BIB
ProShares Ultra Nasdaq Biotechnology
ProShares Trust
ETFIndex fund

Portfolio concentration

As of February 28, 2026 · N-PORT
Holdings
263
Top-10 weight
57.92%
Effective holdings ?
16
Crowding ?
1054.3

Holdings

As of February 28, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 GILEAD SCIENCES INC 39,904 $5.94M 6.48%
2 US ULTRA BOND CBT Sep25 4,291 $5.82M 6.34%
3 VERTEX PHARMACEUTICALS INC 11,581 $5.75M 6.27%
4 AMGEN INC 14,536 $5.64M 6.15%
5 REGENERON PHARMACEUTICALS INC 4,769 $3.73M 4.06%
6 US ULTRA BOND CBT Sep25 2,484 $3.31M 3.61%
7 US ULTRA BOND CBT Sep25 2,639 $2.65M 2.89%
8 US ULTRA BOND CBT Sep25 6,179 $2.61M 2.85%
9 US ULTRA BOND CBT Sep25 3,646 $2.41M 2.63%
10 ALNYLAM PHARMACEUTICALS INC 6,101 $2.03M 2.21%
11 Invesco Government & Agency Portfolio, Institutional Class 1,662,868 $1.66M 1.81%
12 Repurchase Agreement 1,567,851 $1.57M 1.71%
13 INSMED INC 9,848 $1.47M 1.60%
14 BIOGEN INC 6,774 $1.30M 1.42%
15 ARGENX SE SPONSORED ADR 1,344 $1.03M 1.12%
16 UNITED THERAPEUTICS CORP DEL 1,988 $1.00M 1.09%
17 MODERNA INC 18,039 $966.35K 1.05%
18 ILLUMINA INC 7,055 $948.62K 1.03%
19 ROIVANT SCIENCES LTD 32,114 $929.38K 1.01%
20 INCYTE CORP 9,065 $918.01K 1.00%
21 ROYALTY PHARMA PLC 19,729 $911.68K 0.99%
22 REVOLUTION MEDICINES INC 8,927 $910.73K 0.99%
23 VIATRIS INC 53,183 $794.02K 0.87%
24 Repurchase Agreement 776,976 $776.98K 0.85%
25 Repurchase Agreement 776,976 $776.98K 0.85%
26 Ascendis Pharma A/S 2,835 $661.97K 0.72%
27 NEUROCRINE BIOSCIENCES INC 4,604 $608.88K 0.66%
28 IONIS PHARMACEUTICALS INC 7,479 $606.92K 0.66%
29 SANOFI SPON ADR SNY US 12,219 $594.58K 0.65%
30 BRIDGEBIO PHARMA INC 8,897 $591.47K 0.64%
31 MEDPACE HOLDINGS INC 1,301 $587.74K 0.64%
32 SUMMIT THERAPEUTICS INC 34,375 $570.28K 0.62%
33 GUARDANT HEALTH INC 5,974 $560.96K 0.61%
34 BIOMARIN PHARMACEUTICAL INC 8,871 $547.61K 0.60%
35 EXELIXIS INC 12,381 $545.51K 0.59%
36 JAZZ PHARMA PLC 2,806 $533.20K 0.58%
37 BIONTECH SE ADR 4,669 $514.66K 0.56%
38 Repurchase Agreement 466,185 $466.19K 0.51%
39 Repurchase Agreement 466,185 $466.19K 0.51%
40 BEONE MEDICINES LTD ADR 1,454 $460.90K 0.50%
41 MADRIGAL PHARMACEUTICALS INC 1,048 $452.74K 0.49%
42 IMMUNITYBIO INC 45,481 $444.80K 0.49%
43 TEMPUS AI INC-A 7,982 $425.04K 0.46%
44 ARROWHEAD PHARMACEUTICALS INC 6,271 $396.77K 0.43%
45 PRAXIS PRECISION MEDICINES INC 1,155 $388.95K 0.42%
46 Repurchase Agreement 388,488 $388.49K 0.42%
47 AXSOME THERAPEUTICS INC 2,327 $381.37K 0.42%
48 HALOZYME THERAPEUTICS INC 5,430 $377.55K 0.41%
49 VAXCYTE INC 6,044 $373.16K 0.41%
50 KRYSTAL BIOTECH INC 1,339 $369.08K 0.40%
1 / 6 Next ›

Machine-readable: JSON · Markdown. Programmatic access via the agent surface.