Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in PLSE held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 1.3M | $28.9M | -1.3% | 1.936% | 0.00% |
| 2 | BANK OF AMERICA CORP /DE/ | 866K | $18.7M | +8.2% | 1.251% | 0.00% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 816K | $17.6M | β | 1.179% | 0.00% |
| 4 | Portolan Capital Management, LLC | 733K | $15.8M | +86.4% | 1.060% | 0.84% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 492K | $10.6M | +5.9% | 0.711% | 0.00% |
| 6 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 463K | $10.0M | β | 0.669% | 0.00% |
| 7 | STATE STREET CORP | 457K | $9.9M | +2.2% | 0.660% | 0.00% |
| 8 | BALYASNY ASSET MANAGEMENT LLC | 265K | $5.7M | β | 0.383% | 0.02% |
| 9 | GRIFFIN ASSET MANAGEMENT, INC. | 225K | $4.9M | -0.5% | 0.325% | 0.55% |
| 10 | LMR Partners LLP | 213K | $4.6M | β | 0.308% | 0.04% |
| 11 | NORTHERN TRUST CORP | 187K | $4.0M | +1.6% | 0.271% | 0.00% |
| 12 | CITADEL ADVISORS LLC | 168K | $3.6M | +178.6% | 0.243% | 0.00% |
| 13 | VANGUARD PORTFOLIO MANAGEMENT LLC | 165K | $3.6M | β | 0.239% | 0.00% |
| 14 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 148K | $3.2M | -3.0% | 0.214% | 0.00% |
| 15 | VANGUARD FIDUCIARY TRUST CO | 131K | $2.8M | β | 0.189% | 0.00% |
| 16 | WELLINGTON MANAGEMENT GROUP LLP | 81K | $1.8M | β | 0.117% | 0.00% |
| 17 | Westside Investment Management, Inc. | 70K | $1.5M | +6.3% | 0.102% | 0.23% |
| 18 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 67K | $1.5M | β | 0.097% | 0.00% |
| 19 | Panoramic Capital, LLC | 58K | $1.3M | +52.6% | 0.084% | 0.88% |
| 20 | MILLENNIUM MANAGEMENT LLC | 56K | $1.2M | β | 0.081% | 0.00% |
| 21 | Parkman Healthcare Partners LLC | 50K | $1.1M | β | 0.072% | 0.11% |
| 22 | Nuveen, LLC | 45K | $981K | -5.7% | 0.066% | 0.00% |
| 23 | MORGAN STANLEY | 43K | $932K | +1.8% | 0.062% | 0.00% |
| 24 | Swiss National Bank | 39K | $844K | 0.0% | 0.056% | 0.00% |
| 25 | Bank of New York Mellon Corp | 38K | $831K | -0.2% | 0.056% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in PLSE β a direct measure of their conviction.
Filings activity in PLSE during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new PLSE position in Q1 2026
Institutions that fully closed their PLSE position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 95 | +17% | 10.02% | +4.86 pp | $169M | +94% |
| Q4 2025 | 81 | 2.4% | 5.16% | 1.05 pp | $87M | 17% |
| Q3 2025 | 83 | 4.6% | 6.21% | +0.84 pp | $105M | +16% |
| Q2 2025 | 87 | +6.1% | 5.37% | +0.00 pp | $91M | +0.0% |
| Q1 2025 | 82 | +14% | 5.37% | 0.78 pp | $91M | 13% |
| Q4 2024 | 72 | +1.4% | 6.15% | +0.37 pp | $104M | +6.5% |
| Q3 2024 | 71 | +22% | 5.78% | +2.59 pp | $97M | +81% |
| Q2 2024 | 58 | β | 3.19% | β | $54M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying PLSE stock.
Based on Q1 2026 13F filings, institutional ownership of Pulse Biosciences, Inc. stands at 10.0%, held across 95 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of PLSE, with approximately 1,339,778 shares worth $0.03B as of Q1 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of PLSE, including CITADEL ADVISORS LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP, MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for PLSE is 75 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
33 institutions opened new positions in PLSE during Q1 2026, while 19 fully exited. 54 added to existing positions and 6 trimmed.
PLSE institutional ownership rose by 4.86 percentage points quarter-over-quarter, with a net change of +14 holders.
The top 10 institutions account for 75.0% of all reported 13F value in PLSE, and the top 25 account for 92.2%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Pulse Biosciences, Inc. (PLSE) Institutional Ownership