
2018 Q1	–	Sell	-32,500	Closed	-$10.4M	–	1433
2017 Q4	$10.4M	Buy	32,500 +17,500	+117%	+$5.61M	0.02%	440
2017 Q3	$4.71M	Hold	15,000	–	–	0.01%	562
2017 Q2	$4.03M	Sell	15,000 -75,000	-83%	-$19.8M	0.01%	611
2017 Q1	$24.6M	Buy	90,000 +13,000	+17%	+$3.68M	0.06%	139
2016 Q4	$22M	Buy	77,000 +75,000	+3,750%	+$22.2M	0.06%	205
2016 Q3	$620K	Hold	2,000	–	–	﹤0.01%	860
2016 Q2	$480K	Hold	2,000	–	–	﹤0.01%	872
2016 Q1	$515K	Buy	+2,000	New	+$528K	﹤0.01%	870
2015 Q1	–	Sell	-15,800	Closed	-$5.36M	–	1785
2014 Q4	$5.36M	Sell	15,800 -3,000	-16%	-$971K	0.01%	568
2014 Q3	$6.2M	Buy	18,800 +10,500	+127%	+$3.46M	0.02%	612
2014 Q2	$2.66M	Buy	8,300 +8,000	+2,667%	+$2.41M	﹤0.01%	992
2014 Q1	$94K	Buy	+300	New	+$95.2K	﹤0.01%	2517

Other funds holding BIIB

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Nomura Holdings's BIIB Position: Q2 2026 in Review

Nomura Holdings reduced its Biogen (BIIB) stake by 8.5% in Q2 2026, selling an estimated $273K and leaving 15,305 shares worth $3.31M. The position accounts for ﹤0.01% of the portfolio, ranked #925.

Nomura Holdings first reported a position in BIIB in Q2 2013 and has held it in 48 quarters since. The position peaked at $49.5M in Q3 2019. 1,043 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

Nomura Holdings held 15,305 shares of Biogen worth $3.31M as of Q2 2026.
Nomura Holdings sold 1,425 Biogen shares in Q2 2026, an estimated $273K.
Biogen made up ﹤0.01% of Nomura Holdings's portfolio in Q2 2026, its #925 holding.
Nomura Holdings first reported a position in Biogen in Q2 2013 and has held it in 48 quarters since.
Nomura Holdings's Biogen position peaked at $49.5M in Q3 2019.
1,043 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Nomura Holdings's 13F filing for Q2 2026, filed 14 Aug 2026.