IBB vs JGRO: Holdings Overlap
iShares · 254 holdings · $9.3B · as of 2026-03-31
JGROJPMorgan Active Growth ETF
JPMorgan · 119 holdings · $9.6B · as of 2026-03-31
How similar are IBB and JGRO?
iShares Biotechnology ETF (IBB, by iShares) holds 254 positions; JPMorgan Active Growth ETF (JGRO, by JPMorgan) holds 119. They have 8 holdings in common, and by portfolio weight the two funds are 5.3% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 5.3%Sum of the smaller weight of each shared holding
- Shared Holdings
- 8IBB holds 254 · JGRO holds 119
- Weight in Shared Holdings
- IBB 27%·JGRO 5%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in IBB
246 of 254 positions (73.3% of the fund) are not held by JGRO. Showing the top 30 by weight.
Sector Breakdown
| Sector | IBB | JGRO |
|---|---|---|
| Health Care | 91.0% | 12.7% |
| Information Technology | 0.0% | 37.8% |
| Communication Services | 0.0% | 12.5% |
| Consumer Discretionary | 0.0% | 11.4% |
| Industrials | 0.0% | 9.1% |
| Other Sectors | 0.0% | 13.4% |
| Unclassified | 8.9% | 0.0% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts. “Unclassified” is weight we could not classify (9% of IBB, 0% of JGRO).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IBB | -0.3% | +17.3% | +51.0% | +16.4% | +3.1% | +7.4% | 0.21% |
| JGRO | +1.2% | +3.4% | +8.3% | +19.6% | — | — | 0.15% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in IBB vs JGRO →
Shared Holdings(8)
The top 8 shared positions account for 100% of the overlap, led by INSM, GILD and NTRA.
 INSMInsmed, Inc. | 3.20% | 1.42% | 1.42% |
|---|---|---|---|
 GILDGilead Sciences, Inc. | 7.75% | 1.19% | 1.19% |
 NTRANatera, Inc. | 2.41% | 0.92% | 0.92% |
 ALNYAlnylam Pharmaceuticals, Inc. | 3.99% | 0.68% | 0.68% |
 NBIXNeurocrine Biosciences, Inc. | 1.18% | 0.43% | 0.43% |
 AMGNAmgen, Inc. | 7.51% | 0.43% | 0.43% |
| Nuvalent, Inc., Class A | 0.45% | 0.18% | 0.18% |
 QUREuniQure NV | 0.08% | 0.02% | 0.02% |
Frequently Asked Questions
How much do IBB and JGRO overlap?
IBB and JGRO overlap by 5.3% of portfolio weight. They share 8 holdings (IBB holds 254 positions and JGRO holds 119), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IBB and JGRO?
The two portfolios are 5.3% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of IBB and JGRO?
The largest positions held by both funds are INSM, GILD, NTRA, ALNY and NBIX. Together the top 8 shared positions account for 100% of the total overlap.
What does IBB own that JGRO doesn't?
246 positions (73.3% of IBB) are unique to IBB, led by VRTX, REGN and ARGX. In the other direction, 111 positions (91.6% of JGRO) are unique to JGRO.