iShares Biotechnology ETF (IBB)

NASDAQ: IBB · Real-Time Price · USD

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121.91

-0.94 (-0.77%)

At close: May 28, 2025, 4:00 PM

123.23

+1.32 (1.08%)

After-hours: May 28, 2025, 7:15 PM EDT

IBB Holdings List

As of May 27, 2025

No.	Symbol	Name	% Weight	Shares
1	GILD	Gilead Sciences, Inc.	8.61%	4,132,844
2	VRTX	Vertex Pharmaceuticals Incorporated	8.39%	984,631
3	AMGN	Amgen Inc.	8.19%	1,533,554
4	REGN	Regeneron Pharmaceuticals, Inc.	7.47%	647,833
5	ALNY	Alnylam Pharmaceuticals, Inc.	4.22%	760,846
6	IQV	IQVIA Holdings Inc.	2.88%	1,071,556
7	ARGX	argenx SE	2.87%	258,967
8	MTD	Mettler-Toledo International Inc.	2.81%	126,538
9	WAT	Waters Corporation	2.49%	364,259
10	NTRA	Natera, Inc.	2.36%	785,128
11	BIIB	Biogen Inc.	2.19%	894,945
12	BNTX	BioNTech SE	1.89%	1,002,939
13	UTHR	United Therapeutics Corporation	1.63%	270,801
14	ONC	BeiGene, Ltd.	1.54%	337,769
15	ILMN	Illumina, Inc.	1.53%	968,731
16	INCY	Incyte Corporation	1.46%	1,172,027
17	INSM	Insmed Incorporated	1.41%	1,086,411
18	NBIX	Neurocrine Biosciences, Inc.	1.39%	595,120
19	EXEL	Exelixis, Inc.	1.38%	1,674,241
20	BMRN	BioMarin Pharmaceutical Inc.	1.28%	1,157,487
21	GMAB	Genmab A/S	1.15%	2,836,680
22	MRNA	Moderna, Inc.	1.07%	2,100,348
23	TECH	Bio-Techne Corporation	0.89%	960,739
24	MEDP	Medpace Holdings, Inc.	0.88%	153,595
25	CRL	Charles River Laboratories International, Inc.	0.82%	310,849
26	HALO	Halozyme Therapeutics, Inc.	0.78%	748,480
27	ASND	Ascendis Pharma A/S	0.78%	258,239
28	RGEN	Repligen Corporation	0.76%	324,951
29	BPMC	Blueprint Medicines Corporation	0.74%	385,575
30	RVMD	Revolution Medicines, Inc.	0.70%	993,004
31	IONS	Ionis Pharmaceuticals, Inc.	0.61%	950,872
32	TEM	Tempus AI, Inc.	0.60%	478,881
33	MDGL	Madrigal Pharmaceuticals, Inc.	0.59%	114,406
34	BBIO	BridgeBio Pharma, Inc.	0.58%	917,835
35	ROIV	Roivant Sciences Ltd.	0.56%	2,718,362
36	ALKS	Alkermes plc	0.56%	974,389
37	ADMA	ADMA Biologics, Inc.	0.53%	1,399,846
38	AXSM	Axsome Therapeutics, Inc.	0.49%	246,226
39	PCVX	Vaxcyte, Inc.	0.47%	768,935
40	VRNA	Verona Pharma plc	0.45%	312,321
41	BRKR	Bruker Corporation	0.45%	633,461
42	PTCT	PTC Therapeutics, Inc.	0.43%	472,734
43	ACAD	ACADIA Pharmaceuticals Inc.	0.43%	1,016,056
44	LEGN	Legend Biotech Corporation	0.43%	779,706
45	CYTK	Cytokinetics, Incorporated	0.41%	708,300
46	SRPT	Sarepta Therapeutics, Inc.	0.40%	552,515
47	RNA	Avidity Biosciences, Inc.	0.40%	681,942
48	RYTM	Rhythm Pharmaceuticals, Inc.	0.39%	345,177
49	SWTX	SpringWorks Therapeutics, Inc.	0.38%	430,953
50	NUVL	Nuvalent, Inc.	0.38%	272,239
51	MRUS	Merus N.V.	0.37%	376,139
52	KRYS	Krystal Biotech, Inc.	0.36%	151,080
53	CRSP	CRISPR Therapeutics AG	0.36%	505,494
54	AKRO	Akero Therapeutics, Inc.	0.36%	408,960
55	RARE	Ultragenyx Pharmaceutical Inc.	0.36%	530,957
56	SMMT	Summit Therapeutics Inc.	0.35%	705,641
57	PTGX	Protagonist Therapeutics, Inc.	0.31%	354,847
58	CRNX	Crinetics Pharmaceuticals, Inc.	0.30%	531,968
59	ACLX	Arcellx, Inc.	0.29%	247,480
60	ZLAB	Zai Lab Limited	0.28%	464,839
61	SRRK	Scholar Rock Holding Corporation	0.26%	448,131
62	XENE	Xenon Pharmaceuticals Inc.	0.26%	455,577
63	VCYT	Veracyte, Inc.	0.25%	470,074
64	BCRX	BioCryst Pharmaceuticals, Inc.	0.25%	1,210,305
65	VCEL	Vericel Corporation	0.24%	303,513
66	NVCR	NovoCure Limited	0.22%	606,840
67	FOLD	Amicus Therapeutics, Inc.	0.22%	1,820,786
68	APLS	Apellis Pharmaceuticals, Inc.	0.21%	635,715
69	MIRM	Mirum Pharmaceuticals, Inc.	0.20%	239,009
70	AGIO	Agios Pharmaceuticals, Inc.	0.20%	338,966
71	DNLI	Denali Therapeutics Inc.	0.19%	771,824
72	TWST	Twist Bioscience Corporation	0.19%	346,023
73	ARWR	Arrowhead Pharmaceuticals, Inc.	0.19%	644,343
74	GRFS	Grifols, S.A.	0.19%	1,180,451
75	IDYA	IDEAYA Biosciences, Inc.	0.18%	495,794
76	KYMR	Kymera Therapeutics, Inc.	0.18%	331,875
77	BEAM	Beam Therapeutics Inc.	0.18%	540,529
78	ARQT	Arcutis Biotherapeutics, Inc.	0.17%	641,180
79	TARS	Tarsus Pharmaceuticals, Inc.	0.16%	203,201
80	BHVN	Biohaven Ltd.	0.16%	542,457
81	TVTX	Travere Therapeutics, Inc.	0.16%	536,463
82	APGE	Apogee Therapeutics, Inc.	0.16%	221,849
83	ADPT	Adaptive Biotechnologies Corporation	0.15%	876,317
84	RXRX	Recursion Pharmaceuticals, Inc.	0.15%	1,823,506
85	ETNB	89bio, Inc.	0.15%	851,831
86	MNKD	MannKind Corporation	0.15%	1,809,735
87	ALVO	Alvotech	0.15%	670,070
88	GRAL	GRAIL, Inc.	0.14%	172,177
89	CGON	CG Oncology, Inc.	0.14%	283,218
90	JANX	Janux Therapeutics, Inc.	0.14%	295,261
91	DVAX	Dynavax Technologies Corporation	0.14%	728,004
92	STVN	Stevanato Group S.p.A.	0.13%	303,739
93	NVAX	Novavax, Inc.	0.13%	900,967
94	EWTX	Edgewise Therapeutics, Inc.	0.12%	454,619
95	AUPH	Aurinia Pharmaceuticals Inc.	0.12%	758,402
96	EVO	Evotec SE	0.12%	1,443,109
97	IMVT	Immunovant, Inc.	0.12%	425,793
98	IMCR	Immunocore Holdings plc	0.12%	189,217
99	DYN	Dyne Therapeutics, Inc.	0.12%	515,922
100	IRON	Disc Medicine, Inc.	0.11%	130,282
101	MESO	Mesoblast Limited	0.11%	543,899
102	GLPG	Galapagos NV	0.11%	204,533
103	NAMS	NewAmsterdam Pharma Company N.V.	0.11%	347,867
104	VERA	Vera Therapeutics, Inc.	0.11%	298,331
105	NTLA	Intellia Therapeutics, Inc.	0.11%	600,271
106	GPCR	Structure Therapeutics Inc.	0.11%	233,672
107	GERN	Geron Corporation	0.10%	3,670,660
108	CDNA	CareDx, Inc	0.10%	308,475
109	XTSLA	BLK CSH FND TREASURY SL AGENCY	0.10%	5,423,889
110	TXG	10x Genomics, Inc.	0.10%	622,446
111	SNDX	Syndax Pharmaceuticals, Inc.	0.10%	512,645
112	SYRE	Spyre Therapeutics, Inc.	0.09%	313,961
113	CRMD	CorMedix Inc.	0.09%	367,763
114	SPRY	ARS Pharmaceuticals, Inc.	0.09%	314,942
115	ZYME	Zymeworks Inc.	0.09%	409,016
116	QURE	uniQure N.V.	0.09%	292,962
117	NRIX	Nurix Therapeutics, Inc.	0.09%	456,605
118	WVE	Wave Life Sciences Ltd.	0.09%	749,889
119	CNTA	Centessa Pharmaceuticals plc	0.08%	341,887
120	LENZ	LENZ Therapeutics, Inc.	0.08%	139,180
121	PRAX	Praxis Precision Medicines, Inc.	0.07%	105,925
122	AVXL	Anavex Life Sciences Corp.	0.07%	506,324
123	MLYS	Mineralys Therapeutics, Inc.	0.07%	227,870
124	ANAB	AnaptysBio, Inc.	0.07%	174,232
125	USD	USD CASH	0.07%	3,455,349
126	RCUS	Arcus Biosciences, Inc.	0.06%	361,827
127	REPL	Replimune Group, Inc.	0.06%	379,600
128	XNCR	Xencor, Inc.	0.06%	407,673
129	NUVB	Nuvation Bio Inc.	0.06%	1,402,111
130	ABUS	Arbutus Biopharma Corporation	0.06%	906,481
131	ELVN	Enliven Therapeutics, Inc.	0.06%	193,966
132	KROS	Keros Therapeutics, Inc.	0.06%	204,360
133	DAWN	Day One Biopharmaceuticals, Inc.	0.05%	456,363
134	COGT	Cogent Biosciences, Inc.	0.05%	584,592
135	IOVA	Iovance Biotherapeutics, Inc.	0.05%	1,632,004
136	ZVRA	Zevra Therapeutics, Inc.	0.05%	327,190
137	ABCL	AbCellera Biologics Inc.	0.05%	1,382,285
138	CSTL	Castle Biosciences, Inc.	0.05%	170,416
139	KALV	KalVista Pharmaceuticals, Inc.	0.05%	237,019
140	ALT	Altimmune, Inc.	0.05%	473,821
141	TBPH	Theravance Biopharma, Inc.	0.05%	281,146
142	ETR: 5CV	CureVac N.V.	0.05%	585,342
143	RGNX	REGENXBIO Inc.	0.05%	278,955
144	VIR	Vir Biotechnology, Inc.	0.05%	538,471
145	KURA	Kura Oncology, Inc.	0.05%	447,165
146	OPK	OPKO Health, Inc.	0.05%	1,903,711
147	TSHA	Taysha Gene Therapies, Inc.	0.05%	955,787
148	ARVN	Arvinas, Inc.	0.05%	370,608
149	AVBP	ArriVent BioPharma, Inc.	0.05%	119,780
150	FLGT	Fulgent Genetics, Inc.	0.05%	119,955
151	STOK	Stoke Therapeutics, Inc.	0.04%	255,889
152	LAB	Standard BioTools Inc.	0.04%	2,234,255
153	FTRE	Fortrea Holdings Inc.	0.04%	548,917
154	RLAY	Relay Therapeutics, Inc.	0.04%	793,756
155	MYGN	Myriad Genetics, Inc.	0.04%	538,051
156	SAGE	Sage Therapeutics, Inc.	0.04%	335,045
157	RIGL	Rigel Pharmaceuticals, Inc.	0.04%	106,880
158	EBS	Emergent BioSolutions Inc.	0.04%	331,452
159	ORKA	Oruka Therapeutics, Inc.	0.04%	179,548
160	TRVI	Trevi Therapeutics, Inc.	0.04%	328,760
161	HUMA	Humacyte, Inc.	0.04%	763,624
162	CTKB	Cytek Biosciences, Inc.	0.04%	722,068
163	AMLX	Amylyx Pharmaceuticals, Inc.	0.03%	377,264
164	ARCT	Arcturus Therapeutics Holdings Inc.	0.03%	147,536
165	ABSI	Absci Corporation	0.03%	645,081
166	TYRA	Tyra Biosciences, Inc.	0.03%	198,250
167	VERV	Verve Therapeutics, Inc.	0.03%	401,092
168	OLMA	Olema Pharmaceuticals, Inc.	0.03%	331,086
169	CGEM	Cullinan Therapeutics, Inc.	0.03%	217,759
170	AURA	Aura Biosciences, Inc.	0.03%	278,671
171	MGTX	MeiraGTx Holdings plc	0.03%	327,059
172	AUTL	Autolus Therapeutics plc	0.03%	1,056,679
173	ITOS	iTeos Therapeutics, Inc.	0.03%	192,168
174	ALMS	Alumis Inc.	0.03%	366,134
175	CMPS	COMPASS Pathways plc	0.03%	380,249
176	MRVI	Maravai LifeSciences Holdings, Inc.	0.03%	714,427
177	DNA	Ginkgo Bioworks Holdings, Inc.	0.03%	224,207
178	SANA	Sana Biotechnology, Inc.	0.03%	753,013
179	TRML	Tourmaline Bio, Inc.	0.03%	97,036
180	ORIC	ORIC Pharmaceuticals, Inc.	0.03%	259,720
181	VNDA	Vanda Pharmaceuticals Inc.	0.03%	340,446
182	BCYC	Bicycle Therapeutics plc	0.03%	178,884
183	RCKT	Rocket Pharmaceuticals, Inc.	0.03%	609,335
184	MXCT	MaxCyte, Inc.	0.03%	590,009
185	TECX	Tectonic Therapeutic, Inc.	0.03%	65,050
186	PGEN	Precigen, Inc.	0.03%	986,283
187	IBRX	ImmunityBio, Inc.	0.03%	537,890
188	PACB	Pacific Biosciences of California, Inc.	0.03%	1,495,172
189	AVIR	Atea Pharmaceuticals, Inc.	0.03%	445,873
190	SLDB	Solid Biosciences Inc.	0.02%	412,558
191	PSNL	Personalis, Inc.	0.02%	266,028
192	CDXS	Codexis, Inc.	0.02%	488,307
193	NGNE	Neurogene Inc.	0.02%	72,243
194	IMMP	Immutep Limited	0.02%	615,100
195	PRTA	Prothena Corporation plc	0.02%	263,092
196	TERN	Terns Pharmaceuticals, Inc.	0.02%	385,059
197	ATXS	Astria Therapeutics, Inc.	0.02%	283,017
198	ADCT	ADC Therapeutics SA	0.02%	454,319
199	GLUE	Monte Rosa Therapeutics, Inc.	0.02%	278,456
200	ANNX	Annexon, Inc.	0.02%	561,431
201	ERAS	Erasca, Inc.	0.02%	990,625
202	SVRA	Savara Inc.	0.02%	548,876
203	RAPP	Rapport Therapeutics, Inc.	0.02%	105,927
204	CRVS	Corvus Pharmaceuticals, Inc.	0.02%	283,479
205	TRDA	Entrada Therapeutics, Inc.	0.02%	134,644
206	QTRX	Quanterix Corporation	0.02%	203,686
207	CYBN	Cybin Inc.	0.02%	118,632
208	INZY	Inozyme Pharma, Inc.	0.02%	246,911
209	PHAT	Phathom Pharmaceuticals, Inc.	0.02%	230,853
210	YMAB	Y-mAbs Therapeutics, Inc.	0.02%	211,280
211	ALLO	Allogene Therapeutics, Inc.	0.02%	817,492
212	EDIT	Editas Medicine, Inc.	0.02%	529,691
213	URGN	UroGen Pharma Ltd.	0.02%	217,213
214	SLN	Silence Therapeutics plc	0.02%	169,838
215	FDMT	4D Molecular Therapeutics, Inc.	0.02%	239,838
216	INBX	Inhibrx Biosciences, Inc.	0.02%	60,273
217	FATE	Fate Therapeutics, Inc.	0.01%	627,887
218	VYGR	Voyager Therapeutics, Inc.	0.01%	270,344
219	CRGX	CARGO Therapeutics, Inc.	0.01%	181,828
220	DSGN	Design Therapeutics, Inc.	0.01%	190,126
221	TNGX	Tango Therapeutics, Inc.	0.01%	358,297
222	CATX	Perspective Therapeutics, Inc.	0.01%	298,850
223	SGAFT	CASH COLLATERAL USD SGAFT	0.01%	714,000
224	ENTA	Enanta Pharmaceuticals, Inc.	0.01%	120,728
225	FHTX	Foghorn Therapeutics Inc.	0.01%	171,310
226	THRD	Third Harmonic Bio, Inc.	0.01%	128,730
227	ACIU	AC Immune SA	0.01%	368,878
228	ALEC	Alector, Inc.	0.01%	475,487
229	IRWD	Ironwood Pharmaceuticals, Inc.	0.01%	940,594
230	MGNX	MacroGenics, Inc.	0.01%	360,909
231	NKTX	Nkarta, Inc.	0.01%	273,312
232	RNAC	Cartesian Therapeutics, Inc.	0.01%	52,371
233	CCCC	C4 Therapeutics, Inc.	0.01%	348,313
234	PLRX	Pliant Therapeutics, Inc.	0.01%	343,630
235	LRMR	Larimar Therapeutics, Inc.	0.01%	238,132
236	PRME	Prime Medicine, Inc.	0.01%	329,210
237	LXEO	Lexeo Therapeutics, Inc.	0.01%	153,901
238	TKNO	Alpha Teknova, Inc.	0.01%	70,506
239	STRO	Sutro Biopharma, Inc.	0.01%	432,975
240	CLYM	Climb Bio, Inc.	0.01%	334,550
241	PYXS	Pyxis Oncology, Inc.	0.01%	291,496
242	TCRX	TScan Therapeutics, Inc.	0.01%	246,668
243	KYTX	Kyverna Therapeutics, Inc.	0.01%	133,296
244	LYEL	Lyell Immunopharma, Inc.	0.01%	763,665
245	BMEA	Biomea Fusion, Inc.	0.01%	211,571
246	PEPG	PepGen Inc.	0.01%	183,564
247	NMRA	Neumora Therapeutics, Inc.	0.00%	355,216
248	APLT	Applied Therapeutics, Inc.	0.00%	630,950
249	TVGN	Tevogen Bio Holdings Inc.	0.00%	181,593
250	MRSN	Mersana Therapeutics, Inc.	0.00%	489,805
251	ACRV	Acrivon Therapeutics, Inc.	0.00%	134,852
252	ARTV	Artiva Biotherapeutics, Inc.	0.00%	70,603
253	OKUR	OnKure Therapeutics, Inc.	0.00%	54,952
254	IGMS	IGM Biosciences, Inc.	0.00%	99,406
255	ADRO	CHINOOK THERAPEUTICS INC	0.00%	320,962
256	QTTB	Q32 Bio Inc.	0.00%	25,906
257	-	CARTESIAN THERAPEUTICS INC	0.00%	7,496
258	-	FUSION PHARMACEUTICALS INC CVR	0.00%	1,880
259	-	AKOUOS CVRS Prvt	0.00%	157,087
260	-	OMNIAB INC $15.00 VESTING Prvt	0.00%	46,839
261	-	OMNIAB INC $12.50 VESTING Prvt	0.00%	46,839
262	RTYM5	RUSSELL 2000 EMINI CME JUN 25	0.00%	36
263	IXCM5	E-MINI HEALTH CARE SECTOR JUN 25	0.00%	42

As of May 27, 2025

Showing 50 of 263

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