Morgan Stanley Institutional Investment Advisors LLC

Bank broker Mechanical CIK 2026079
Long book
$1.04B
Q1 2026
Positions
5
Top-10 weight
100%
concentration
Last quarter
+7.6%
SPY +14.8%
Turnover
0%
of book per quarter

Strategy in plain words

auto-generated from filings

Morgan Stanley Institutional Investment Advisors LLC is a bank/brokerage whose filings mix client and house positions, running a $1.04B US long book across 5 positions.

The portfolio is extremely concentrated — the top 10 positions are almost the whole book. The book barely moves quarter to quarter — a patient, low-turnover holder. Current anchor positions: ENBRIDGE INC, WASTE MANAGEMENT INC, NATIONAL HEALTHCARE CORP, OCEANEERING INTL INC, NATL HEALTH INVESTORS INC.

Over the last 8 quarters its long book ran on average 2.1pp per quarter ahead of the S&P 500, beating the index in 3 of 8 quarters. Its holdings are mechanical (indexing / client flows), so position changes carry no stock-picking signal.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q2 2024
+16.1%
Q3 2024
+1.6%
Q4 2024
+2.3%
Q1 2025
+5.9%
Q2 2025
+5.7%
Q3 2025
-1.0%
Q4 2025
+14.8%
Q1 2026
+7.6%

Sector allocation

Energy
51%
Utilities
33%
Healthcare
16%

Long book by quarter

$312.3M
Q2 2024
$445.1M
Q3 2024
$436.8M
Q4 2024
$426.2M
Q1 2025
$808.4M
Q2 2025
$832.0M
Q3 2025
$946.0M
Q4 2025
$1.04B
Q1 2026

What does Morgan Stanley own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
ENB ENBRIDGE INCEnergy7.4M$402.6M38.8%-2.7%
WM WASTE MANAGEMENT INCUtilities1.5M$339.9M32.8%-3.7%
NHC NATIONAL HEALTHCARE CORPHealthcare1.0M$165.9M16.0%0.0%
OII OCEANEERING INTL INCEnergy3.5M$122.5M11.8%-12.5%

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 14, 20265$1.04B canonicalSEC ↗
Q4 202513F-HRFeb 13, 20265$946.0M canonicalSEC ↗
Q3 202513F-HRNov 13, 20253$832.0M canonicalSEC ↗
Q2 202513F-HRAug 14, 20253$808.4M canonicalSEC ↗
Q1 202513F-HRMay 14, 20253$426.2M canonicalSEC ↗
Q4 202413F-HRFeb 13, 20253$436.8M canonicalSEC ↗
Q3 202413F-HRNov 12, 20243$445.1M canonicalSEC ↗
Q2 202413F-HRAug 12, 20242$312.3M canonicalSEC ↗