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Morgan Stanley Institutional Investment Advisors LLC

Location
GREENWOOD VILLAGE, CO
Portfolio Value
Mid $1,070,599,309
Diversification
Highly concentrated
Filing Date
Global Rank
#2,310 / 8,807 ▼ 269
Top Industry
Oil & Gas Midstream 37.4%
3Y Alpha vs SPY
-3.0%
Period ended 4 months ago
Filed Aug 13, 2026 · 2mo
9 quarters · since Jun 2024

Regulatory profile

From Form ADV, the SEC filer profile, 13D/13G type codes and N-CEN, never from the name.

Holder type
Unknown
Continues the 13F reports of
Cook Street Consulting, Inc. from Jun 30, 2024

Portfolio style

Measured from the filed 13F common-share book for Jun 30, 2026, never from the firm's own description.

Style
Concentrated
The top 10 positions are 100.0% of the book (60%+)
Turnover
Low turnover
1.8% over the last four quarters (under 30%)
Horizon
Medium horizon
Value-weighted holding period 6.9 quarters (4 to under 12)

Closest benchmark: the S&P SmallCap 600 as of 2026-06-30, active share 99.4%; sector active share 76.6% against the combined 13F book's sector weights.

Over time 9 measured quarters

How the bands are measured

Style bands measure the filed 13F common-share book each closed quarter, tested in this order. Unknown: under $10,000,000 of valued equity or 5 stocks. Index-like (100+ stocks): active share of 20% or less against the closest benchmark, which is the S&P 500, S&P MidCap 400, S&P SmallCap 600, Russell 1000, Russell 2000, Nasdaq-100 or Dow Jones Industrial Average (weighted by an index-tracking fund's reported holdings or the index's constituents nearest the quarter end, over the names resolved to companies, and only when those are 90%+ of its weight) or every 13F filer's combined book, or index series holding 80%+ of the registered fund assets it advises (N-CEN) and equal to 50%+ of its book. Systematic-like: 500+ stocks, 100%+ annual turnover and a top 10 weight of 25% or less. Concentrated: a top 10 weight of 60%+ or 12 or fewer effective positions. Diversified active: none of these. Turnover is the smaller of buys and sells over average equity value, summed over four quarters: low under 30%, high 100%+. Horizon is the value-weighted number of quarters each position has been held: short under 4, long 12+.

Clone Performance

Build a hypothetical price-return history from this filer's public 13F holdings.

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Portfolio Concentration

5 tracked positions · as of Jun 30, 2026 · Δ vs Mar 31, 2026
Top Position
37.4%
−1.4 pts
Top 5
100.0%
0.0 pts
Top 10
100.0%
0.0 pts
HHI
2,854
Jun 2024 → Jun 2026 · range 2,854 – 10,000
Highly concentrated−123

Portfolio Trend

9 quarters · across all stocks

Sector Breakdown

As of Jun 30, 2026
Sector % Portfolio Value
Energy 49.0% $524,785,840
Industrials 30.1% $322,479,277
Healthcare 20.3% $217,390,946
Real Estate 0.6% $5,943,246

Last Quarter's Activity

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Jun 30, 2026 vs Mar 31, 2026

Added To

Positions the filer increased
1 positions
Ticker Δ Shares Shares Value Open

Trimmed

Positions the filer reduced
4 positions
Ticker Δ Shares Shares Value Open

New Positions

Positions the filer opened this quarter
No qualifying positions this quarter.

Sold Out

Positions the filer fully exited
No qualifying positions this quarter.

Portfolio Positions

Export CSV View 13F filing
5 tracked positions · $1,070,599,309 total · filing declares 5 positions · $1,070,599,282 · as of Jun 30, 2026
Ticker Company Shares Value (USD) % of Portfolio History

Covers the securities this platform tracks: U.S.-listed common stock and the put/call positions reported on it. A 13F can also report security types outside that coverage — preferred shares, bonds, warrants, untracked share classes — so the filing's own declared total can exceed the figures above. The source filing is linked at the top of this table.