AB Core Bond ETF
$28.32+0.1%
+$129.4M
Net Activity
+13.68% total shares
Institutions Holding
5
Popularity Rank
#11887
Avg Weight
0.07%
Total Value
$1.1B
5 institutions currently hold CORB, with 4 net buyers and 0 net sellers this quarter.
Institutional Moves (Q2 2026)
Significantly Increased
Based on recent trading activity
Net Selling Institutions
0
Net Buying Institutions
4
Top 5 by Value
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Across its top 5 institutional holders, CORB's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 8/100, avg. turnover score 33/100).
CORB ranks #11887 out of 37696 tracked stocks by institutional interest, inside the more closely watched half of our coverage.
CORB is a disclosed holding of Jane Street (Jane Street Group), one of the tracked superinvestors on AlphaSMO — it makes up 0.0% of that fund's own 13F portfolio.
5 institutions disclose a position in CORB, but none treat it as a major bet — even Alliancebernstein L.p., its most concentrated holder, allocates just 0.3% of its own portfolio to it.
Alliancebernstein L.p. has added to its CORB position for two straight quarters, increasing it by $208.2M to reach $1.1B today.
CORB is up 0.1% today, and institutions have been net buyers of $129.4M this quarter — today's price move and the underlying institutional flow are pointing the same direction.
+$129.4M
Total Buy Value
$0.0
Total Sell Value
4
Net Buyers
0
Net Sellers
CORB
Q2 2026
Top 5 Institutional Movers
+$120.7M
+$1.4M
+$329.1K
-$1.2K
+$680.0
CORB does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-06-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
No Form 144 planned sale filings in the last 90 days
No Schedule 13D/13G filings for this ticker
No Form 8-K filings for this ticker
00039J756
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,284
Total reported value
$2.2T
3256 13F institutions increased their position this quarter
Institutions Holding
6,031
Total reported value
$3.6T
3055 13F institutions increased their position this quarter
Institutions Holding
6,194
Total reported value
$1.8T
2996 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
4,138
Total reported value
$713.3B
Held by 4138 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,117
Total reported value
$390.3B
Held by 4117 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,092
Total reported value
$377.7B
Held by 4092 institutions — one of the most-tracked stocks on AlphaSMO
Access CORB's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/CORBCLI
npx alphasmo stocks get CORB