Stock Analysis
Data Source: SEC EDGAR 13F
Updated Hourly

Pulmonx Corp (LUNG)

109 + Investors. Track Smart Money conviction in LUNG. See who's accumulating, reducing, or initiating positions.

Current Price
-- USD
Analyst Target
-- (0 analysts)
Upside
0.00%
Net Flow Q/Q
↑ +2
Streak
2Q ▲
Buyers last Q
51%

Smart Money Signals — LUNG

Based on 110 hedge funds · latest filing: 2026 Q1 · updated quarterly

📈

Buying streak — 2 quarters in a row

last 6Q
For 2 consecutive quarters, more hedge funds added LUNG than sold it. That's a consistent pattern of professional buying — not a one-time trade. When institutions keep buying quarter after quarter, it usually means they see a multi-year opportunity, not just a short-term momentum flip.
📊

High ownership — 92% of 3.0Y peak

92% of all-time peak
110 funds currently hold this stock — 92% of the 3.0-year high of 120 funds (reached 2023 Q4). Ownership is elevated but not yet at maximum concentration. Room to grow, but watch if the trend reverses.
📉

Outflows — 5% fewer funds vs a year ago

fund count last 6Q
6 fewer hedge funds hold LUNG compared to a year ago (-5% decline). When institutions consistently reduce their exposure, it's worth exploring the underlying fundamental reasons driving them away.
🟡

Slight buying edge — 51% buying

58 buying56 selling
Last quarter: 58 funds bought or added vs 56 that reduced or exited. It's nearly a 50/50 split — some institutions are convinced, others are taking profits. This mixed picture is normal near price highs.
➡️

Steady new buyers — ~21 new funds per quarter

new funds entering per quarter
Funds opening this position for the first time: 23 → 19 → 24 → 21. A stable flow of new institutional buyers suggests ongoing interest without signs of either acceleration or slowdown.
🔒

47% of holders stayed for 2+ years

■ 47% conviction (2yr+) ■ 31% medium ■ 22% new
52 out of 110 hedge funds have held LUNG for over 2 years without selling. Long-term investors are generally harder to shake out during market stress, creating a stable ownership base that limits the risk of sudden capitulation.
💎

Buying through price weakness — shares -3%, value -44%

Value
-44%
Shares
-3%
Last quarter: funds added -3% more shares while total portfolio value only changed -44%. Institutions were buying while the price was falling — a high-conviction accumulation signal. They're deliberately loading up on the dip.
➡️

Steady discovery — ~21 new funds/quarter

18 → 23 → 19 → 24 → 21 new funds/Q
New funds entering each quarter: 23 → 19 → 24 → 21. Consistent flow of new institutional buyers without clear acceleration or slowdown.
🏛️

Veteran-anchored — 55% veterans vs 28% newcomers

■ 55% veterans ■ 17% 1-2yr ■ 28% new
Entry-cohort mix of 113 holders: 62 (55%) are 2+ year veterans, 19 entered 1–2 years ago, and 32 (28%) joined within the past year. A veteran-weighted cap table skews toward institutional memory over fresh momentum.
🏆

Elite ownership — 51% AUM from top-100 funds

51% from top-100 AUM funds
32 of 110 holders are among the 100 largest funds by AUM, controlling 51% of total institutional value in LUNG. When the biggest players dominate the cap table, it signifies deep institutional support — since mega-funds deploy the most rigorous due diligence and capital.
3.1
out of 10
Low Exit Risk
Exit risk score 3.1/10 — low institutional crowding. Ownership is below peak levels, holder base is relatively sticky, and buying momentum is positive.

Methodology note: these Smart Money cards use consecutive 13F disclosure snapshots, not trade-by-trade execution data. "Buying", "selling", "new holders", and "trimmed" refer to quarter-over-quarter changes in reported holders, aggregate shares, or disclosed position values between filings. They are useful for ownership regime analysis and crowding, but they do not imply exact trade timing on the filing date.

Institutional Sentiment Summary — LUNG

In 2026 Q1, 58 hedge funds were net buyers of LUNG (21 opened a new position, 37 added to an existing one), while 56 reduced or exited (37 trimmed, 19 sold completely) — a 51% buyer ratio, indicating a slight buying edge. Net buying has persisted for two consecutive quarters, a positive momentum signal. 51% of total institutional value in LUNG is held by top-100 AUM funds, reflecting elite-tier ownership quality. Net fund flow last quarter: +2 funds (more new holders than closures). Total institutional holders: 110.

Hedge Fund Ownership: LUNG

How many hedge funds hold LUNG — quarterly history vs. share price
Quarterly hedge fund ownership of LUNG vs. share price

Market Analysis: LUNG

Analyst Price Targets

Avg. Price Target
--

Analyst Recommendations

Stock Performance

Real-time

Company Profile: LUNG

-- --

Institutional ownership data sourced from SEC EDGAR Form 13F-HR filings.

Is It Too Late to Buy Pulmonx Corp (LUNG) Based on Hedge Fund 13F Filings?

Signal Freshness measures how much LUNG has moved relative to its sector benchmark (XLV) since the 2026 Q1 13F filing. A stock that has barely outrun its sector is still a relatively fresh entry point — the fund's thesis has not yet been priced in by the broader market.

Since Quarter End March 31, 2026 · 81d ago
LUNG
nan%
XLV
+2.1%

LUNG outperformed XLV by nan% since March 31, 2026.

Since 13F Filing Date May 15, 2026 · 36d ago
LUNG
nan%
XLV
+3.2%

Since the filing became public, LUNG outperformed XLV by nan% .

Interpretation: The stock is tracking its sector benchmark closely. The signal remains fresh and the entry point is still near the fund's implied reference. Learn more →

Smart Money Signal ?
Limited Smart Money Interest

No strong consensus or elite conviction detected among institutional holders.

12 top-rated funds 0 high-conviction
Consensus
4.8
/ 10
breadth
×
Elite
0.1
/ 10
conviction
Hedge Fund Positioning: LUNG
109 + Investors

Track Smart Money conviction in LUNG. See who's accumulating, reducing, or initiating positions.

Metric All 13F Filers (2026 Q1) Prior (2025 Q4) Change
Funds Holding 109 108 0.93%
13F Shares 31M 33M -3.47%
Total Value $40M $72M -44.25%
New Positions 20 24 -4
Increased Positions 36 28 +8
Closed Positions 19 22 -3
Reduced Positions 36 36 -
Total Calls 0 1 -100.0%
Total Puts 3 3 -
PUT/CALL Ratio 0.0 3.0 Bullish

Statistics: LUNG

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Valuation Measures Data as of: --

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PEG Ratio (5yr expected) --
Price/Sales (ttm) --
Price/Book (mrq) --
Enterprise Value/Revenue --
Enterprise Value/EBITDA --
Beta (5Y Monthly) --
Short Ratio (Days to Cover) --
Short % of Float --

Financial Highlights

Profitability
Profit Margin --
Return on Assets (ttm) --
Return on Equity (ttm) --
Income Statement & Cash Flow
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Net Income Avi to Common (ttm) --
Diluted EPS (ttm) --
Total Cash (mrq) --
Total Debt/Equity (mrq) --
Levered Free Cash Flow (ttm) --

Institutional Holders (2026 Q1)

109 + investors

Explore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in LUNG. Verified SEC 13F-HR filings.

QUARTER:
Top 25 LUNG holders by conviction (% of portfolio weight) — 2026 Q1 · Source: SEC Form 13F
# Investor % of Portfolio Shares Mkt Value
1 Stonepine Capital Management, LLC 0.40% 768,288 $991K
2 Nano Cap New Millennium Growth Fund L P 0.19% 157,500 $203K
3 Birchview Capital, LP 0.18% 250,221 $323K
4 Soleus Capital Management, L.P. 0.15% 2,788,323 $3.6M
5 Parkman Healthcare Partners LLC 0.10% 755,636 $975K
6 Cfm Wealth Partners LLC 0.05% 264,039 $341K
7 Perkins Capital Management Inc 0.05% 41,000 $53K
8 Braidwell LP 0.03% 752,541 $971K
9 ADAR1 Capital Management, LLC 0.03% 374,497 $483K
10 ExodusPoint Capital Management, LP 0.02% 1,943,834 $2.5M
11 R Squared Ltd 0.01% 19,780 $26K
12 NINE MASTS CAPITAL Ltd 0.01% 38,598 $50K
13 Redhawk Wealth Advisors, Inc. 0.00% 34,700 $45K
14 Primecap Management Co/Ca/ 0.00% 4,724,991 $6.1M
15 Berger Financial Group, Inc 0.00% 54,000 $70K
16 Jefferies Financial Group Inc. 0.00% 285,110 $368K
17 XTX Topco Ltd 0.00% 80,081 $103K
18 Bridgeway Capital Management, LLC 0.00% 61,000 $79K
19 49 Wealth Management, LLC 0.00% 15,184 $20K
20 Centiva Capital, LP 0.00% 153,882 $199K
21 Engineers Gate Manager LP 0.00% 56,151 $72K
22 Susquehanna Portfolio Strategies, LLC 0.00% 37,777 $49K
23 Renaissance Technologies LLC 0.00% 320,300 $413K
24 Westfield Capital Management Co LP 0.00% 110,000 $142K
25 Deutsche Bank Ag\ 0.00% 1,163,678 $1.5M
Investor Ownership
History 		% of Portfolio Prev % Rank Conviction Avg Buy Price 13F Score™ 3Y / 7Y Sell Timing Shares Mkt Value Change Change % Source Quarter Filed

Frequently Asked Questions — Pulmonx Corp (LUNG)

What does the Smart Money Trend signal show for LUNG?

Buying streak — 2 quarters in a row: For 2 consecutive quarters, more hedge funds added LUNG than sold it. That's a consistent pattern of professional buying — not a one-time trade. When institutions keep buying quarter after quarter, it usually means they see a multi-year opportunity, not just a short-term momentum flip.

What is the institutional breadth score for LUNG?

Slight buying edge — 51% buying: Last quarter: 58 funds bought or added vs 56 that reduced or exited. It's nearly a 50/50 split — some institutions are convinced, others are taking profits. This mixed picture is normal near price highs.

What is the fund quality score for LUNG holders?

Elite ownership — 51% AUM from top-100 funds: 32 of 110 holders are among the 100 largest funds by AUM, controlling 51% of total institutional value in LUNG. When the biggest players dominate the cap table, it signifies deep institutional support — since mega-funds deploy the most rigorous due diligence and capital.

How long have hedge funds held LUNG?

47% of holders stayed for 2+ years: 52 out of 110 hedge funds have held LUNG for over 2 years without selling. Long-term investors are generally harder to shake out during market stress, creating a stable ownership base that limits the risk of sudden capitulation.

Is it too late to buy Pulmonx Corp (LUNG) following the 2026 Q1 hedge fund 13F filings?

As of today, LUNG has moved nan% since the 2026 Q1 13F filing date (May 15, 2026), compared to +3.2% for the XLV sector ETF — an outperformance of nan%. Since the quarter end (March 31, 2026), LUNG has gained nan% vs +2.1% for XLV. The stock is tracking its sector benchmark closely. The signal remains fresh and the entry point is still near the fund's implied reference.

Where does this institutional ownership data come from?

All holdings data is sourced from SEC Form 13F filings, which institutional investment managers with over $100 million in assets are required to submit quarterly. Data is parsed directly from SEC EDGAR.

Disclaimer: The information on this page is for informational purposes only and does not constitute investment advice, a recommendation, or an offer to buy or sell any security. Institutional holdings data is sourced from SEC Form 13F filings and reflects positions as of the filing date. Past performance of any fund or portfolio is not indicative of future results. 13Foresight is not a registered investment adviser. Always conduct your own due diligence before making investment decisions.

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