Pulse Biosciences, Inc. (PLSE) Ownership
PLSE ownership summary
as of October 17, 2026- Institutions
- 15.4% of shares outstanding
- Insiders
- 71.05% of shares outstanding
- Shares outstanding
- 71.3M
- Float
- 20.6M shares available to trade
- Short interest
- 15.53% 3.3M shares short
- Days to cover
- 4.70 short interest up 5.5% vs prior month
- Institutions 15.43%
- Insiders 71.05%
- Other investors 13.52%
PLSE top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 2.06% | 1.5M | $65.2M | +126,924 (+9.5%) | June 30, 2026 |
| 2 | Bank of America Corp | 2.03% | 1.4M | $64.3M | +580,550 (+67.0%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 1.11% | 789K | $35.0M | −27,212 (−3.3%) | June 30, 2026 |
| 4 | Portolan Capital Management, LLC | 1.06% | 753K | $33.5M | +19,961 (+2.7%) | June 30, 2026 |
| 5 | T. Rowe Price Associates, Inc. | 1.05% | 749K | $33.3M | +733,779 (+4,938.3%) | June 30, 2026 |
| 6 | Balyasny Asset Management LLC | 1.01% | 718K | $31.9M | +452,939 (+170.8%) | June 30, 2026 |
| 7 | Citadel Advisors Llc | 0.88% | 627K | $27.8M | +484,364 (+340.7%) | June 30, 2026 |
| 8 | Geode Capital Management, LLC | 0.75% | 536K | $23.8M | +44,330 (+9.0%) | June 30, 2026 |
| 9 | State Street Corp | 0.74% | 530K | $23.5M | +72,697 (+15.9%) | June 30, 2026 |
| 10 | Massachusetts Financial Services Company | 0.65% | 463K | $20.6M | −165 (−0.0%) | June 30, 2026 |
| 11 | UBS Group AG | 0.39% | 276K | $12.2M | +241,715 (+711.9%) | June 30, 2026 |
| 12 | Hovey Youngman Associates Inc | 0.32% | 227K | $10.1M | +2,108 (+0.9%) | June 30, 2026 |
| 13 | Vanguard Portfolio Management, LLC | 0.25% | 179K | $8.0M | +14,296 (+8.7%) | June 30, 2026 |
| 14 | Northern Trust Corp | 0.24% | 174K | $7.7M | −13,682 (−7.3%) | June 30, 2026 |
| 15 | Charles Schwab Investment Management Inc | 0.21% | 152K | $6.8M | +4,223 (+2.9%) | June 30, 2026 |
| 16 | Vanguard Fiduciary Trust Co | 0.18% | 131K | $5.8M | +647 (+0.5%) | June 30, 2026 |
| 17 | Point72 Asset Management, L.P. | 0.15% | 106K | $4.7M | +106,457 (0.0%) | June 30, 2026 |
| 18 | NORGES BANK | 0.15% | 106K | $4.7M | +105,647 (0.0%) | June 30, 2026 |
| 19 | Nuveen, LLC | 0.14% | 102K | $4.5M | +56,248 (+123.8%) | June 30, 2026 |
| 20 | Panoramic Capital, LLC | 0.14% | 98K | $4.4M | +40,000 (+68.9%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 17 holders added 3.1M shares and 3 cut 41K.
PLSE top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | T. Rowe Price New Horizons | 1.03% | 737K | $32.8M | −318 (−0.0%) | August 31, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 0.78% | 555K | $24.6M | — | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 0.69% | 490K | $21.8M | −5,632 (−1.1%) | September 30, 2026 |
| 4 | Strategic Advisers U.S. Total Stock | 0.48% | 344K | $15.3M | −110,869 (−24.4%) | August 31, 2026 |
| 5 | MFS New Discovery I | 0.48% | 339K | $15.1M | — | August 31, 2026 |
| 6 | JPMorgan Small Cap Growth A | 0.33% | 238K | $10.6M | +237,684 (0.0%) | August 31, 2026 |
| 7 | Fidelity Small Cap Index | 0.29% | 210K | $9.3M | +8,463 (+4.2%) | July 31, 2026 |
| 8 | iShares Russell 2000 Growth ETF | 0.25% | 176K | $7.8M | −223 (−0.1%) | September 30, 2026 |
| 9 | MFS VIT New Discovery Init | 0.17% | 122K | $5.4M | — | August 31, 2026 |
| 10 | Vanguard Russell 2000 ETF | 0.15% | 107K | $4.7M | +2,632 (+2.5%) | August 31, 2026 |
| 11 | Schwab US Small-Cap ETF™ | 0.15% | 106K | $4.7M | +63 (+0.1%) | September 30, 2026 |
| 12 | iShares US Medical Devices ETF | 0.14% | 98K | $4.4M | +1,704 (+1.8%) | September 30, 2026 |
| 13 | Fidelity Extended Market Index | 0.13% | 91K | $4.0M | −1,447 (−1.6%) | August 31, 2026 |
| 14 | JPMorgan Small Cap Blend A | 0.11% | 76K | $3.4M | +76,171 (0.0%) | August 31, 2026 |
| 15 | iShares Micro-Cap ETF | 0.08% | 60K | $2.6M | −411 (−0.7%) | September 30, 2026 |
| 16 | Bridge Builder Small/Mid Cap Value | 0.08% | 56K | $2.5M | +55,834 (0.0%) | September 30, 2026 |
| 17 | Stt Strt® SPDR® S&P®HlthCrEqpmntETF | 0.07% | 53K | $2.4M | −1,304 (−2.4%) | September 30, 2026 |
| 18 | Vanguard Health Care ETF | 0.07% | 53K | $2.3M | +1,261 (+2.4%) | August 31, 2026 |
| 19 | Schwab Small Cap Index | 0.06% | 45K | $2.0M | — | August 31, 2026 |
| 20 | Fidelity Nasdaq Composite Index | 0.06% | 45K | $2.0M | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
PLSE insider transactions
latest 13| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-18 | Kevin Patrick Danahy | Sell | $23.64 | 5,000 | $118,200 |
| 2026-02-17 | Kevin Patrick Danahy | Sell | $23.63 | 20,000 | $472,600 |
| 2026-02-13 | Kevin Patrick Danahy | Sell | $23.53 | 20,000 | $470,600 |
| 2026-02-11 | Kevin Patrick Danahy | Sell | $25.20 | 20,000 | $504,000 |
| 2026-02-09 | Kevin Patrick Danahy | Sell | $21.45 | 20,000 | $429,000 |
| 2025-10-02 | Kevin Patrick Danahy | Sell | $18.53 | 4,600 | $85,238 |
| 2025-09-19 | Kevin Patrick Danahy | Sell | $18.48 | 400 | $7,392 |
| 2025-09-18 | Kevin Patrick Danahy | Sell | $18.49 | 20,000 | $369,800 |
| 2025-09-17 | Darrin Uecker | Sell | $16.21 | 20,000 | $324,200 |
| 2025-09-15 | Darrin Uecker | Sell | $15.77 | 25,000 | $394,250 |
| 2025-09-11 | Darrin Uecker | Sell | $14.78 | 25,000 | $369,500 |
| 2025-09-10 | Robert W Duggan | Buy | $14.66 | 34,659 | $508,101 |
| 2025-06-12 | Darrin Uecker | Sell | $16.40 | 15,000 | $246,000 |
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.
PLSE shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns PLSE
Institutional investors own 15.4% of Pulse Biosciences's shares and insiders 71.05%. The largest holder is BlackRock Inc with 2.06% of the shares (1.5M), as of June 30, 2026. Among the top 20 institutions, 17 added shares and 3 reduced their stake in the latest filings. Short interest is 15.53% of the float, or 4.70 days of average trading volume. The share count rose 788.3% since 2014.
Related: PLSE analyst forecast, PLSE key metrics. See the PLSE stock overview for the latest quote and news.
PLSE ownership FAQ
Who owns the most Pulse Biosciences stock?
The largest shareholders of Pulse Biosciences are BlackRock Inc (2.06%), Bank of America Corp (2.03%), Vanguard Capital Management, LLC (1.11%), Portolan Capital Management, LLC (1.06%), T. Rowe Price Associates, Inc. (1.05%).
What percentage of Pulse Biosciences is owned by institutions?
Institutions hold 15.4% of Pulse Biosciences's shares outstanding; insiders hold 71.05%.
Which funds own Pulse Biosciences?
The largest fund holders of Pulse Biosciences are T. Rowe Price New Horizons (1.03%), Vanguard MStar Total Stk Mkt Idx Invest (0.78%), iShares Russell 2000 ETF (0.69%), Strategic Advisers U.S. Total Stock (0.48%), MFS New Discovery I (0.48%).
What is Pulse Biosciences's short interest?
3.3M shares of Pulse Biosciences were sold short, 15.53% of the float; at the average daily volume it would take 4.70 days to cover.
Are insiders buying or selling Pulse Biosciences?
Of the latest 13 reported insider transactions in Pulse Biosciences (since June 12, 2025), 1 were purchases and 12 were sales.
How many shares of Pulse Biosciences are outstanding?
Pulse Biosciences has 71.3M shares outstanding, of which 20.6M are in the public float.