MARINA DEL REY, CA
SYSTEM1, INC.SST— Latest position per institution from SEC 13F filings
15
Institutional holders
1.17M
Total shares held
3.37M
Estimated value
58.26K
Avg. position size
CANNAE HOLDINGS, INC.
CIK 1704720
Shares
356.80K
Value
1.08M
Filed
Mar 31, 2026
BANK OF AMERICA CORP /DE/
CIK 70858
Shares
161.51K
Value
373.10K
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
127.58K
Value
294.70K
Filed
Jun 30, 2026
CERITY PARTNERS LLC
CIK 1566475
Shares
116.84K
Value
269.91K
Filed
Jun 30, 2026
CRESCENT GROVE ADVISORS, LLC
CIK 1713520
Shares
75.55K
Value
174.51K
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
46.93K
Value
183.98K
Filed
Dec 31, 2025
BLACKROCK, INC.
CIK 2012383
Shares
43.35K
Value
100.14K
Filed
Jun 30, 2026
MARSHALL WACE, LLP
CIK 1318757
Shares
36.27K
Value
255.35K
Filed
Sep 30, 2025
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
32.62K
Value
98.51K
Filed
Mar 31, 2026
JANE STREET GROUP, LLC
CIK 1595888
Shares
31.68K
Value
175.20K
Filed
Jun 30, 2025
NINE MASTS CAPITAL LTD
CIK 1569356
Shares
18.55K
Value
56.02K
Filed
Mar 31, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
18.32K
Value
55.33K
Filed
Mar 31, 2026
MORGAN STANLEY
CIK 895421
Shares
13.13K
Value
30.34K
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
12.76K
Value
50.02K
Filed
Dec 31, 2025
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
12.52K
Value
28.93K
Filed
Jun 30, 2026
LEONTEQ SECURITIES AG
CIK 1535950
Shares
12.50K
Value
28.88K
Filed
Jun 30, 2026
XTX TOPCO LTD
CIK 1828301
Shares
12.38K
Value
48.51K
Filed
Dec 31, 2025
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
12.37K
Value
68.43K
Filed
Jun 30, 2025
HRT FINANCIAL LP
CIK 1475597
Shares
11.87K
Value
65.00
Filed
Jun 30, 2025
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
11.73K
Value
28.00
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | CANNAE HOLDINGS, INC. | 1704720 | 356.80K | 1.08M | Mar 31, 2026 |
| 2 | BANK OF AMERICA CORP /DE/ | 70858 | 161.51K | 373.10K | Jun 30, 2026 |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 127.58K | 294.70K | Jun 30, 2026 |
| 4 | CERITY PARTNERS LLC | 1566475 | 116.84K | 269.91K | Jun 30, 2026 |
| 5 | CRESCENT GROVE ADVISORS, LLC | 1713520 | 75.55K | 174.51K | Jun 30, 2026 |
| 6 | VANGUARD GROUP INC | 102909 | 46.93K | 183.98K | Dec 31, 2025 |
| 7 | BLACKROCK, INC. | 2012383 | 43.35K | 100.14K | Jun 30, 2026 |
| 8 | MARSHALL WACE, LLP | 1318757 | 36.27K | 255.35K | Sep 30, 2025 |
| 9 | MILLENNIUM MANAGEMENT LLC | 1273087 | 32.62K | 98.51K | Mar 31, 2026 |
| 10 | JANE STREET GROUP, LLC | 1595888 | 31.68K | 175.20K | Jun 30, 2025 |
| 11 | NINE MASTS CAPITAL LTD | 1569356 | 18.55K | 56.02K | Mar 31, 2026 |
| 12 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 18.32K | 55.33K | Mar 31, 2026 |
| 13 | MORGAN STANLEY | 895421 | 13.13K | 30.34K | Jun 30, 2026 |
| 14 | CITADEL ADVISORS LLC | 1423053 | 12.76K | 50.02K | Dec 31, 2025 |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 12.52K | 28.93K | Jun 30, 2026 |
| 16 | LEONTEQ SECURITIES AG | 1535950 | 12.50K | 28.88K | Jun 30, 2026 |
| 17 | XTX TOPCO LTD | 1828301 | 12.38K | 48.51K | Dec 31, 2025 |
| 18 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 12.37K | 68.43K | Jun 30, 2025 |
| 19 | HRT FINANCIAL LP | 1475597 | 11.87K | 65.00 | Jun 30, 2025 |
| 20 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 11.73K | 28.00 | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.