Spire Global, Inc.
Spire Global, Inc. (SPIR) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SPIR · as of Sep 30, 2025
Ownership Breakdown
113
Institutional Holders
▲ 2 vs Q2
$124.89M
Total Inst. Value
▼ $18.07M vs Q2
32.54M
Shares Outstanding
freeFloat 82.44%
11.36M
13F Shares Held
▼ 650,040 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
SPIR largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
325 CAPITAL LLC communications services, nec | 1.88M | 7.00% | 7.00% | $20.61B | Nov 14, 2025 | — held |
BLACKROCK, INC. communications services, nec | 1.63M | 6.10% | 6.10% | $17.95B | Nov 12, 2025 | ▲ 19.5K |
VANGUARD GROUP INC communications services, nec | 1.34M | 5.02% | 5.02% | $14.77B | Nov 7, 2025 | ▼ 1.6K |
GEODE CAPITAL MANAGEMENT, LLC communications services, nec | 669.9K | 2.50% | 2.50% | $7.36B | Nov 12, 2025 | ▲ 7.9K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP communications services, nec | 590.6K | 2.20% | 2.20% | $6.49B | Nov 14, 2025 | ▼ 44.9K |
LANE GENERATIONAL LLC communications services, nec | 530.7K | 1.98% | 1.98% | $5.83B | Nov 4, 2025 | ▼ 12.1K |
STATE STREET CORP communications services, nec | 520.9K | 1.94% | 1.94% | $5.72B | Nov 14, 2025 | ▲ 30.4K |
STIFEL FINANCIAL CORP communications services, nec | 394.6K | 1.47% | 1.47% | $4.34B | Nov 12, 2025 | ▲ 77.3K |
HERALD INVESTMENT MANAGEMENT LTD communications services, nec | 386.2K | 1.44% | 1.44% | $4.24B | Nov 7, 2025 | NEW |
AWM INVESTMENT COMPANY, INC. communications services, nec | 332.8K | 1.24% | 1.24% | $3.66B | Nov 13, 2025 | ▲ 66.3K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
29
Increased
+997.6K shares4
New Positions
first time holders13
Decreased
−938.2K shares0
Sold Out
fully exitedNet shares change (top 50)
+59.4K
+997.6K / −938.2K
Net new holders
+20
4 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
SPIR insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
1
Buy transactions
9
Sell transactions
0.11
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
AMBLE JOAN LORDI director | May 28, 2026 | Award | 7,261 | — | — | 95.6K | Form 4 ↗ |
Rinow Toni director | May 28, 2026 | Award | 7,261 | — | — | 28.8K | Form 4 ↗ |
Porteous William director | May 28, 2026 | Award | 7,261 | — | — | 127.5K | Form 4 ↗ |
Hoke Dirk director | May 28, 2026 | Award | 9,062 | $24.10 | $218.4K | 9.1K | Form 4 ↗ |
Platzer Peter Executive Chairman | May 20, 2026 | Sale | 1,885 | $19.07 | $35.9K | 1.48M | Form 4 ↗ |
Platzer Peter Executive Chairman | May 20, 2026 | Sale | 5,299 | $19.08 | $101.1K | 1.48M | Form 4 ↗ |
Condor Theresa Chief Executive Officer | May 20, 2026 | Sale | 19,596 | $19.07 | $373.7K | 968.7K | Form 4 ↗ |
Condor Theresa Chief Executive Officer | May 20, 2026 | Sale | 5,048 | $19.08 | $96.3K | 963.7K | Form 4 ↗ |
Oehme Johann Gabriel Chief Technology Officer | May 20, 2026 | Sale | 3,107 | $19.07 | $59.3K | 218.1K | Form 4 ↗ |
Pelez Perez Celia Chief Operating Officer | May 20, 2026 | Sale | 4,660 | $19.07 | $88.9K | 263.1K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Spire Global, Inc. (SPIR) is primarily owned by institutional investors, who hold approximately 34.9% of total shares outstanding. Company insiders own approximately 17.56%, while retail and public investors account for the remaining 47.51%.
The largest institutional shareholder of Spire Global, Inc. is 325 CAPITAL LLC, holding approximately 1.88 million shares — equal to 7.00% of outstanding shares — as of September 30, 2025.
A total of 113 institutional investors currently hold SPIR stock, with a combined institutional value of approximately $124,887,684 as of the most recent 13F filing period.
Frequently asked questions
SPIR ownershipSpire Global, Inc. (SPIR) is primarily owned by institutional investors, who hold approximately 34.9% of shares. The largest shareholder is 325 CAPITAL LLC with a 7.00% stake. Company insiders hold 17.56%. Data sourced from SEC Form 13F as of September 30, 2025.