Cross-institution positioning
Jul 29, 2026Strong institutional reduction. 1 reducing, 3 exited across 4 comparable institutions.
Source: Schedule 13 researchGOSS Institutional Ownership
Gossamer Bio, Inc.
Latest stored close $9.88 as of Oct 8, 2026 View live quote ↗
STOCKNODE Outlook
Sell
29/100
4 tracked · 4 comparable
Latest filing
Jul 29, 2026
Positive breadth
0 positive · 4 negative
Recent close
$9.88
Research confidence
Medium
Institutional Research 13/100 · 0 accumulating · 4 reducing / exited
Ownership history
Reported ownership % history
Latest filing Jul 29, 2026
See how each tracked institution's reported ownership changed across SEC position dates. Full history is available with Investor or Pro access.
Locked preview
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Accumulating0
Newly reported0
Reducing / exited
4
52-week position
—
Institutional Intelligence
Why STOCKNODE says Sell
What the evidence shows across the newest institutional, insider, company-event, 13F, fundamental, and price data; STOCKNODE combines these layers into a quantitative research signal while preserving each source and reporting window.
STOCKNODE Outlook
Sell 29/100
Confidence:Medium
Why this signal
- 0 tracked institutions accumulating versus 4 reducing/exited.
Institutional
15/100
Insiders
50/100
Fundamentals
53/100
Events
50/100
Quarterly 13F activity
Jun 30, 20260 increased/new, 2 reduced/exited across 2 managers in the latest comparable Form 13F quarter.
Source: Form 13F quarter-end holdingsInsider filing activity
Sep 23, 2026Recent Forms 3/4/5 activity is available, with no non-amendment non-derivative SEC-coded P/S transactions in the rolling 90-day window. Amendments are shown in the filing evidence but excluded from rolling activity totals.
Source: SEC Forms 3/4/5Material company events
Sep 28, 202612 non-amendment material events in the last 90 days; 2 capital-related filing/events (2 equity-related, 0 debt-related); Latest classified evidence: Other event. Registration and prospectus filings are treated as financing capacity/disclosure evidence, not proof that securities were sold.
Source: SEC 8-K / securities filing metadataSEC fundamentals
Aug 13, 2026Revenue -19.6% YoY; Net income +144.2% YoY. Periods are compared only when the SEC facts are aligned and comparable.
Source: SEC Company FactsPrice context
Sep 15, 2026Recent close is 60% through its reported 52-week range; +226.4% over one year.
Source: Stored historical price series
Latest filing decision brief
Investor / Pro
Research the latest Schedule 13G amendment from BlackRock.
Filed Jul 29, 2026. Unlock the dated position comparison, disclosure classification, confidence, price context, and filing-specific significance analysis.
Premium research values are withheld until unlocked.
Supporting institutional evidence
Institutional Evidence
The research summary above gives the current read. This section shows the dated holder-level evidence behind it.
Latest filing
Jul 29, 2026
Latest reported position changes
Investor / Pro detailSee each institution's newest reported position against its own prior report, with position as-of date separated from SEC filed date. Institution names and filing freshness remain public below.
BlackRock
Filed Jul 29, 2026
Direction locked
Vanguard Group
Filed Mar 27, 2026
Direction locked
Fidelity / FMR
Filed Nov 12, 2024
Direction locked
State Street
Filed May 10, 2023
Direction locked
BlackRock
Filed May 5, 2023
Direction locked
Unlock the actual direction, share change, ownership change, and classification basis.
No premium position values are sent in this locked preview.
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Reported direction breadth by as-of date
Locked previewComparable holder direction grouped by SEC position as-of date — never presented as trade dates.
Unlock actual accumulation vs. reduction breadth across reported position dates.
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Institution comparison
Investor / Pro detailCompare each institution only with its own prior reported position. Public visitors can see who is tracked and how fresh the filing is; paid research reveals the actual comparison.
BlackRock
Filed Jul 29, 2026
Vanguard Group
Filed Mar 27, 2026
Fidelity / FMR
Filed Nov 12, 2024
State Street
Filed May 10, 2023
BlackRock
Filed May 5, 2023
Unlock the evidence behind the score
Know who changed position, by how much, and when the SEC learned about it.
Investor and Pro reveal holder-by-holder changes, reported ownership history, dated breadth, disclosure timing, institution comparison, and filing-specific analysis without treating Schedule 13 reports as trade dates.
✓ Actual share and ownership changes
✓ Position as-of date vs. SEC filed date
✓ Deterministic direction basis
✓ Full evidence on every eligible stock
SEC Forms 3, 4 & 5
Insider activity
Reported Section 16 ownership activity. Rolling purchase/sale totals use non-derivative SEC transaction codes P and S only; amendments remain visible but are excluded from those totals.
30-day purchases00 reporting owner(s)
30-day sales00 reporting owner(s)
90-day purchase breadth0
90-day sale breadth0
View recent insider filing evidence
| Date | Reporting owner | Code | Security | Shares | Price | Ownership | Filed |
|---|---|---|---|---|---|---|---|
| Sep 23, 2026 | Nathan Steven D | AGrant, award, or other acquisition · derivative | Stock Option (Right to Buy) | 10.0K | $0.00 | Direct | Sep 25, 2026 |
| Sep 23, 2026 | Cox Russell J. | AGrant, award, or other acquisition · derivative | Stock Option (Right to Buy) | 10.0K | $0.00 | Direct | Sep 25, 2026 |
| Sep 23, 2026 | Quisel John D | AGrant, award, or other acquisition · derivative | Stock Option (Right to Buy) | 10.0K | $0.00 | Direct | Sep 25, 2026 |
| Sep 23, 2026 | Drynan Skye | AGrant, award, or other acquisition · derivative | Stock Option (Right to Buy) | 10.0K | $0.00 | Direct | Sep 25, 2026 |
| Sep 23, 2026 | Ciongoli Gregory Austin | AGrant, award, or other acquisition · derivative | Stock Option (Right to Buy) | 30.0K | $0.00 | Direct | Sep 25, 2026 |
| Sep 23, 2026 | Daniel Thomas O | AGrant, award, or other acquisition · derivative | Stock Option (Right to Buy) | 10.0K | $0.00 | Direct | Sep 25, 2026 |
| Sep 23, 2026 | Milligan Sandra | AGrant, award, or other acquisition · derivative | Stock Option (Right to Buy) | 10.0K | $0.00 | Direct | Sep 25, 2026 |
| Aug 24, 2026 | Hasnain Faheem | AGrant, award, or other acquisition · derivative | Stock Option (Right to Buy) | 5.8M | $0.00 | Direct | Aug 26, 2026 |
| Aug 24, 2026 | Hasnain Faheem | AGrant, award, or other acquisition · derivative | Pre-Funded Warrant (Right to Buy) | 166 | $1,000.00 | Indirect | Aug 26, 2026 |
| Aug 24, 2026 | Christian Waage | AGrant, award, or other acquisition · derivative | Stock Option (Right to Buy) | 2.9M | $0.00 | Direct | Aug 26, 2026 |
| Aug 24, 2026 | Giraudo Bryan | AGrant, award, or other acquisition · derivative | Stock Option (Right to Buy) | 5.8M | $0.00 | Direct | Aug 26, 2026 |
| Aug 24, 2026 | Giraudo Bryan | AGrant, award, or other acquisition · derivative | Pre-Funded Warrant (Right to Buy) | 25 | $1,000.00 | Indirect | Aug 26, 2026 |
| Aug 24, 2026 | Smith Robert Paul JR | AGrant, award, or other acquisition · derivative | Stock Option (Right to Buy) | 5.8M | $0.00 | Direct | Aug 26, 2026 |
| Aug 24, 2026 | Peterson Caryn | AGrant, award, or other acquisition · derivative | Stock Option (Right to Buy) | 5.8M | $0.00 | Direct | Aug 26, 2026 |
SEC company-event context
Material company events
Recent 8-K item classifications plus securities registration and prospectus filings. Registration or prospectus filings show financing capacity/disclosure activity; they do not by themselves prove that securities were sold.
30-day material events6
90-day capital-related2
90-day equity-related2
90-day debt-related0
View recent company-event filing evidence
| Filed | Form | 8-K item(s) | Classification | Capital context | SEC |
|---|---|---|---|---|---|
| Sep 28, 2026 | 8-K | 8.01 | Other event | — | Filing |
| Sep 23, 2026 | 8-K | 8.01 | Other event | — | Filing |
| Sep 16, 2026 | 8-K | 5.02, 9.01 | Director or executive change; Financial statements / exhibits | — | Filing |
| Sep 11, 2026 | 8-K | 3.03, 5.03, 8.01, 9.01 | Material modification of security-holder rights; Charter or bylaw change; Other event; Financial statements / exhibits | Equity | Filing |
| Sep 9, 2026 | 8-K | 8.01, 9.01 | Other event; Financial statements / exhibits | — | Filing |
| Sep 3, 2026 | 8-K | 5.03, 9.01 | Charter or bylaw change; Financial statements / exhibits | — | Filing |
| Aug 26, 2026 | 8-K | 5.03, 9.01 | Charter or bylaw change; Financial statements / exhibits | — | Filing |
| Aug 21, 2026 | 8-K | 1.01, 3.02, 5.03, 7.01, 9.01 | Material definitive agreement; Unregistered sale of equity securities; Charter or bylaw change; Regulation FD disclosure; Financial statements / exhibits | Equity | Filing |
| Aug 13, 2026 | 8-K | 2.02, 9.01 | Results of operations / financial condition; Financial statements / exhibits | — | Filing |
| Jul 27, 2026 | 8-K | 1.01, 1.02, 2.02, 7.01, 8.01, 9.01 | Material definitive agreement; Termination of material agreement; Results of operations / financial condition; Regulation FD disclosure; Other event; Financial statements / exhibits | — | Filing |
| Jul 15, 2026 | 8-K | 5.02, 5.03, 5.07, 9.01 | Director or executive change; Charter or bylaw change; Shareholder vote results; Financial statements / exhibits | — | Filing |
| Jul 1, 2026 | 8-K | 7.01, 9.01 | Regulation FD disclosure; Financial statements / exhibits | — | Filing |
SEC-reported company fundamentals
Fundamentals
Period-aligned SEC facts. Comparisons appear only when periods and units are comparable.
Revenue
$9.2M
Q2 2026
-19.6% YoY 10-Q filed Aug 13, 2026
Operating income
$-26.1M
Q2 2026
+32.7% YoY 10-Q filed Aug 13, 2026
Operating margin
-282.2%
Q2 2026
+55.2 pts YoY 10-Q filed Aug 13, 2026
Net income
$16.9M
Q2 2026
+144.2% YoY 10-Q filed Aug 13, 2026
Diluted EPS
$-0.08
Q2 2026
+52.9% YoY 10-Q filed Aug 13, 2026
Operating cash flow
$-78.1M
YTD through Jun 30, 2026
+10.0% YoY 10-Q filed Aug 13, 2026
Free cash flow
$-78.1M
YTD through Jun 30, 2026
+10.0% YoY 10-Q filed Aug 13, 2026
Cash & equivalents
$41.1M
As of Jun 30, 2026
10-Q filed Aug 13, 2026
Assets
$76.9M
As of Jun 30, 2026
10-Q filed Aug 13, 2026
Liabilities
$170.9M
As of Jun 30, 2026
10-Q filed Aug 13, 2026
Stockholders’ equity
$-94.0M
As of Jun 30, 2026
-103.9% YoY 10-Q filed Aug 13, 2026
Shares outstanding
488.8M
As of Aug 8, 2026
10-Q filed Aug 13, 2026
View recent revenue trend
Quarterly
| Period | Revenue | YoY |
|---|---|---|
| Ended Jun 30, 2026 | $9.2M | -19.6% |
| Ended Jun 30, 2025 | $11.5M | — |
Current market context
Price performance
Dated price context from the historical market series already collected for this security.
Recent stored close
$10.38
View live quote ↗
52-week low
$0.11
Jul 14, 2026
52-week high
$17.12
Aug 25, 2026
Below 52-week high
39.4%
1W return
-27.9%
1M return
-15.7%
3M return
+6,115.6%
6M return
+2,275.3%
YTD return
+234.8%
1Y return
+226.4%
30-day volatility
1,270.9%
90-day volatility
747.8%
1Y max drawdown
-96.4%
Returns are close-to-close price changes. Volatility and drawdown are factual historical context, not recommendations.
How to read Schedule 13 ownership changes
Schedule 13G/13D reports beneficial ownership at an observation date. “Accumulation” or “reduction” is inferred from changes in reported shares when available; it is not a list of individual trades or exact execution prices.
Form 13F rows are quarter-end holding context only and do not establish an exact entry date.
For more context, see how to read a Schedule 13G, filing date vs event date, or Schedule 13G vs Schedule 13D.
Current ownership filings and reported ownership changes are available on free access. Investor and Pro add filing-specific significance scoring, disclosure-speed analysis, confirmation/divergence signals, and alerts. The overall institutional consensus preview remains public. Compare plans.
Beneficial ownership filing history
Showing 3 of 21 filing(s) · 18 older require more history accessView beneficial ownership filing evidence
| Holder | Observed / filed | Reported change | Shares | Ownership | Observation | Filing | Latest |
|---|---|---|---|---|---|---|---|
| BlackRock CIK0002012383 | Jun 30, 2026 observed Jul 29, 2026 filed · 29d Schedule 13G amendment | Reported reduction | 4.9M -10.2M | 12.00% 0.00 pts | $0.17 | $0.21 | $9.88 |
| Vanguard Group CIK0000102909 | Mar 13, 2026 observed Mar 27, 2026 filed · 14d Schedule 13G amendment | Exit below reporting threshold | 0 -11.4M | 0.00% -5.02 pts | $0.44 | $0.35 | $9.88 |
| BlackRock CIK0002012383 | Dec 31, 2025 observed Jan 21, 2026 filed · 21d Schedule 13G amendment | Reported accumulation | 15.1M +2.9M | 12.00% +6.70 pts | $3.10 | $2.74 | $9.88 |
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