INNOSPEC INC. — Institutional Ownership

Which tracked institutions hold IOSP, and how they changed the position last quarter. Latest holdings as of Mar 31, 2026. Source: SEC 13-F filings.

23
Funds holding
$513955433
Total value held
Buying
16 added/new · 7 reduced
# Institution Value Shares Δ Shares Change (QoQ)
1 Blackrock, Inc. $283242788 3878975 +216652 +5.92%
2 State Street Corp $70415742 964335 +15297 +1.61%
3 Goldman Sachs Group Inc $35926615 492011 +7043 +1.45%
4 Bank Of America Corp /De/ $21231733 290766 -31592 -9.80%
5 Northern Trust Corp $20755133 284239 +9550 +3.48%
6 Morgan Stanley $17201436 235571 -7964 -3.27%
7 Sei Investments Co $12714498 174121 NEW BUY
8 Janus Henderson Group Plc $9732040 133272 NEW BUY
9 Bank Of New York Mellon Corp $9586837 131291 -6537 -4.74%
10 Principal Financial Group Inc $8797230 120477 +2370 +2.01%
11 Invesco Ltd. $8009069 104639 +23794 +29.43%
12 Ameriprise Financial Inc $4128185 56535 -3752 -6.22%
13 Wells Fargo & Company/Mn $2685828 35091 +1200 +3.54%
14 Franklin Resources Inc $2445075 33485 +4974 +17.45%
15 Prudential Financial Inc $1845142 25269 +1805 +7.69%
16 Barclays Plc $1547221 21189 NEW BUY
17 Citigroup Inc $1355753 17713 -4538 -20.39%
18 Raymond James Financial Inc $1278943 17515 NEW BUY
19 Fifth Third Bancorp $911467 12482 +12251 +5303.46%
20 Pnc Financial Services Group, Inc. $78789 1079 -1282 -54.30%
21 Royal Bank Of Canada $55000 745 NEW BUY
22 Us Bancorp \De\ $9858 135 -90 -40.00%
23 Amalgamated Financial Corp. $1051 11356 NEW BUY

Aggregated across tracked institutional filers. Reported quarterly on SEC Form 13-F and may lag. For research only — not investment advice.