SpyGlass Pharma, Inc. (SGP) Ownership

NASDAQ: SGPTop holders, insider trades and short interest.

SGP ownership summary

as of October 18, 2026
Institutions
94.7%
of shares outstanding
Insiders
4.28%
of shares outstanding
Shares outstanding
33.4M
Float
6.5M
shares available to trade
Short interest
11.29%
1.3M shares short
Days to cover
8.86
short interest up 2.0% vs prior month
  • Institutions 94.68%
  • Insiders 4.28%
  • Other investors 1.04%

SGP top institutional holders

20 largest
SpyGlass Pharma, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1RA Capital Management, LLC23.98%8.0M$192.5M—June 30, 2026
2NEA Management Company, LLC22.10%7.4M$177.4M—June 30, 2026
3Sands Capital Ventures, LLC7.47%2.5M$60.0M—June 30, 2026
4Samsara BioCapital, LLC6.31%2.1M$50.6M—June 30, 2026
5BlackRock Inc2.13%712K$17.1M+566,973 (+391.7%)June 30, 2026
6T. Rowe Price Associates, Inc.2.02%674K$16.2M−30,297 (−4.3%)June 30, 2026
7Vestal Point Capital LP2.00%670K$16.1M+3,240 (+0.5%)June 30, 2026
8JPMorgan Chase & Co1.88%630K$15.1M+52,630 (+9.1%)June 30, 2026
9Deerfield Management Co1.64%550K$13.2M—June 30, 2026
10Millennium Management LLC1.52%507K$12.2M+38,463 (+8.2%)June 30, 2026
11Aberdeen Group PLC1.47%493K$11.8M+272,622 (+123.7%)June 30, 2026
12Vanguard Capital Management, LLC1.30%434K$10.4M−390 (−0.1%)June 30, 2026
13Geode Capital Management, LLC0.83%277K$6.7M+150,785 (+119.2%)June 30, 2026
14Franklin Templeton Inc0.70%233K$5.6M−66,588 (−22.2%)June 30, 2026
15Affinity Asset Advisors, LLC0.39%132K$3.2M−118,414 (−47.4%)June 30, 2026
16State Street Corp0.35%118K$2.8M+100,311 (+581.5%)June 30, 2026
17Charles Schwab Investment Management Inc0.26%86K$2.1M+26,071 (+43.7%)June 30, 2026
18Northern Trust Corp0.25%82K$2.0M+61,589 (+295.2%)June 30, 2026
19Vanguard Portfolio Management, LLC0.23%76K$1.8M+72,132 (+1,960.1%)June 30, 2026
20Vanguard Fiduciary Trust Co0.20%68K$1.6M+8,716 (+14.6%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 11 holders added 1.4M shares and 4 cut 216K.

SGP top mutual fund and ETF holders

20 largest
SpyGlass Pharma, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1JPMorgan Small Cap Growth A1.39%464K$11.1M−13,686 (−2.9%)August 31, 2026
2Vanguard MStar Total Stk Mkt Idx Invest0.95%317K$7.6M—August 31, 2026
3abrdn Healthcare Investors0.66%222K$5.3M—August 31, 2026
4T. Rowe Price New Horizons0.63%209K$5.0M−8,550 (−3.9%)August 31, 2026
5JPMorgan Small Cap Blend A0.44%149K$3.6M−4,867 (−3.2%)August 31, 2026
6abrdn Healthcare Opportunities0.40%135K$3.3M—August 31, 2026
7Fidelity Small Cap Index0.36%121K$2.9M+1,127 (+0.9%)July 31, 2026
8abrdn World Healthcare0.32%108K$2.6M—August 31, 2026
9Franklin Biotechnology Discovery A0.25%85K$2.0M+84,708 (0.0%)August 31, 2026
10Vanguard Russell 2000 ETF0.19%64K$1.5M+1,320 (+2.1%)August 31, 2026
11JPM US Small Cap Growth A dist USD0.16%52K$1.3M−342 (−0.7%)August 31, 2026
12Fidelity Extended Market Index0.15%50K$1.2M+1,038 (+2.1%)August 31, 2026
13ALPS Medical Breakthroughs ETF0.13%44K$1.1M—September 30, 2026
14abrdn Life Sciences Investors0.12%41K$979,824—August 31, 2026
15Schwab US Small-Cap ETF™0.11%35K$846,888+18 (+0.1%)September 30, 2026
16JPM US Small Cap Growth C Acc0.11%35K$844,536−3 (−0.0%)August 31, 2026
17Schwab Small Cap Index0.08%27K$644,712—August 31, 2026
18TD Health Sciences - I0.07%24K$570,960—June 30, 2026
19JPMorgan American Ord0.07%24K$567,024+9,498 (+67.2%)July 31, 2026
20Fidelity Total Market Index0.07%23K$550,824—August 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

SGP insider transactions

latest 1
SpyGlass Pharma, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-02-09Ra Capital Management, L.P.Buy$16.003,690,000$59.0M

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

Who owns SGP

Institutional investors own 94.7% of SpyGlass Pharma's shares and insiders 4.28%. The largest holder is RA Capital Management, LLC with 23.98% of the shares (8.0M), as of June 30, 2026. Among the top 20 institutions, 11 added shares and 4 reduced their stake in the latest filings. Short interest is 11.29% of the float, or 8.86 days of average trading volume. The share count rose 4.7% since 2024.

Related: SGP analyst forecast, SGP key metrics. See the SGP stock overview for the latest quote and news.

SGP ownership FAQ

Who owns the most SpyGlass Pharma stock?

The largest shareholders of SpyGlass Pharma are RA Capital Management, LLC (23.98%), NEA Management Company, LLC (22.10%), Sands Capital Ventures, LLC (7.47%), Samsara BioCapital, LLC (6.31%), BlackRock Inc (2.13%).

What percentage of SpyGlass Pharma is owned by institutions?

Institutions hold 94.7% of SpyGlass Pharma's shares outstanding; insiders hold 4.28%.

Which funds own SpyGlass Pharma?

The largest fund holders of SpyGlass Pharma are JPMorgan Small Cap Growth A (1.39%), Vanguard MStar Total Stk Mkt Idx Invest (0.95%), abrdn Healthcare Investors (0.66%), T. Rowe Price New Horizons (0.63%), JPMorgan Small Cap Blend A (0.44%).

What is SpyGlass Pharma's short interest?

1.3M shares of SpyGlass Pharma were sold short, 11.29% of the float; at the average daily volume it would take 8.86 days to cover.

Are insiders buying or selling SpyGlass Pharma?

Of the latest 1 reported insider transactions in SpyGlass Pharma (since February 9, 2026), 1 were purchases and 0 were sales.

How many shares of SpyGlass Pharma are outstanding?

SpyGlass Pharma has 33.4M shares outstanding, of which 6.5M are in the public float.

Biotechnology: ownership