Position in FLS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$14,413,473
-$33,463,930 QoQ
Shares Held
196,075
-71.6% QoQ
Ownership
0.153%
of shares outstanding
% of Portfolio
0.21%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2020
8 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 100.ToString("F0")%
None 0.ToString("F0")%
Common Shares in FLS Over Time
Shares Held
Position Value (USD)
Derivatives in FLS
reported options exposure · as of Sep 30, 2025CallValue
$13,816,400
CallShares
260,000
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Specialty Industrial Machinery
Industrials · as of Mar 31, 2026CAPSTONE INVESTMENT ADVISORS, LLC holds $59,933,329 across 18 Specialty Industrial Machinery names. FLS ranks #2 (24.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GTLS |
Chart Industries Inc
|
163,000 | $33,700,250 | |
| 2 | FLS |
Flowserve Corp
This page
|
196,075 | $14,413,473 | |
| 3 | GEV |
GE Vernova Inc.
|
3,545 | $3,094,430 | |
| 4 | CMI |
Cummins Inc
|
2,648 | $1,424,676 | |
| 5 | MIR |
Mirion Technologies, Inc.
|
75,700 | $1,407,263 | |
| 6 | AME |
Ametek Inc/
|
4,374 | $937,610 | |
| 7 | XYL |
Xylem Inc.
|
6,516 | $778,662 | |
| 8 | SMR |
NUSCALE POWER Corp
|
60,407 | $654,811 |
All Filings in FLS
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11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $14,413,473 | 196,075 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $47,877,403 | 690,075 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $41,045,229 | 772,398 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $13,816,400 | 260,000 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $8,372,806 | 159,939 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $15,155,784 | 310,315 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $5,873,654 | 102,115 | Shares | Sole | 2025-02-14 | |
| 2020-12-31 | $637,505 | 17,300 | Put | Sole | 2021-06-21 | |
| 2020-12-31 | $51,590 | 1,400 | Call | Sole | 2021-06-21 | |
| 2020-09-30 | $379,331 | 13,900 | Put | Sole | 2021-06-21 | |
| 2020-09-30 | $32,748 | 1,200 | Call | Sole | 2021-06-21 | |
| No filing history on record for this holder in this stock. | ||||||