SPKL
Spark I Acquisition Corp
$12.95
+0.34 (+2.70%)
At close · Jul 2
Market Cap
$155.68M
Shares
8,658,791
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 16
Total Value: $19,101,745
Total Shares: 1,688,926
Institutional Ownership Trend
10 quarters
Holder Concentration
Across 16 13F filers · Δ vs Dec 31, 2025Top Holder
37.5%
−0.7 pts
Top 5
82.1%
+0.1 pts
Top 10
95.8%
+0.1 pts
HHI
2,245
Moderately concentrated−60
Quarterly Activity
vs Dec 31, 2025
New
1
Increased
4
Decreased
3
Sold Out
1
Unchanged
8
Holder count:
0
Institutional value:
+0.7%
Shares held:
+1.7%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mid BERKLEY W R CORP | +24,860 | 90,426 | |
| Small Logan Stone Capital, LLC | +2,729 | 31,209 | |
| Mid MIZUHO SECURITIES USA LLC | +2,334 | 438,529 | |
| Mega MORGAN STANLEY | +18 | 70 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mid AQR Arbitrage LLC | −670 | 633,329 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | −288 | 32,929 | |
| Mega UBS Group AG | −16 | 199 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mid O'Connor Alternative Investments LLC | 66,832 | $755,869 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 66,832 | $763,889 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid AQR Arbitrage LLC | $7,162,950 | 37.50% | 633,329 | Shares | Defined | 2026-05-15 | ||||
| Mid MIZUHO SECURITIES USA LLC Broker-Dealer | $4,959,762 | 25.96% | 438,529 | Shares | Defined | 2026-05-11 | ||||
| Small Periscope Capital Inc. | $1,413,750 | 7.40% | 125,000 | Shares | Sole | 2026-05-14 | ||||
| Mid MOORE CAPITAL MANAGEMENT, LP | $1,131,000 | 5.92% | 100,000 | Shares | Sole | 2026-05-15 | ||||
| Mid BERKLEY W R CORP | $1,022,718 | 5.35% | 90,426 | Shares | Sole | 2026-05-15 | ||||
| Mid O'Connor Alternative Investments LLC | $755,869 | 3.96% | 66,832 | Shares | Defined | 2026-05-15 | ||||
| Mid GLAZER CAPITAL, LLC | $679,731 | 3.56% | 60,100 | Shares | Sole | 2026-05-14 | ||||
| Small Radcliffe Capital Management, L.P. | $446,609 | 2.34% | 39,488 | Shares | Sole | 2026-05-15 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $372,426 | 1.95% | 32,929 | Shares | Other | 2026-05-15 | ||||
| Small Logan Stone Capital, LLC | $352,973 | 1.85% | 31,209 | Shares | Sole | 2026-05-15 | ||||
| Large Clear Street Group Inc. | $314,225 | 1.65% | 27,783 | Shares | Sole | 2026-05-15 | ||||
| Mid Linden Advisors LP | $282,750 | 1.48% | 25,000 | Shares | Sole | 2026-05-15 | ||||
| Small Rangeley Capital, LLC | $122,295 | 0.64% | 10,813 | Shares | Sole | 2026-05-15 | ||||
| Large TORONTO DOMINION BANK Bank | $81,646 | 0.43% | 7,219 | Shares | Defined | 2026-05-15 | ||||
| Mega UBS Group AG | $2,250 | 0.01% | 199 | Shares | Defined | 2026-05-05 | ||||
| Mega MORGAN STANLEY | $791 | 0.00% | 70 | Shares | Defined | 2026-05-15 | ||||
| No holders match your search. | ||||||||||