ROUND ROCK, TX
TSS, INC.TSSI— Latest position per institution from SEC 13F filings
15
Institutional holders
11.54M
Total shares held
149.24M
Estimated value
577.15K
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
1.77M
Value
23.04M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
1.29M
Value
9.10M
Filed
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
968.44K
Value
12.60M
Filed
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
822.93K
Value
10.71M
Filed
Mar 31, 2026
JANE STREET GROUP, LLC
CIK 1595888
Shares
759.18K
Value
9.88M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
575.61K
Value
7.49M
Filed
Mar 31, 2026
UBS GROUP AG
CIK 1610520
Shares
521.60K
Value
6.79M
Filed
Mar 31, 2026
B. RILEY WEALTH ADVISORS, INC.
CIK 1464811
Shares
505K
Value
181.10K
Filed
Sep 30, 2025
VALUE ALIGNED RESEARCH ADVISORS, LLC
CIK 1963565
Shares
460.51K
Value
5.99M
Filed
Mar 31, 2026
AWM INVESTMENT COMPANY, INC.
CIK 1535264
Shares
450K
Value
8.15M
Filed
Sep 30, 2025
STATE STREET CORP
CIK 93751
Shares
425.25K
Value
5.53M
Filed
Mar 31, 2026
SILVERCREST ASSET MANAGEMENT GROUP LLC
CIK 1232395
Shares
416.51K
Value
5.42M
Filed
Mar 31, 2026
WOLVERINE TRADING, LLC
CIK 927337
Shares
402.67K
Value
7.45M
Filed
Sep 30, 2025
CITADEL ADVISORS LLC
CIK 1423053
Shares
379.50K
Value
4.94M
Filed
Mar 31, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
370.38K
Value
4.82M
Filed
Mar 31, 2026
LPL FINANCIAL LLC
CIK 1403438
Shares
342.85K
Value
4.46M
Filed
Mar 31, 2026
MARSHALL WACE, LLP
CIK 1318757
Shares
324.96K
Value
4.23M
Filed
Mar 31, 2026
RAYMOND JAMES FINANCIAL INC
CIK 720005
Shares
307.39K
Value
8.86M
Filed
Jun 30, 2025
JUMP FINANCIAL, LLC
CIK 1831577
Shares
235.91K
Value
6.80M
Filed
Jun 30, 2025
ROCKEFELLER CAPITAL MANAGEMENT L.P.
CIK 1739439
Shares
216.88K
Value
2.82M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 1.77M | 23.04M | Mar 31, 2026 |
| 2 | VANGUARD GROUP INC | 102909 | 1.29M | 9.10M | Dec 31, 2025 |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 968.44K | 12.60M | Mar 31, 2026 |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 822.93K | 10.71M | Mar 31, 2026 |
| 5 | JANE STREET GROUP, LLC | 1595888 | 759.18K | 9.88M | Mar 31, 2026 |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 575.61K | 7.49M | Mar 31, 2026 |
| 7 | UBS GROUP AG | 1610520 | 521.60K | 6.79M | Mar 31, 2026 |
| 8 | B. RILEY WEALTH ADVISORS, INC. | 1464811 | 505K | 181.10K | Sep 30, 2025 |
| 9 | VALUE ALIGNED RESEARCH ADVISORS, LLC | 1963565 | 460.51K | 5.99M | Mar 31, 2026 |
| 10 | AWM INVESTMENT COMPANY, INC. | 1535264 | 450K | 8.15M | Sep 30, 2025 |
| 11 | STATE STREET CORP | 93751 | 425.25K | 5.53M | Mar 31, 2026 |
| 12 | SILVERCREST ASSET MANAGEMENT GROUP LLC | 1232395 | 416.51K | 5.42M | Mar 31, 2026 |
| 13 | WOLVERINE TRADING, LLC | 927337 | 402.67K | 7.45M | Sep 30, 2025 |
| 14 | CITADEL ADVISORS LLC | 1423053 | 379.50K | 4.94M | Mar 31, 2026 |
| 15 | MILLENNIUM MANAGEMENT LLC | 1273087 | 370.38K | 4.82M | Mar 31, 2026 |
| 16 | LPL FINANCIAL LLC | 1403438 | 342.85K | 4.46M | Mar 31, 2026 |
| 17 | MARSHALL WACE, LLP | 1318757 | 324.96K | 4.23M | Mar 31, 2026 |
| 18 | RAYMOND JAMES FINANCIAL INC | 720005 | 307.39K | 8.86M | Jun 30, 2025 |
| 19 | JUMP FINANCIAL, LLC | 1831577 | 235.91K | 6.80M | Jun 30, 2025 |
| 20 | ROCKEFELLER CAPITAL MANAGEMENT L.P. | 1739439 | 216.88K | 2.82M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.