Spire Global, Inc. (SPIR) Ownership
SPIR ownership summary
as of October 17, 2026- Institutions
- 62.4% of shares outstanding
- Insiders
- 6.00% of shares outstanding
- Shares outstanding
- 39.1M
- Float
- 34.0M shares available to trade
- Short interest
- 10.30% 3.8M shares short
- Days to cover
- 5.73 short interest up 3.1% vs prior month
- Institutions 62.35%
- Insiders 6.00%
- Other investors 31.65%
SPIR top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | 325 Capital LLC | 7.59% | 3.0M | $26.6M | +1.1M (+58.2%) | June 30, 2026 |
| 2 | BlackRock Inc | 6.60% | 2.6M | $23.1M | +846,050 (+48.7%) | June 30, 2026 |
| 3 | State Street Corp | 4.04% | 1.6M | $14.2M | +1.0M (+175.0%) | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 3.80% | 1.5M | $13.3M | +341,239 (+29.8%) | June 30, 2026 |
| 5 | Van Eck Associates Corporation | 3.60% | 1.4M | $12.6M | +1.4M (0.0%) | June 30, 2026 |
| 6 | Geode Capital Management, LLC | 2.12% | 829K | $7.4M | +111,427 (+15.5%) | June 30, 2026 |
| 7 | Mitsubishi UFJ Asset Management Co.,Ltd | 1.74% | 681K | $6.1M | +681,204 (0.0%) | June 30, 2026 |
| 8 | Royce & Associates, LP | 1.66% | 650K | $5.8M | +80,430 (+14.1%) | June 30, 2026 |
| 9 | Lane Generational LLC | 1.59% | 623K | $5.6M | −133,076 (−17.6%) | June 30, 2026 |
| 10 | Stifel Financial Corp | 1.39% | 542K | $4.9M | +23,931 (+4.6%) | June 30, 2026 |
| 11 | BNP Paribas Arbitrage, SA | 1.25% | 489K | $4.4M | +418,618 (+597.9%) | June 30, 2026 |
| 12 | D. E. Shaw & Co LP | 1.20% | 468K | $4.2M | +399,718 (+589.6%) | June 30, 2026 |
| 13 | UBS Group AG | 1.06% | 414K | $3.7M | +332,524 (+409.0%) | June 30, 2026 |
| 14 | Awm Investment Company Inc | 1.06% | 414K | $3.7M | −15,291 (−3.6%) | June 30, 2026 |
| 15 | Driehaus Capital Management LLC | 0.95% | 370K | $3.3M | +370,379 (0.0%) | June 30, 2026 |
| 16 | Vanguard Portfolio Management, LLC | 0.92% | 359K | $3.2M | +185,112 (+106.7%) | June 30, 2026 |
| 17 | Two Sigma Investments LLC | 0.91% | 358K | $3.2M | +255,940 (+251.2%) | June 30, 2026 |
| 18 | Penserra Capital Management, LLC | 0.89% | 350K | $3.1M | +105,433 (+43.2%) | June 30, 2026 |
| 19 | Northern Trust Corp | 0.66% | 256K | $2.3M | +36,684 (+16.7%) | June 30, 2026 |
| 20 | Herald Investment Management Ltd | 0.65% | 253K | $2.3M | −87,000 (−25.6%) | 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 7.7M shares and 3 cut 235K.
SPIR top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 2.67% | 1.0M | $9.4M | — | August 31, 2026 |
| 2 | iShares Russell 2000 ETF | 2.32% | 908K | $8.1M | −10,496 (−1.1%) | September 30, 2026 |
| 3 | Stt Strt®SPDR®S&PKenshoNwEcosComposETF | 1.15% | 450K | $4.0M | — | September 30, 2026 |
| 4 | FTGF RY US SmCp Opp A USD Dis(A) | 0.97% | 378K | $3.4M | +34,362 (+10.0%) | August 31, 2026 |
| 5 | Stt Strt® SPDR® S&PKenshoFnlFrntrsETF | 0.95% | 372K | $3.3M | — | September 30, 2026 |
| 6 | Defiance Drone and Modern Warfare ETF | 0.87% | 341K | $3.1M | — | September 30, 2026 |
| 7 | Herald Ord | 0.87% | 340K | $3.0M | −46,249 (−12.0%) | March 31, 2026 |
| 8 | Fidelity Small Cap Index | 0.85% | 334K | $3.0M | +3,776 (+1.1%) | July 31, 2026 |
| 9 | iShares Russell 2000 Growth ETF | 0.84% | 328K | $2.9M | −415 (−0.1%) | September 30, 2026 |
| 10 | Royce Small-Cap Opportunity Invmt | 0.79% | 307K | $2.7M | +13,614 (+4.6%) | June 30, 2026 |
| 11 | Fidelity Extended Market Index | 0.46% | 179K | $1.6M | +2,857 (+1.6%) | August 31, 2026 |
| 12 | Vanguard Russell 2000 ETF | 0.45% | 174K | $1.6M | +3,480 (+2.0%) | August 31, 2026 |
| 13 | IAM Space A | 0.40% | 156K | $1.4M | +19,518 (+14.3%) | September 30, 2026 |
| 14 | Vanguard US Momentum Factor ETF | 0.38% | 148K | $1.3M | +148,364 (0.0%) | June 30, 2026 |
| 15 | Procure Space ETF | 0.32% | 127K | $1.1M | +747 (+0.6%) | September 30, 2026 |
| 16 | iShares Micro-Cap ETF | 0.28% | 111K | $992,340 | −765 (−0.7%) | September 30, 2026 |
| 17 | MetaSpace Fund A | 0.27% | 105K | $938,058 | +2,983 (+2.9%) | August 31, 2026 |
| 18 | Schwab Small Cap Index | 0.19% | 75K | $672,601 | — | August 31, 2026 |
| 19 | Fidelity Total Market Index | 0.18% | 70K | $626,178 | — | August 31, 2026 |
| 20 | Stt Strt SPDR® Russell2000 US SmCapETF | 0.15% | 60K | $540,875 | +2,880 (+5.0%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
SPIR insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-20 | Theresa Condor | Sell | $18.31 | 1,200 | $21,972 |
| 2026-04-20 | Peter Platzer | Sell | $18.31 | 1,800 | $32,958 |
| 2026-03-20 | Peter Platzer | Sell | $12.86 | 1,801 | $23,161 |
| 2026-03-20 | Theresa Condor | Sell | $12.86 | 1,201 | $15,445 |
| 2026-02-20 | Johann Gabriel Oehme | Sell | $8.53 | 12,757 | $108,817 |
| 2026-02-20 | Perez Celia Pelez | Sell | $8.53 | 19,134 | $163,213 |
| 2026-02-20 | Peter Platzer | Sell | $8.53 | 58,428 | $498,391 |
| 2026-02-20 | Theresa Condor | Sell | $8.53 | 41,712 | $355,803 |
| 2026-01-21 | Peter Platzer | Sell | $12.10 | 1,801 | $21,792 |
| 2026-01-21 | Theresa Condor | Sell | $12.10 | 1,201 | $14,532 |
| 2025-12-22 | Peter Platzer | Sell | $8.24 | 1,802 | $14,848 |
| 2025-12-22 | Theresa Condor | Sell | $8.24 | 1,202 | $9,904 |
| 2025-11-21 | Peter Platzer | Sell | $7.59 | 54,793 | $415,879 |
| 2025-11-21 | Theresa Condor | Sell | $7.59 | 39,119 | $296,913 |
| 2025-11-11 | Peter Platzer | Sell | $8.40 | 117,236 | $984,782 |
| 2025-10-21 | Peter Platzer | Sell | $12.02 | 1,817 | $21,840 |
| 2025-10-21 | Theresa Condor | Sell | $12.02 | 1,212 | $14,568 |
| 2025-09-22 | Peter Platzer | Sell | $10.42 | 1,811 | $18,871 |
| 2025-09-22 | Theresa Condor | Sell | $10.42 | 1,208 | $12,587 |
| 2025-08-21 | Peter Platzer | Sell | $8.66 | 54,783 | $474,421 |
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.
SPIR shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns SPIR
Institutional investors own 62.4% of Spire Global's shares and insiders 6.00%. The largest holder is 325 Capital LLC with 7.59% of the shares (3.0M), 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 10.30% of the float, or 5.73 days of average trading volume. The share count rose 1,388.7% since 2020.
Related: SPIR analyst forecast, SPIR key metrics. See the SPIR stock overview for the latest quote and news.
SPIR ownership FAQ
Who owns the most Spire Global stock?
The largest shareholders of Spire Global are 325 Capital LLC (7.59%), BlackRock Inc (6.60%), State Street Corp (4.04%), Vanguard Capital Management, LLC (3.80%), Van Eck Associates Corporation (3.60%).
What percentage of Spire Global is owned by institutions?
Institutions hold 62.4% of Spire Global's shares outstanding; insiders hold 6.00%.
Which funds own Spire Global?
The largest fund holders of Spire Global are Vanguard MStar Total Stk Mkt Idx Invest (2.67%), iShares Russell 2000 ETF (2.32%), Stt Strt®SPDR®S&PKenshoNwEcosComposETF (1.15%), FTGF RY US SmCp Opp A USD Dis(A) (0.97%), Stt Strt® SPDR® S&PKenshoFnlFrntrsETF (0.95%).
What is Spire Global's short interest?
3.8M shares of Spire Global were sold short, 10.30% of the float; at the average daily volume it would take 5.73 days to cover.
Are insiders buying or selling Spire Global?
Of the latest 20 reported insider transactions in Spire Global (since August 21, 2025), 0 were purchases and 20 were sales.
How many shares of Spire Global are outstanding?
Spire Global has 39.1M shares outstanding, of which 34.0M are in the public float.