Top 20 ETF stock exposure

Rank ETF Weight % in ETF
1 MEDI 18.70%
2 SYNB 4.41%
3 AFOS 4.08%
4 BOUT 3.31%
5 GURU 2.53%
6 FDG 2.50%
7 AADR 2.48%
8 BKIV 2.22%
9 FFTY 1.90%
10 BBP 1.89%
11 INNO 1.54%
12 HRTS 1.49%
13 FMED 1.38%
14 IBBQ 1.20%
15 TMAT 1.07%
16 MSSM 0.95%
17 PINK 0.85%
18 BIB 0.78%
19 LIVR 0.77%
20 ZBIO 0.77%

Top 20 institutional holders

Rank Holder SharesFloat % Change Date reported
1 RA Capital Management, LLC 10.28M (17.16%) 168.75K
Increased by +1.64%
Mar 31, 25
2 Westfield Capital Management Company, L.P. 5.48M (9.15%) -48.98K
Decreased by -0.89%
Mar 31, 25
3 venBio Select Advisor LLC 5.22M (8.71%) 114.94K
Increased by +2.20%
Mar 31, 25
4 Westfield Capital Management Company, LP 5.13M (8.57%) 170.94K
Increased by +3.33%
Sep 30, 24
5 FMR Inc 4.67M (7.80%) -55.70K
Decreased by -1.19%
Mar 31, 25
6 HHG PLC 4.49M (7.49%) 106.57K
Increased by +2.38%
Mar 31, 25
7 Artisan Partners Limited Partnership 4.26M (7.11%) -193.79K
Decreased by -4.55%
Mar 31, 25
8 T. Rowe Price Investment Management,Inc. 3.05M (5.10%) 328.28K
Increased by +10.75%
Mar 31, 25
9 Capital Research & Mgmt Co - Division 3 2.87M (4.80%) 11.54K
Increased by +0.40%
Mar 31, 25
10 T. Rowe Price Associates, Inc. 2.26M (3.77%) -27.11K
Decreased by -1.20%
Mar 31, 25
11 Morgan Stanley - Brokerage Accounts 1.90M (3.18%) 1.08M
Increased by +56.62%
Mar 31, 25
12 Massachusetts Financial Services Company 1.88M (3.13%) 10.37K
Increased by +0.55%
Mar 31, 25
13 Franklin Resources Inc 1.64M (2.74%) 283.70K
Increased by +17.30%
Mar 31, 25
14 Amvescap Plc. 1.20M (2.00%) 42.47K
Increased by +3.54%
Mar 31, 25
15 Citadel Advisors Llc 1.13M (1.88%) 229.20K
Increased by +20.37%
Mar 31, 25
16 Adage Capital Partners Gp LLC 820.51K (1.37%) 611.00K
Increased by +74.47%
Jun 30, 24
17 Camber Capital Management LLC 800.00K (1.34%) 100.00K
Increased by +12.50%
Dec 31, 24
18 Sofinnova Ventures 734.28K (1.23%) -19.75K
Decreased by -2.69%
Jun 30, 24
19 Fidelity International Ltd 729.27K (1.22%) 89.02K
Increased by +12.21%
Dec 31, 24
20 Putnam Investments LLC 725.65K (1.21%) -46.71K
Decreased by -6.44%
Dec 31, 23

Top 20 mutual fund holders

Rank Holder SharesFloat % Change Date reported
1 TimesSquare CIT Mid Cap Growth A 9.14M (15.26%) 9.09M
Increased by +99.45%
Dec 31, 23
2 MFS Mid Cap Growth A 1.30M (2.18%) 0.00
Increased by 0.00%
Jun 30, 25
3 MFS Mid Cap Growth Equity 1.30M (2.18%) 0.00
Increased by 0.00%
Jun 30, 25
4 American Funds Growth Fund of Amer A 1.06M (1.77%) 0.00
Increased by 0.00%
Jun 30, 25
5 Capital Group Growth Fnd of Amer Comp 1.06M (1.77%) 0.00
Increased by 0.00%
Jun 30, 25
6 T. Rowe Price Mid-Cap Growth 1.02M (1.70%) -800.00
Decreased by -0.08%
Jun 30, 25
7 T. Rowe Price US Mid-Cap Growth Equity 1.02M (1.70%) -1.20K
Decreased by -0.12%
Jun 30, 25
8 Janus Henderson Enterprise D 976.88K (1.63%) 0.00
Increased by 0.00%
May 31, 25
9 Janus Inst Mid Cap Growth CF 976.88K (1.63%) 0.00
Increased by 0.00%
Jun 30, 25
10 Artisan Mid Cap Investor 875.65K (1.46%) -63.21K
Decreased by -7.22%
Jun 30, 25
11 Artisan U.S. Mid-Cap Growth 875.65K (1.46%) -63.21K
Decreased by -7.22%
Jun 30, 25
12 Fidelity Select Health Care 740.00K (1.24%) 0.00
Increased by 0.00%
Jun 30, 25
13 T. Rowe Price Health Sciences 693.35K (1.16%) -58.01K
Decreased by -8.37%
Jun 30, 25
14 Fidelity® Select Biotechnology 659.41K (1.10%) 0.00
Increased by 0.00%
Nov 30, 23
15 CTIVP Westfield Slct LgCap Gro 1 631.98K (1.05%) 0.00
Increased by 0.00%
Mar 31, 25
16 American Funds New Perspective A 623.16K (1.04%) 0.00
Increased by 0.00%
Jun 30, 25
17 Capital Group New Perspective Comp 623.16K (1.04%) 0.00
Increased by 0.00%
Jun 30, 25
18 Bridge Builder Small/Mid Cap Growth 608.84K (1.02%) -15.84K
Decreased by -2.60%
Jul 31, 25
19 Fidelity Select Biotechnology 582.50K (0.97%) -15.31K
Decreased by -2.63%
Jun 30, 25
20 American Funds SMALLCAP World A 579.16K (0.97%) 0.00
Increased by 0.00%
Jun 30, 25